{"title":"Allen-Bradley PLC-5 System","description":"\u003cp\u003eThe Allen-Bradley PLC-5 System is a legendary legacy platform that served as the industry standard for decades. Its architecture is based on the 1771- universal I\/O chassis and 1785- processors, supporting large-scale distributed control via Remote I\/O and Data Highway Plus. Technical characteristics include a robust, all-metal hardware design and extensive diagnostic capabilities for high-availability environments. Functionally, PLC-5 manages high-density discrete and complex analog process signals in automotive and steel mills. While users often transition to \u003ca href=\"https:\/\/www.plcprotech.com\/collections\/allen-bradley-controllogix\"\u003eControlLogix\u003c\/a\u003e, maintaining PLC-5 systems requires high-quality 1771 and 1785 spare parts to ensure the longevity of critical legacy control loops.\u003c\/p\u003e","products":[{"product_id":"allen-bradley-1785-bcm-plc-5-backup-communication-module","title":"Allen-Bradley 1785-BCM PLC-5 Backup Communication Module","description":"\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-936\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-936\"\u003e1785-BCM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-936\"\u003e functions as a high-reliability hardware hot-backup module within the classic Allen-Bradley PLC-5 system architecture, officially designated as the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-936\"\u003ePLC-5 Backup Communication Module\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-936 citation-end-936\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-935\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEngineered to provide high-availability system redundancy, it coordinates the synchronization of a dual-processor environment to prevent costly automation shutdown in continuous operations\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-935 citation-end-935\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-934\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOperating in primary\/secondary pairs across twin local chassis, it tracks system health and handles the immediate, automatic takeover of field communications if a system failure occurs\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-934 citation-end-934\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eRedundancy Architecture and Operating Topology\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-933\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-933\"\u003eThe 1785-BCM establishes a hardware hot-backup network by cross-linking an active \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-933\"\u003ePrimary System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-933\"\u003e (which actively controls remote I\/O and process equipment) to a synchronized \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-933\"\u003eSecondary System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-933\"\u003e (held in a high-readiness standby state)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-933 citation-end-933\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe system provides complete data alignment and immediate network recovery across three core communication mechanisms:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-932\"\u003eHigh-Speed Serial Link (HSSL):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-932\"\u003e A dedicated inter-chassis differential communication pathway connected directly between the primary and secondary 1785-BCM modules\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-932 citation-end-932\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-931\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eRunning at a high-speed rate of 1.2 Megabits on Series B hardware (compared to 115 kbaud on legacy Series A units), the HSSL transmits remote input data, internal logic status, and user-defined data tables\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-931 citation-end-931\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-930\"\u003eSmart Switch Remote I\/O Interface:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-930\"\u003e During standard runtime, the secondary processor is physically isolated from the field wiring but continues polling its local 1785-BCM\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-930 citation-end-930\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-929\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis module's integrated \"Smart Switch\" mimics real field nodes by populating the secondary processor's input image table with real-time data received across the HSSL\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-929 citation-end-929\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-928\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis architecture keeps the standby processor's logic memory completely identical to the primary unit\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-928 citation-end-928\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-927\"\u003eBumpless Switchover Execution:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-927\"\u003e If the primary system experiences a power failure, a processor fault, a local 1785-BCM hardware error, or an intentional keyswitch mode change (e.g., from RUN to PROGRAM), a switchover is triggered\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-927 citation-end-927\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-926\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eHigh-speed internal isolation relays on the primary module snap open, and matching relays on the standby module close\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-926 citation-end-926\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-925\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-925\"\u003eControl of the Remote I\/O and Data Highway Plus networks transfers to the secondary processor in \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-925\"\u003eless than 50 milliseconds\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-925\"\u003e, keeping field outputs stable in their last state during the brief transition window\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-925 citation-end-925\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter Metric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFactory Manual Specification Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Catalog Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-924\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1785-BCM\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-924 citation-end-924\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-923\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-923 citation-end-923\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy System Class\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-922\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003ePLC-5 Hot-Backup Core Communication Engine\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-922 citation-end-922\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-921\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1.8 A maximum @ 5V DC\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-921 citation-end-921\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-920\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e9.0 Watts maximum\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-920 citation-end-920\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eThermal Load Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-919\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e30.7 BTU\/hour\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-919 citation-end-919\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHSSL Transmission Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-918\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e1.2 Mbps (Series B) \/ 115 kbaud (Series A)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-918 citation-end-918\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Communication Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-917\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e2 Configurable Channels (Channel 1A \u0026amp; Channel 1B)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-917 citation-end-917\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported Channel Networks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-916\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eData Highway Plus (DH+) and Universal Remote I\/O (RIO)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-916 citation-end-916\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Switchover Window\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e$\\le$\u003c\/span\u003e\u003cspan class=\"citation-915\"\u003e 50 milliseconds maximum\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-915 citation-end-915\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLocal Data Buffer Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-914\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e4K Words for data table values\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-914 citation-end-914\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Inter-Chassis Link Span\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-913\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eUp to 152 meters (500 feet) utilizing 1770-CD line media\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-913 citation-end-913\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Enclosure Profile\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-912\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOpen-style structural module housing\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-912 citation-end-912\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChassis Slot Allocation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-911\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOccupies 1 Standard 1771 Universal I\/O Slot\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-911 citation-end-911\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-910\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e0 to 60 °C (32 to 140 °F)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-910 citation-end-910\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temperature Limits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-909\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e-40 to 85 °C (-40 to 185 °F)\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-909 citation-end-909\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelative Humidity Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-908\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e5 to 95% non-condensing\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-908 citation-end-908\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eSystem Compatibility and the 1785-BEM Expansion Module\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-907\"\u003eProcessor Compatibility Matrix:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-907\"\u003e The 1785-BCM Series B (Revision C or later) supports an extensive range of PLC-5 platforms, including the PLC-5\/11, -5\/15, -5\/20, -5\/25, -5\/30, -5\/40, -5\/60, and PLC-5\/80\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-907 citation-end-907\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-906\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eLegacy Series A modules are restricted strictly to older PLC-5\/15 and PLC-5\/25 processors\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-906 citation-end-906\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-905\"\u003e1785-BEM Backup Extension Module:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-905\"\u003e While the base 1785-BCM handles up to two on-board channels (Channels 1A and 1B), high-tier processors like the PLC-5\/40 and PLC-5\/60 support four communication channels\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-905 citation-end-905\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-904\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-904\"\u003eTo protect these extra ports, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-904\"\u003e1785-BEM Backup Extension Module\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-904\"\u003e must be installed adjacent to the BCM in the local rack\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-904 citation-end-904\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-903\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe 1785-BEM interfaces with the primary module across a local secondary backplane bus, expanding switching capacity to encompass Channels 2A and 2B\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-903 citation-end-903\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCan I use a 1785-BCM Series B module together with an older Series A module?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-902\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-902 citation-end-902\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-901\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe Series B module retains backwards compatibility and can be paired with an existing Series A unit\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-901 citation-end-901\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-900\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eTo enable this legacy mode, you must explicitly set the physical configuration switches on Switch Assembly SW1 and SW2 on the side and bottom of the Series B module\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-900 citation-end-900\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-899\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIf these match properties are omitted, the module status LEDs will flash an error code\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-899 citation-end-899\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCan standard local industrial I\/O modules be installed alongside the 1785-BCM?\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-898\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-898 citation-end-898\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-897\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThe PLC-5 backup system is designed to switch and protect remote I\/O networks; it cannot back up local I\/O modules placed directly in the processor's main rack\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-897 citation-end-897\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-896\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eTo protect the process against disruptions, all control instrumentation must reside in remote I\/O chassis, leaving the local chassis reserved strictly for the twin power supplies, processors, 1785-BCM, and optional 1785-BEM components\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-896 citation-end-896\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWhat is the \"Fast Data Transfer\" mode on the 1785-BCM Series B module?\u003c\/strong\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan class=\"citation-895\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eIn standard synchronous operations, when block-transfer write (BTW) and read (BTR) instructions mirror user data tables across the HSSL, the secondary processor waits until an entire multi-block data segment is successfully received before making it available\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-895 citation-end-895\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-894\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eEnabling \"Fast Data Transfer\" mode via Switch 2 on Switch Assembly SW1 allows the secondary module to instantly release individual blocks to the standby processor as they arrive\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-894 citation-end-894\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-893\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis shortens data table synchronization times significantly, dropping a 16-block (992 word) transfer time down from ~400–1000 ms to a fast 180–260 ms window\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-893 citation-end-893\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning and Network Wiring Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-892\"\u003eTrunk Shield Isolation:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-892\"\u003e Link the communication networks between the primary and standby chassis with high-grade 1770-CD \"Blue Hose\" shielded twisted-pair cabling\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-892 citation-end-892\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-891\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-891\"\u003eThe copper shield drain wire must remain continuous across all intermediate connections and be firmly bonded to the main enclosure earth ground bus bar at \u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"citation-891\"\u003eonly one physical end\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-891\"\u003e of the network loop\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-891 citation-end-891\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-890\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eGrounding the shield at multiple spots creates ground loop noise that corrupts high-speed data transmission\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-890 citation-end-890\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-889\"\u003eAsynchronous Block Transfer Logic:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-889\"\u003e Because data table mirroring transfers operate asynchronously to the ladder program scan, process engineers should always use the instruction Done bit (\u003c\/span\u003e\u003ccode\u003e\u003cspan class=\"citation-889\"\u003eDN\u003c\/span\u003e\u003c\/code\u003e\u003cspan class=\"citation-889\"\u003e) of the primary BTR or BTW command as part of the interlocking execution logic\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-889 citation-end-889\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-888\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eThis practice ensures that intermediate or corrupt values are not transmitted to the standby system if the primary controller experiences a failure mid-scan\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-888 citation-end-888\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003cstrong\u003e\u003cspan class=\"citation-887\"\u003eHazardous Isolation Protocol:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"citation-887\"\u003e The 1785-BCM is designed to permit live inspection and replacement of a faulted standby module without disrupting the online primary processor\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-887 citation-end-887\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e. \u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-886\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eHowever, if the hardware assembly is deployed in hazardous industrial zones (Class I Division 2 explosive atmospheres), you must entirely de-energize the enclosure power lines or confirm the area is completely non-hazardous before extracting modules or unseating any field wiring arms to prevent electric arc-flash ignition risks\u003c\/span\u003e\u003cspan\u003e\u003cspan class=\"citation-886 citation-end-886\"\u003e\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003c\/h3\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172317547,"sku":"1785-BCM","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-bcm-backup-communication-module-xext10wp5l3_976809d2-ee8f-4f3d-991f-7120aabf018e.jpg?v=1766114083"},{"product_id":"allen-bradley-1771-ib-1771-8-point-digital-input-module","title":"Allen-Bradley 1771-IB 1771 8 Point Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley \u003cstrong\u003e1771-IB\u003c\/strong\u003e is a discrete hardware component operating within the \u003cstrong\u003e1771\u003c\/strong\u003e platform to interface field status inputs with a centralized processor. This device reads dual-state signals from external electrical paths, managing a density of up to 8 channels over an operating input range of 10-27V DC. This input module is fully compatible with standard 2-wire and 3-wire automation components including DC proximity switches, photoelectric sensors, pushbuttons, limit switches, float switches, and selector switches. To ensure signal clarity under harsh environments, it incorporates built-in filtering mechanisms that limit electrical fluctuations before they reach the controller logic.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated input filtering logic circuit to mitigate voltage transients caused by contact bounce and radiated electrical noise.\u003c\/li\u003e\n\u003cli\u003eNative backend connectivity matching standard 1771 I\/O chassis backplane lines for power distribution.\u003c\/li\u003e\n\u003cli\u003eFull structural operational compatibility across both two-wire and three-wire control path field devices.\u003c\/li\u003e\n\u003cli\u003eShipped in specialized protective static-shielded packaging to minimize standard handling damage from electrostatic discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInterfacing discrete industrial machinery status loops with main automation units.\u003c\/li\u003e\n\u003cli\u003eIndustrial sensor network synchronization using proximity or photoelectric arrays.\u003c\/li\u003e\n\u003cli\u003eMachine tool tracking and safety interlocking layouts using pushbuttons and limit switches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003ePerformance and Electrical Specifications\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1771-IB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e662468205474\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eMexico\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDC (12-24V) Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e10-27V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Requirement\u003c\/td\u003e\n\u003ctd\u003e74mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Off-State Leakage Current\u003c\/td\u003e\n\u003ctd\u003e3mA (for 3-wire devices)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Filter Delay (Turn-On)\u003c\/td\u003e\n\u003ctd\u003e12 + 7 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Filter Delay (Turn-Off)\u003c\/td\u003e\n\u003ctd\u003e20 + 7 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower down the chassis layout before executing any attachment or disassembly of modular hardware components.\u003c\/li\u003e\n\u003cli\u003eCarefully align the device along the plastic chassis card guides during initial slot placement.\u003c\/li\u003e\n\u003cli\u003eSum the total current draws of all combined cards to ensure the aggregate loop does not exceed the rated output capacity of the backplane power supply.\u003c\/li\u003e\n\u003cli\u003eKeep the component sealed inside its static-shielded bag until immediately before physical insertion to avoid electrostatic discharge damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the off-state leakage current profile from any integrated 3-wire sensing hardware remains below 3mA.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695172940139,"sku":"1771-IB","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1771-ib-digital-input-module-mgg10fyvtie_bd155a3c-4278-4789-a2e4-10ce406533ea.jpg?v=1766114110"},{"product_id":"allen-bradley-1771-p5-plc-5-power-supply-module","title":"Allen-Bradley 1771-P5 PLC-5 Power Supply Module","description":"\u003cp data-path-to-node=\"1\"\u003eThe \u003cb data-path-to-node=\"1\" data-index-in-node=\"4\"\u003e1771-P5\u003c\/b\u003e is a chassis-mounted power supply module engineered within the 1771 product line to deliver regulated DC operating power directly to the backplane of standard industrial control chassis. This hardware component functions by accepting a nominal 24V DC input source and converting it to the clean, stabilized current levels required by processor units and adjacent input\/output instrumentation. The \u003cb data-path-to-node=\"1\" data-index-in-node=\"409\"\u003e1771-P5\u003c\/b\u003e configuration features built-in electrical protection mechanisms alongside clear structural diagnostics to ensure consistent power distribution in highly integrated automation environments.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003eSlotted chassis design that mounts directly into standard 1771 universal I\/O backplanes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003eConfigured with a dedicated front-accessible green LED indicator verifying stable output status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003eBuilt-in dynamic overvoltage protection circuit preventing damage from incoming electrical transients\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003eIntegrated fuse architecture positioned internally to safeguard system backplane paths\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"4\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003ePower infrastructure for local and distributed 1771 chassis networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003eRegulated power sourcing for multi-slot logic processing arrays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003eIndustrial automation enclosures utilizing direct 24V DC input feeds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"7\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,0,0\"\u003e\u003cb data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\"\u003eManufacturer\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,1,1,0\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,0,0\"\u003e\u003cb data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\"\u003ePart Number \/ Model\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,2,1,0\"\u003e1771-P5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,0,0\"\u003e\u003cb data-path-to-node=\"7,3,0,0\" data-index-in-node=\"0\"\u003eProduct Line\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,3,1,0\"\u003e1771 Universal I\/O chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,0,0\"\u003e\u003cb data-path-to-node=\"7,4,0,0\" data-index-in-node=\"0\"\u003eModule Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,4,1,0\"\u003ePower Supply Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,0,0\"\u003e\u003cb data-path-to-node=\"7,5,0,0\" data-index-in-node=\"0\"\u003eInput Voltage Range\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,5,1,0\"\u003e20.5 to 30.0V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,6,0,0\"\u003e\u003cb data-path-to-node=\"7,6,0,0\" data-index-in-node=\"0\"\u003eNominal Input Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,6,1,0\"\u003e24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,7,0,0\"\u003e\u003cb data-path-to-node=\"7,7,0,0\" data-index-in-node=\"0\"\u003eOutput Current Load\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,7,1,0\"\u003e8.0 Amps at 5.06V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,8,0,0\"\u003e\u003cb data-path-to-node=\"7,8,0,0\" data-index-in-node=\"0\"\u003eBackplane Current Capacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,8,1,0\"\u003e8.0 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,9,0,0\"\u003e\u003cb data-path-to-node=\"7,9,0,0\" data-index-in-node=\"0\"\u003eOvervoltage Protection\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,9,1,0\"\u003eShuts down at 6.3V DC (nominal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,10,0,0\"\u003e\u003cb data-path-to-node=\"7,10,0,0\" data-index-in-node=\"0\"\u003eStatus Indicators\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,10,1,0\"\u003eGreen LED (Output Normal)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,11,0,0\"\u003e\u003cb data-path-to-node=\"7,11,0,0\" data-index-in-node=\"0\"\u003eInternal Protection\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"7,11,1,0\"\u003eFused Input Circuitry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"8\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eChassis Alignment:\u003c\/b\u003e Secure the power supply module into the leftmost assigned slot position of the 1771 I\/O chassis framework to guarantee correct backplane terminal configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eElectrical Termination:\u003c\/b\u003e Ensure all 24V DC wiring lines are isolated from active power sources before executing connections onto the front terminal strip assembly to eliminate current arcing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cb data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eOvercurrent Maintenance:\u003c\/b\u003e Always verify the replacement fuse specs completely align with factory specifications before restoring active power paths following an electrical overload trip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb data-path-to-node=\"9,3,0\" data-index-in-node=\"0\"\u003eVentilation Matrix:\u003c\/b\u003e Ensure top and bottom chassis air paths remain unobstructed to handle baseline heat dispersal during full-load power output distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695177298283,"sku":"1771-P5","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1771-p5-24v-dc-power-supply-tukionbk2bl_c70d6f20-0638-4d2d-9f17-3c580a602ae9.jpg?v=1766114156"},{"product_id":"allen-bradley-1785-v40l-plc-5-vme-processor-module","title":"Allen-Bradley 1785-V40L PLC-5\/VME Processor Module","description":"\u003cp\u003eThe \u003cstrong\u003e1785-V40L\u003c\/strong\u003e is a PLC-5\/VME processor module designed to facilitate advanced, high-density industrial control within automated manufacturing and production setups. Operating within the dependable \u003cstrong\u003ePLC 5\u003c\/strong\u003e product line, this module combines the proven execution capabilities of industrial programmable controllers with direct integration into host backplane architectures. The \u003cstrong\u003e1785-V40L\u003c\/strong\u003e provides substantial user memory capacity and rapid program scan metrics, making it well-suited for controlling large numbers of local and remote I\/O chassis while executing intricate bit logic routines.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with 48,000 words of dedicated user memory to comfortably support large application codebases and data table allocations\u003c\/li\u003e\n\u003cli\u003eHigh-performance processing speeds featuring a scan rate of 0.5 milliseconds per 1,000 words for bit logic operations\u003c\/li\u003e\n\u003cli\u003eBroad system scaling capabilities accommodating up to 15 physical I\/O racks and a total capacity of 1920 mixed inputs and outputs\u003c\/li\u003e\n\u003cli\u003eFlexible distributed networking capabilities with support for up to 16 extended local I\/O chassis and up to 60 remote I\/O chassis\u003c\/li\u003e\n\u003cli\u003eConfigurable field communication interface providing multiple Data Highway Plus (DH+) or Remote I\/O (RIO) networking selections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-density digital and analog factory automation systems\u003c\/li\u003e\n\u003cli\u003eMulti-chassis remote distributed control networks\u003c\/li\u003e\n\u003cli\u003eLarge-scale data acquisition and sequence processing\u003c\/li\u003e\n\u003cli\u003eModernization or integration of legacy embedded plant computing systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-V40L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProcessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum User Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48,000 Words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgram Scan Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 milliseconds per 1,000 words (bit logic) \/ 2 milliseconds per 1,000 words (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-232 Serial Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Rack Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 Racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtended-Local I\/O Port Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Total I\/O (Any Mix)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1920\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Total Complementary I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1920 Inputs and 1920 Outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Analog I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1920\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRIO Transmission Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57.6 kilobits per second, 115.2 kilobits per second, and 230 kilobits per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of DH+ or Remote I\/O Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Number of Extended Local I\/O Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Number of Remote I\/O Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.9 Amperes (Typical) \/ 3.5 Amperes (Maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.00 lbs (1.36 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Allocation:\u003c\/strong\u003e Verify that the system backplane power source can sustain the maximum current load rating of 3.5 Amperes before turning on the device.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Termination:\u003c\/strong\u003e For Remote I\/O (RIO) networks running at 57.6 kbps, 115.2 kbps, or 230 kbps, install matching termination resistors at the ends of the physical lines to maintain clean communication signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Grounding:\u003c\/strong\u003e Maintain a direct, solid connection to a low-impedance common earth ground across the entire enclosure assembly to protect logic components against electronic noise and electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Arrange internal system wiring and keep ventilation tracks unobstructed to dissipate thermal energy effectively when the processor runs under dense typical current conditions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695177888107,"sku":"1785-V40L","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-v40l-vmebus-programmable-controllers-1gsfdij5o05_b9df0925-e08e-43f2-b3aa-69410bbbf9d8.jpg?v=1766114185"},{"product_id":"allen-bradley-1771-ow-1771-selectable-contact-output-module","title":"Allen-Bradley 1771-OW 1771 Selectable Contact Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1771-OW\u003c\/strong\u003e is a selectable contact output hardware module designed for integration within a 1771 I\/O chassis. Functioning as a specialized switching unit, the device provides 8 outputs arranged into 4 isolated groups of 2, with each distinct group configured around its own independent common connection. Every individual output pathway is electrically isolated from the internal module logic circuitry, enabling the system to simultaneously drive separate external loads up to a maximum continuous current of 1.0A per output at rated power. Because the hardware does not contain built-in surge limiting circuitry, the \u003cstrong\u003e1771-OW\u003c\/strong\u003e must be utilized for switching resistive loads only, and it is not recommended for inductive or capacitive load setups. Logic control processing and internal relay coil energization paths are fully powered directly through the backplane of the host I\/O chassis enclosure.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndividually selectable output jumper configurations allowing each point to be customized for normally-open (N.O.) or normally-closed (N.C.) operation.\u003c\/li\u003e\n\u003cli\u003eFour isolated circuit groupings containing two output lines per group to support multi-common wiring distribution.\u003c\/li\u003e\n\u003cli\u003eElectrical isolation barriers separating field-side output contact switching loops from local backplane logic components.\u003c\/li\u003e\n\u003cli\u003eFront-mounted diagnostic array consisting of 8 status indicators that illuminate when their corresponding output relay coils are energized.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDedicated switching of resistive control loops in factory production environments.\u003c\/li\u003e\n\u003cli\u003eDry contact interface routing to external input modules or low-current logic devices.\u003c\/li\u003e\n\u003cli\u003eDistributed automation control via multi-group contact isolation setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771-OW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelectable Contact Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs per Module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 (4 groups of 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771 I\/O chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24-138V ac RMS, 24-125V dc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A per output (maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A maximum per output (at rated power)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003edc: 30W per output (resistive), ac (suppressed): 30W per output (resistive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Contact Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003edc: 10mA @ 24V, ac: 10mA @ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperate\/Release Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBounce Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1ms maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSwitching Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10Hz maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7 Watts (max.): 3.3 Watts (min.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.6 BTU\/hr (max.): 11.3 BTU\/hr (min.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e700mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConductors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 gauge stranded maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWire Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3\/64 inch insulation maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 to 95% (without condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eField Wiring Arm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771-WD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring Arm Screw Torque\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-9 inch-pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 0 (Group 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Return Link for Outputs 0 and 1 (Group 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 1 (Group 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 2 (Group 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Return Link for Outputs 2 and 3 (Group 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 3 (Group 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 4 (Group 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Return Link for Outputs 4 and 5 (Group 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 5 (Group 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 6\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 6 (Group 4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommon\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommon Return Link for Outputs 6 and 7 (Group 4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput 7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRelay Contact Output 7 (Group 4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power Safety:\u003c\/strong\u003e Always remove full power from the 1771 I\/O chassis backplane and the connected wiring arm before removing or installing any I\/O hardware to avoid physical injury or unexpected system operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Discharge Protection:\u003c\/strong\u003e Prior to handling the physical circuit board assembly, touch a grounded object to discharge static buildup, and avoid touching the rear backplane connector pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Plastic Keying:\u003c\/strong\u003e Mount plastic keying bands onto the chassis backplane tracking points between positions 6 and 8, and between positions 16 and 18 to lock the chosen slot exclusively for this hardware type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Placement Limits:\u003c\/strong\u003e The module can be installed in any available I\/O chassis slot connector except for the leftmost slot position, which is strictly reserved for adapter or processor modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJumper Configuration Control:\u003c\/strong\u003e To modify factory default normally-open operation, remove the 4 side screws to open the housing covers and manually transition internal jumpers K1, K2, K3, and K4 to their N.C. positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterconnect Cable Length:\u003c\/strong\u003e Restrict total field wiring interconnect runs to a maximum boundary length of 1000 feet (304.8 meters).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParallel Loading Warning:\u003c\/strong\u003e Do not hook up two or more outputs in parallel in an attempt to exceed the continuous 1A power rating, as minor deviations in individual relay response times can cause a single contact to bear the entire load current.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695178772843,"sku":"1771-OW","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1771-ow-selectable-contact-output-module-cobvik3xmnl_dc17db47-761d-4d08-9ae9-47fc0d5f59fe.jpg?v=1766114220"},{"product_id":"allen-bradley-1785-me16-plc-5-eeprom-memory-module","title":"Allen-Bradley 1785-ME16 PLC-5 EEPROM Memory Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1785-ME16\u003c\/strong\u003e is a non-volatile \u003cstrong\u003eEEPROM Memory Module\u003c\/strong\u003e engineered by Rockwell Automation for the PLC-5 programmable controller platform. Serving as a rugged hardware backup device, this module provides 16 Kilowords of independent storage to safeguard controller ladder logic, configuration settings, and structural data table parameters from volatile corruption or accidental erasure. It installs directly into the front expansion slot of standard PLC-5 processors, facilitating rapid manual or automated recovery operations without requiring an active external workstation connection. By preserving user memory images completely independent of the chassis lithium battery state, the \u003cstrong\u003e1785-ME16\u003c\/strong\u003e ensures process retention security and system uptime across continuous manufacturing and process control architectures.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpecialized non-volatile program backup memory purpose-built for the PLC-5 processor family.\u003c\/li\u003e\n\u003cli\u003e16 Kilowords of solid-state EEPROM memory space capable of storing complete machine routines and data structures.\u003c\/li\u003e\n\u003cli\u003eBidirectional software transfer support allowing users to save data from active RAM or restore code back into controller memory.\u003c\/li\u003e\n\u003cli\u003eBattery-independent data retention safeguarding system code images during prolonged plant outages or master supply dropouts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-security archiving and non-volatile program backup for critical factory automation systems.\u003c\/li\u003e\n\u003cli\u003eAutomatic or forced logical recovery during line start-up sequences following an extended maintenance outage.\u003c\/li\u003e\n\u003cli\u003eUniform program replication and distribution across multiple identical processing architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-ME16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMemory Device (EEPROM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 Kilowords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgram Backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.19 lbs (0.09 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Power Isolation:\u003c\/strong\u003e Turn off and isolate all primary electrical supply feeds to the local I\/O chassis and processor housing before inserting or extracting the memory cartridge to protect internal bus circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Configuration Options:\u003c\/strong\u003e Ensure backplane switches and processor settings match your specific recovery mode configurations; a memory hardware mismatch or missing module while expected can initiate minor fault code 82.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Grounding Safety:\u003c\/strong\u003e Carry out all handling steps inside an ESD-protected zone, utilizing a verified grounding wrist strap to eliminate dangerous static charge accumulation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695181951339,"sku":"1785-ME16","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-me16-eeprom-memory-module-karhkp443mc_99e3be6d-0573-43f9-beee-76e5d2ded235.jpg?v=1766114322"},{"product_id":"allen-bradley-1771-ob-plc-5-digital-dc-output-module","title":"Allen-Bradley 1771-OB PLC-5 Digital DC Output Module","description":"\u003cp\u003eThe \u003cstrong\u003e1771-OB\u003c\/strong\u003e is an 8-channel digital solid-state electronic device engineered for the \u003cstrong\u003ePLC-5 \/ 1771 I\/O Platform\u003c\/strong\u003e to drive low-voltage direct current industrial control hardware. It provides electrical switching paths for various field components, including DC motor drivers, status indicators, and industrial solenoid valves. The internal control micro-logic is energized via the local \u003cstrong\u003eI\/O chassis\u003c\/strong\u003e backplane rail, drawing a maximum current of 165 mA to maintain structural optoelectronic isolation between high-level plant field elements and core processor busses. System integration is established through the standard \u003cstrong\u003e1771-WA\u003c\/strong\u003e wiring arm connector assembly, permitting physical hot-swapping or card replacement sequences without disturbing landed field terminal connections.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Output Distribution\u003c\/strong\u003e: Integrates eight independent solid-state DC switching circuits within a single-slot chassis package.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Short-Circuit Protection\u003c\/strong\u003e: Individual 2 A, 8AG protective fuses mounted per channel safeguard the module against severe field overcurrent hazards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual Status Array\u003c\/strong\u003e: Equipped with nine front-panel diagnostic LEDs providing localized visualization of blown-fuse status and specific channel conduction states.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Input Interlocking\u003c\/strong\u003e: Supports zero-potential ground reference looping to directly drive discrete DC input modules, such as the 1771-IB receiver block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptoelectronic Backplane Protection\u003c\/strong\u003e: Incorporates continuous 1500 Vca (rms) galvanic isolation to prevent destructive external voltage transients from damaging backplane control logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Slot Keying\u003c\/strong\u003e: Backplane socket keying fields restrict module slot alignment, ensuring only matched electrical module types sit within defined wiring nests.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDistributed control of factory floor solenoid-actuated pneumatic manifolds.\u003c\/li\u003e\n\u003cli\u003eDirect activation of low-current DC motor speed control enable drives.\u003c\/li\u003e\n\u003cli\u003eRemote instrumentation control panels and pilot lamp illumination matrix lines.\u003c\/li\u003e\n\u003cli\u003eInter-rack logic interlocking with low-voltage input hardware sub-assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771-OB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5 \/ 1771 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital DC Output Driver Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs Per Module\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771 I\/O Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Operational Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Vdc to 27 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.5 A per individual output (not to exceed 8 A total per module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current Surge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 A for 1 ms, repeatable at 1 s intervals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOff-State Leakage Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mA maximum per output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOn-State Voltage Drop\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Vdc maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Transmission Delay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ms (On to Off and Off to On states)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.9 Watts minimum, 16.9 Watts maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.0 BTU\/h minimum, 57.6 BTU\/h maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Logic Current Demand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e165 mA @ 5 Vdc plus\/minus 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptoelectric Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 Vca (rms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 degC to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC to 85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Ambient Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eField Wiring Specifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlexible cable with 1.5 mm2 nominal cross-section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Plastic Keying Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBetween positions 4 and 6, and between positions 18 and 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Fusing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 A, 8AG rating (one individual fuse per output path)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal Connection Block\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771-WA Wiring Arm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Terminal Pin\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+DC Voltage Supply Input Reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 0 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 1 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 2 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 3 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 4 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 5\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 5 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 6\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 6 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal 7\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Output Channel 7 Signal Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTerminal B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC Common Ground Return Reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEngineering Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal to Bit Discrepancy\u003c\/strong\u003e: The terminal channel designations etched on the physical 1771-WA wiring arm hardware do not directly map to software internal image register data bits. Refer strictly to the system allocation table when building control code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotential Equalization\u003c\/strong\u003e: When cross-linking an output channel directly into an input processing unit (such as a 1771-IB), a common power supply loop must feed both blocks to tie all reference grounds to an identical voltage potential.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolarity Critical Warning\u003c\/strong\u003e: Correct structural polarity must be maintained on all direct current power terminals. Applying alternating current (AC) power configurations or cross-wiring polarity rails will result in critical module hardware destruction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power Balancing\u003c\/strong\u003e: The 165 mA backplane current consumption must be calculated into the aggregate power supply capacity budget of the specific 1771 chassis rack to avoid thermal overloading or backplane dip errors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Grounding Procedures\u003c\/strong\u003e: Operators must latch an approved ESD wrist grounding strap to a structural physical ground point or discharge local potentials by touching an earth-grounded steel frame before touching card edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlastic Keying Installation\u003c\/strong\u003e: Ensure the chassis backplane keying pegs are properly seated at the factory positions (between pins 4\/6 and pins 18\/20) to prevent the accidental insertion of mismatched voltage cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis De-energization\u003c\/strong\u003e: Complete chassis rack power downcycles are required prior to sliding the driver module out of its physical slot to protect operators and prevent inductive backplane transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Extraction Protocol\u003c\/strong\u003e: To safely swap a compromised fuse assembly, release the front mechanical swing arm latch, withdraw the board housing, undo the two case retention screws, and replace the spent 2 A, 8AG component inside.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical \u0026amp; Procurement FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What specific fuse replacement specification must be used if a channel drops out?\u003c\/strong\u003e A: Each individual output switch is paired with a standard 2 A, 8AG form-factor fuse accessible underneath the card side cover.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this DC driver module be safely slotted into the leftmost slot of a 1771 chassis?\u003c\/strong\u003e A: No, the far-left slot of the 1771 chassis configuration is structurally reserved for the master processor module or remote I\/O network adapter head.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module display indicators on the front face for individual circuit diagnostics?\u003c\/strong\u003e A: Yes, it features one dedicated red LED for blown fuse notification alongside eight individual red status LEDs that light up when an output channel is actively energized.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695182606699,"sku":"1771-OB","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1771-ob-digital-dc-output-driver-module-3votzyt5u4d_51486138-8d7c-4a78-b921-cc00c9f77c03.jpg?v=1766114346"},{"product_id":"allen-bradley-1785-v40v-plc-5-vme-processor-module","title":"Allen-Bradley 1785-V40V PLC-5 VME Processor Module","description":"\u003cp\u003eThe \u003cstrong\u003e1785-V40V\u003c\/strong\u003e is a VME-based processor module belonging to the PLC-5 series, engineered to bring extensive control capabilities to industrial automation setups. This hardware unit executes critical data transfer applications and supports dual-mode configuration properties, allowing it to function seamlessly as either a master unit or a slave unit within an open-architecture VMEbus framework. By processing substantial input and output arrays across diverse manufacturing systems, the \u003cstrong\u003e1785-V40V\u003c\/strong\u003e manages complex computing sequences while maintaining localized serial interfacing with external peripheral instrumentation.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrates standalone programmable logic processing into standard VMEbus module formats\u003c\/li\u003e\n\u003cli\u003eOperates under flexible system design rules with dual master unit and slave unit runtime configurations\u003c\/li\u003e\n\u003cli\u003eEmploys onboard static random-access memory (SRAM) storage to buffer and track automation logic blocks\u003c\/li\u003e\n\u003cli\u003eSupports deep integration with mixed field instrument networks via balanced digital and analog signal mapping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEmbedded VMEbus chassis process control and instrumentation\u003c\/li\u003e\n\u003cli\u003eHigh-density digital and analog automation infrastructures\u003c\/li\u003e\n\u003cli\u003eMulti-vendor multi-board computer network integration\u003c\/li\u003e\n\u003cli\u003eDedicated master\/slave data transfer arrangements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-V40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProcessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVMEbus Modules Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaster Unit Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlave Unit Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Transfer Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSRAM Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48K Word\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1920 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1920 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Channel RS-232C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Amps at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 40 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.31 lbs (0.60 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Insertion:\u003c\/strong\u003e Guide the hardware along the chassis tracks into the backplane connectors, confirming all terminal connections align perfectly before pushing the front latches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Safety:\u003c\/strong\u003e Ensure the host VMEbus assembly power source is fully turned off during any insertion or removal procedures to protect internal logic circuits from current transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Control:\u003c\/strong\u003e Install the processor exclusively within regulated control enclosures where ambient thermal variables are consistently maintained from 0 to 40 degrees Celsius.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Mitigation:\u003c\/strong\u003e Keep clear air vents around the unit chassis slot to effectively dissipate up to 21 Watts of power draw during heavy operations.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695182737771,"sku":"1785-V40V","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-v40v-vmebus-programmable-controllers-unspvcuzz22_fe7dce8e-2eff-4941-a7fc-5a6c7fab05bc.jpg?v=1766114352"},{"product_id":"allen-bradley-1785-v80b-plc-5-v80-vme-processor","title":"Allen-Bradley 1785-V80B PLC-5\/V80 VME Processor","description":"\u003cp\u003eThe \u003cstrong\u003e1785-V80B\u003c\/strong\u003e is a specialized \u003cstrong\u003ePLC-5\/V80\u003c\/strong\u003e programmable logic controller designed for seamless, direct integration into a VMEbus architecture. Compliant with the C.1 VMEbus specification, this processor installs directly into a VMEbus backplane, allowing shared bus execution alongside other VMEbus CPU and I\/O modules without separate system gateways. It retains the complete, powerful instruction set of the enhanced PLC-5\/80 processor while expanding native execution through custom VME status files and extended message (\u003cstrong\u003eMSG\u003c\/strong\u003e) instructions that handle cross-bus data transfers and hardware interrupt generation. Operating with 100 Kilowords of onboard battery-backed SRAM, the unit manages comprehensive industrial applications up to 2944 total I\/O over dedicated \u003cstrong\u003eDH+\u003c\/strong\u003e and Universal Remote I\/O links, complemented by an optically isolated RS-232-C serial engine for local programming and DF1 point-to-point topologies.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1785-V80B\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003ePLC-5\/V80 VMEbus Programmable Logic Controller Processor, 100 kWord SRAM.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRevision Control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1785-V80B Ser A\u003c\/strong\u003e (Series A, Rev A)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1785-V80B Ser B\u003c\/strong\u003e (Series B, Rev B)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1785-V80B Ser C\u003c\/strong\u003e (Series C, Rev C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1785-V80B Ser D\u003c\/strong\u003e (Series D, Rev D)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1785-V80B Ser E\u003c\/strong\u003e (Series E, Rev E)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/V80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number \/ Catalog No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-V80B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e612598140213\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVME Processor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVMEbus Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompliant with C.1 VMEbus specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard Volatile Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 Kilowords SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Table Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32,000 words maximum per data table file\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNon-Volatile Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDoes not utilize EEPROM memory modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Total I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2944 (configured complementarily as 2944 input \/ 2955 output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Analog I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2944 addressed natively (3072 maximum system capacity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Bit Logic Scan Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 ms per 1000 words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Complex Scan Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 ms per 1000 words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtended Local I\/O Scan Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote I\/O Scan Time Per Rack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ms @ 57.6 kbps, 7 ms @ 115.2 kbps, 3 ms @ 230.4 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRemote Network Baud Rates\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57.6 kbps, 115.2 kbps, 230.4 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Remote I\/O Racks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Universal Remote Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e92 total (maximum 32 per physical I\/O link)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Total I\/O Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtended Local Chassis Limit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 (No extended local I\/O ports available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Coprocessor Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVME Backplane Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 Amperes @ 5 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.82 kg (1.81 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEngineering Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVME Status File Access\u003c\/strong\u003e: Features an exclusive software-defined \"VME status file\" that enables ladder programs to explicitly monitor, evaluate, and modify low-level VMEbus system variables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstruction Set Extensions\u003c\/strong\u003e: The standard ladder instruction block for messaging (\u003cstrong\u003eMSG\u003c\/strong\u003e) is extended natively to command VMEbus data block transfers and issue structured backplane hardware interrupts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode Portability\u003c\/strong\u003e: Program configurations and ladder logic files developed for the standard enhanced PLC-5\/40 or PLC-5\/80 platforms run directly on the 1785-V80B with matching execution baselines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSRAM Preservation\u003c\/strong\u003e: Because this hardware platform does not feature internal EEPROM burning options, an active backup battery asset is required on the backplane or processor assembly to protect logic data during power downcycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Insertion\u003c\/strong\u003e: Verify the host VMEbus chassis power is fully switched off before inserting or extracting the processor card. Seat the multi-pin DIN backplane connectors straight into the card guide tracks to avoid pin misalignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel 0 Connection\u003c\/strong\u003e: Pin assignments on the 25-pin D-shell serial interface match EIA RS-232-C protocols; ensure shielding braid is terminated to the connector hood to maintain the integrity of optical isolators under high noise conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Tuning\u003c\/strong\u003e: When configuring channels 1A, 1B, 2A, or 2B for Data Highway Plus (DH+) or Remote I\/O, ensure the end-of-line termination resistors match the physical baud rate selected (e.g., 150 Ohm for 57.6 kbps or 82 Ohm for 230.4 kbps setups).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgramming Access\u003c\/strong\u003e: Local workstation access is established via the two front-panel 8-pin mini-DIN peripheral connections or over the primary DH+ highway link.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical \u0026amp; Procurement FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can a standard Allen-Bradley EEPROM module be inserted into the 1785-V80B for non-volatile backup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, the 1785-V80B VME processor does not incorporate sockets or system architecture to accept EEPROM memory modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How are communication channels 1A, 1B, 2A, and 2B physically wired on the front panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Each of these four independent channels features a dedicated 3-pin phoenix-style terminal plug that can be individually configured for DH+, Remote I\/O Scanner, or Remote I\/O Adapter modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this processor module drive standard local 1771 I\/O chassis blocks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It cannot drive local or extended local I\/O chassis directly because it lacks extended local drive ports; all 1771 or external I\/O hardware must be linked remotely over the universal remote I\/O scanner networks or over the VMEbus backplane.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695183360363,"sku":"1785-V80B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-v80b-vme-processor-card-24thwjxkimd_27f243e0-23d0-4b07-9175-0fa9f9f49a33.jpg?v=1766114374"},{"product_id":"allen-bradley-1785-lt3-plc-5-12-processor-module","title":"Allen-Bradley 1785-LT3 PLC-5\/12 Processor Module","description":"\u003cp\u003eThe \u003cstrong\u003e1785-LT3\u003c\/strong\u003e is a PLC-5\/12 Processor Module engineered to direct sequential control, automated processing operations, and comprehensive factory-floor data handling. This slot-mounted hardware component installs into the left-most slot of a standard 1771 I\/O chassis, executing specialized ladder logic programs to manage complex system variables. Functioning as a standalone and adapter-capable device on industrial networks, the \u003cstrong\u003e1785-LT3\u003c\/strong\u003e coordinates multi-node signals and diagnostic data via built-in physical connection interfaces.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeamless interlocking architecture designed exclusively for insertion into standard 1771 I\/O chassis frames\u003c\/li\u003e\n\u003cli\u003eIntegrated rear switch assembly (SW1) enabling direct manual assignment of the physical station address\u003c\/li\u003e\n\u003cli\u003eMultiple front-facing LED diagnostics providing continuous real-time verification of operational, communication, and battery conditions\u003c\/li\u003e\n\u003cli\u003eDedicated logic capabilities that execute bit-level instructions, advanced math functions, and automated runtime troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSequential manufacturing control networks\u003c\/li\u003e\n\u003cli\u003eMachine-level diagnostic and execution systems\u003c\/li\u003e\n\u003cli\u003eDistributed data acquisition nodes\u003c\/li\u003e\n\u003cli\u003eDistributed control architecture utilizing peer-to-peer communication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCatalog Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-LT3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClassic PLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProcessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Local Racks Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 (1 resident chassis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Remote Racks Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Capacity (8-point modules)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e128 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Capacity (16-point modules)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Capacity (32-point modules)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgram Scan Time (Bit Logic)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 ms\/K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgram Scan Time (Typical)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 ms\/K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandalone, Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNetwork Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDH+ (Data Highway Plus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptional Memory Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8K EEPROM (1785-MJ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1770-XY lithium battery (or 3.6V AA Tadiran TL-5104 AEL\/S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Addressing Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-slot, 1-slot, 1\/2-slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported I\/O Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBulletin 1771 I\/O (8, 16, 32-point, and intelligent modules)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Location Slot\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771 I\/O chassis, left-most slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKeying Band Positions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBetween 40 and 42, Between 54 and 56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime of Day Clock (Max Variation at 60 degC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlus or minus 3 min per month\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTime of Day Clock (Typical Variation at 20 degC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlus or minus 20 s per month\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTiming Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne program scan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Discrete Local I\/O Scan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 ms per local I\/O rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1337 g (42.15 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 to 95% (without condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating\/Non-operating Vibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 g @ 10 to 500 Hz (0.012 inches peak-to-peak displacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 g peak acceleration for 11 plus or minus 1 ms duration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNon-operating Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 g peak acceleration for 11 plus or minus 1 ms duration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConnector Pin \/ Switch\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction \/ Assignment\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSW1 Switch Assembly\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEstablishes the physical DH+ Station Address for Channel 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in side connector mating to the 1770-XY battery pressure terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Module Slot\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFront-accessible receiver accepting the optional 1785-MJ 8K EEPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCP Cable Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMating port interfaces directly with the industrial programming terminal cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Positioning:\u003c\/strong\u003e Always install the processor module into the dedicated, left-most slot of the 1771 I\/O backplane chassis to ensure proper logic termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeying Band Fitment:\u003c\/strong\u003e Position the hardware keying bands securely within the backplane rails between slots 40 and 42, and between slots 54 and 56 to verify correct module insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Warning:\u003c\/strong\u003e Turn off all electrical supplies feeding the local I\/O chassis or memory socket before mounting the hardware or sliding an EEPROM into the slot to eliminate major diagnostic faults or data corruption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround Infrastructure:\u003c\/strong\u003e Bond a dedicated grounding electrode conductor from the I\/O chassis enclosure wall star washer directly to the main plant earth ground bus to minimize industrial EMI.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCSA certified\u003c\/li\u003e\n\u003cli\u003eCSA Class I, Division 2, Groups A, B, C, D\u003c\/li\u003e\n\u003cli\u003eUL listed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695183393131,"sku":"1785-LT3","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-lt3-prosessor-module-n5c00vzgkhh_8da67669-2f7b-4d01-8897-bb87d173c1ee.jpg?v=1766114375"},{"product_id":"allen-bradley-1785-pfb-plc-5-communication-coprocessor-module","title":"Allen-Bradley 1785-PFB PLC-5 Communication Coprocessor Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1785-PFB\u003c\/strong\u003e is an industrial communication module designed to establish network linkages within distributed control configurations. Operating as a hardware integration device for the legacy PLC-5 processor architecture, it provides co-processing resources that handle data exchanges independently of primary scanner routines. The assembly features a dedicated serial portal layout, combining a main channel that executes signaling protocols over a standard RS-485 interface with a secondary auxiliary port that supports standard RS-232 serial links. By handling specific network traffic and communication overhead locally, the \u003cstrong\u003e1785-PFB\u003c\/strong\u003e ensures continuous and consistent data transfers across heterogeneous field networks and specialized host infrastructure in continuous processing environments.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual integrated serial channels accommodating parallel RS-485 and RS-232 infrastructure layout options.\u003c\/li\u003e\n\u003cli\u003eIndependent coprocessor execution loops to offload heavy serialization layers from the host central processor unit.\u003c\/li\u003e\n\u003cli\u003eFront-facing built-in multi-segment status display offering localized visual feedback.\u003c\/li\u003e\n\u003cli\u003eStandard form-factor alignment matched for direct installation inside conventional PLC-5 chassis slots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReal-time network interfacing with peripheral instruments and auxiliary field instrumentation.\u003c\/li\u003e\n\u003cli\u003eDistributed multi-node serial networking within centralized processing operations.\u003c\/li\u003e\n\u003cli\u003ePoint-to-point data acquisition links for localized host SCADA tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-PFB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC 5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCommunication Coprocessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard RS-485 Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncludes an RS-232 Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 mA at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.19 lbs (0.99 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Storage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Relative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Relative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95% (Non-Condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eConnector Pin\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePrimary Port Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard RS-485 structural communications networking interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Port Channel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuxiliary RS-232 communication connection link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Insertion:\u003c\/strong\u003e Slide the module firmly into its designated chassis path until it fully seats into the rear connection socket strip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Oversight:\u003c\/strong\u003e Maintain operating space conditions within 0 to 60 degC to prevent localized overheating of internal chips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensation Control:\u003c\/strong\u003e Ensure surrounding humidity scales strictly between 5% and 95% without non-condensing moisture accumulation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695184671083,"sku":"1785-PFB","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-pfb-profibus-module-gy2q0anny5h_338259ff-10d1-4a9e-8a9c-3abe3cb53be4.jpg?v=1766114411"},{"product_id":"allen-bradley-1785-l40l-plc-5-40l-standard-processor-module","title":"Allen-Bradley 1785-L40L PLC-5\/40L Standard Processor Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley \u003cstrong\u003e1785-L40L\u003c\/strong\u003e is a standard processor hardware component operating within the \u003cstrong\u003ePLC 5\u003c\/strong\u003e automated architecture to systematically govern and integrate distributed plant machinery networks. This computing core delivers a maximum user memory capacity of 48 Kilowords to coordinate field transactions across a broad spectrum of input and output subsystems. Slot placement requires mounting into the leftmost bay of a standard 1771 I\/O chassis layout, executing physical command handling over up to 2048 total I\/O configurations. Network tracking is sustained via double Data Highway Plus (DH+) or Remote I\/O interfaces, supporting selectable adapter or scanner mode configurations to interface with peripheral hardware devices. The automation module supports detailed addressing layouts including half-slot, single-slot, and double-slot assignments to handle 8-point, 16-point, and 32-point modules seamlessly. For extended processing topologies, it bridges directly with an extended local I\/O adapter link, driving structured hardware tracking loops across multi-chassis floor networks.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHosts an internal battery-backed static RAM layout for variable storage and operational register execution.\u003c\/li\u003e\n\u003cli\u003eDirect interface capability with supplementary EEPROM program non-volatile backup cartridges.\u003c\/li\u003e\n\u003cli\u003eDual functional communication interface supporting configurable scanner and adapter operational profiles.\u003c\/li\u003e\n\u003cli\u003eHardware slot compatibility with intelligent bulletin 1771, 1794, 1746, and 1791 I\/O modular blocks.\u003c\/li\u003e\n\u003cli\u003eMulti-channel electrical isolation protection certified between serial connection logic pathways and relay components.\u003c\/li\u003e\n\u003cli\u003eScalable localized scanning matrix extending control routines across remote chassis branches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-density industrial factory automation lines requiring centralized logic processing with extended local I\/O links.\u003c\/li\u003e\n\u003cli\u003eDistributed monitoring architectures interacting across complex Data Highway Plus (DH+) automation systems.\u003c\/li\u003e\n\u003cli\u003eMulti-chassis infrastructure processing in manufacturing assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003ePerformance Specifications\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/40L Standard Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax User Memory Words\u003c\/td\u003e\n\u003ctd\u003e48 Kilowords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery-Backed Static RAM\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM Program Backup Options\u003c\/td\u003e\n\u003ctd\u003e1785-ME16, 1785-ME32, 1785-ME64, 1785-M100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtected Memory\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Total I\/O\u003c\/td\u003e\n\u003ctd\u003e2048 (any mix) or 2048 in + 2048 out (complementary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e2048\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExtended Local I\/O Scan Time Per Rack\u003c\/td\u003e\n\u003ctd\u003e0.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote I\/O Scan Time (57.6 kbits\/s)\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote I\/O Scan Time (115.2 kbits\/s)\u003c\/td\u003e\n\u003ctd\u003e7 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote I\/O Scan Time (230.4 mbits\/s)\u003c\/td\u003e\n\u003ctd\u003e3 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003ePower Requirements \u0026amp; Electrical\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e3.3A at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e17W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage (Tested for 60s)\u003c\/td\u003e\n\u003ctd\u003e500 Volts and 1000 Volts between communication ports \/ relay cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Cartridge Support\u003c\/td\u003e\n\u003ctd\u003e1785-RC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eCommunication \u0026amp; Interface Capabilities\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Coprocessor Expansion Port\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-232-C\/422-A\/423-A Ports\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Networks\u003c\/td\u003e\n\u003ctd\u003eData Highway Plus (DH+), Remote I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Chassis Total\u003c\/td\u003e\n\u003ctd\u003e61\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Chassis Extended Local\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax I\/O Chassis Universal Remote\u003c\/td\u003e\n\u003ctd\u003e32 Max. Per I\/O Link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum I\/O Racks\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eMechanical \u0026amp; Environmental\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1785-L40L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e612598124022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e0 to 60 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e3.38 lbs (1.53 kg) \/ 1.42 kilograms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the central processing assembly exclusively into the designated leftmost slot of the 1771 I\/O chassis array.\u003c\/li\u003e\n\u003cli\u003eEnsure backplane power supplies are properly rated to provide the required 3.3A current load at 5V DC without causing logic rail drops.\u003c\/li\u003e\n\u003cli\u003eStructure field communication links with correct termination configurations when scanning across the maximum limit of 16 extended local chassis components.\u003c\/li\u003e\n\u003cli\u003eMaintain the surrounding environmental temperature field strictly within the specified 0 to 60 Celsius boundary limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL\u003c\/li\u003e\n\u003cli\u003eCE\u003c\/li\u003e\n\u003cli\u003eC-TICK\u003c\/li\u003e\n\u003cli\u003eCSA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695185523051,"sku":"1785-L40L","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-l40l-cpu-module-2iipgpalnn3_f4526786-3240-4609-ba8a-75eda32af139.jpg?v=1766114444"},{"product_id":"allen-bradley-1785-lt-b-1785-lt-series-b-plc-5-processor-module","title":"Allen-Bradley 1785-LT\/B 1785-LT Series B PLC-5 Processor Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1785-LT\/B\u003c\/strong\u003e is a programmable logic controller hardware component that functions specifically as a PLC 5\/15 processor module within the classic PLC-5 hardware line. It serves as the primary control unit to execute user application ladder logic, govern localized signal scanning, and coordinate peripheral network routing. For processing physical parameters, this processor provides simultaneous architecture expansion that manages up to four local I\/O chassis racks alongside up to three universal remote I\/O link channels. Built-in standalone communication interfaces include a specialized Remote I\/O scanner adapter combined with a Data Highway Plus (DH+) station port, facilitating direct parallel data transmission to operator workstations, supervisory automation interfaces, and third-party interface systems without interrupting primary control cycles.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual integrated network pathways containing an independent local or remote I\/O scanning link plus a separate Data Highway Plus (DH+) industrial channel.\u003c\/li\u003e\n\u003cli\u003eDual-option hardware configuration switches permitting user control over physical I\/O output states during active communication fault conditions.\u003c\/li\u003e\n\u003cli\u003eMulti-slot physical addressing capacity supporting 2-slot, 1-slot, and 1\/2-slot input\/output group placement mapping.\u003c\/li\u003e\n\u003cli\u003eSlide-in backplane alignment structural base designed for installation inside the left-most slot position of standard 1771-I\/O chassis enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-reliability automation control loop execution in factory manufacturing environments.\u003c\/li\u003e\n\u003cli\u003eCentralized multi-chassis industrial system expansion via remote and local input\/output link networks.\u003c\/li\u003e\n\u003cli\u003eDistributed plant automation cell integration using Data Highway Plus architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-LT\/B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Local I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 4 Racks (1 resident rack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Remote I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 3 Remote I\/O racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512 I\/O; 512 inputs and 512 outputs using 16 or 32-pt modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Total I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3072 (any mix) or 3072 in + 3072 out (complementary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Analog I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3072\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmbedded RAM\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6K Words SRAM (expandable up to 14K Words)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOptional Memory Modules\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4K RAM expansion (1785-MR); 8K RAM expansion (1785-MS); 8K EEPROM (1785-MJ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackup Battery Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1770-XY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgram Scan Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 ms\/K words (bit logic); 8 ms\/K words (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eI\/O Scan Time Per Rack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 ms at 57.6 kbits\/s, 7 ms at 115.2 kbits\/s, 3 ms at 230.4 mbits\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax I\/O Chassis Total\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Universal Remote Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 max. per I\/O link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilt-In Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1x Standalone Scanner (local and remote I\/O); 1x DH+; 1x RS-232-C\/422-A\/423-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Coprocessor Port\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Addressing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-slot, 1-slot, 1\/2-slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis Location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1771-I\/O chassis, left-most slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Keying Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBetween 40 and 42; between 54 and 56\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.06 lbs (1.39 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 Fahrenheit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 g (3 pulses, 11 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNonoperating Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 g (3 pulses, 11 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eESD Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 kV contact discharges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Placement:\u003c\/strong\u003e Slot the module strictly into the left-most dedicated processor position of the 1771-I\/O chassis frame, ensuring the guide keys align smoothly with backplane markers between slots 40\/42 and 54\/56.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Mode Switch Setup:\u003c\/strong\u003e Adjust configuration Switch 1 to the OFF position prior to startup to force the local chassis to safely strip away output energy if a fatal processing or communication error occurs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Shielding Safety:\u003c\/strong\u003e Ensure full connection to a reliable grounding strap during manual deployment or component adjustments to block static path discharges into the internal processing logic boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEN 50081-2 EMC - Generic Emission Standard for operation in a Part 2 - Industrial Environment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695186964843,"sku":"1785-LT\/B","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-lt-b-prosessor-module-yxvvpuggpfr_adcb9143-f4b0-44fc-98cc-a93b99d4b32f.jpg?v=1766114491"},{"product_id":"allen-bradley-1771-ofe1-plc-5-analog-output-module","title":"Allen-Bradley 1771-OFE1 PLC-5 Analog Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley \u003cstrong\u003e1771-OFE1\u003c\/strong\u003e is a 4-channel analog output module that converts digital values from a processor into analog voltage signals to control field devices within a industrial control network. This single-slot module interfaces directly into a Bulletin \u003cstrong\u003e1771\u003c\/strong\u003e I\/O chassis and operates with \u003cstrong\u003ePLC-5\u003c\/strong\u003e controllers via block transfer programming. The module converts 12-bit binary or 4-digit binary-coded decimal (BCD) values into high-resolution voltage outputs to regulate modulating infrastructure such as control valves, adjustable frequency AC drives, dampers, louvers, and positioners. It also acts as a precise signal source for data loggers, splitters, panel meters, totalizers, and single-loop controllers. Featuring 1500V optoelectrical isolation and 1000V individually-isolated differential outputs, the device secures processing equipment against localized overvoltage situations and contains dedicated internal short-circuit overload protection on each loop.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeamless operational configuration utilizing block transfer programming with Write Block Transfer instructions moving up to 13 data words and Read Block Transfer instructions carrying 5 debugging words.\u003c\/li\u003e\n\u003cli\u003eFour independent, 1000V individually-isolated differential voltage loops avoiding ground loops across widely separated field components.\u003c\/li\u003e\n\u003cli\u003eDual data format functionality supporting both Binary Coded Decimal (BCD) scaling and natural binary encoding to fit specific system setups.\u003c\/li\u003e\n\u003cli\u003eSelf-testing logic sequences executed automatically during startup to provide early operational diagnosis and system verification.\u003c\/li\u003e\n\u003cli\u003eBuilt-in overload protection circuits embedded on each separate channel path to safeguard hardware against load short circuits.\u003c\/li\u003e\n\u003cli\u003eShipped with a dedicated 1771-WH wiring arm allowing rapid module replacement without disconnecting active field wiring links.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProportional modulation of industrial control valves and dampening louvers.\u003c\/li\u003e\n\u003cli\u003eSpeed command reference transmission for adjustable frequency AC variable speed motor controllers.\u003c\/li\u003e\n\u003cli\u003eSignal sourcing for centralized data logging networks, splitters, and digital panel meters.\u003c\/li\u003e\n\u003cli\u003eDistributed control coupling with standalone single-loop controllers and processing totalizers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRevisions\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eProduct Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1771-OFE1 Ser A\u003c\/td\u003e\n\u003ctd\u003e1771-OFE1\/A, Series A, Rev A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1771-OFE1 Ser B\u003c\/td\u003e\n\u003ctd\u003e1771-OFE1\/B, Series B, Rev B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003ePerformance and Electrical Specifications\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line \/ Series\u003c\/td\u003e\n\u003ctd\u003ePLC-5 \/ PLC Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1771-OFE1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e612598003051\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003eFour (4) isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e4 Isolated (1000 Volt) Differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Ranges\u003c\/td\u003e\n\u003ctd\u003e+1 to +5 VDC; -10 to +10 VDC; 0 to +10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Resolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAC Converter Settling Time\u003c\/td\u003e\n\u003ctd\u003e0.8 ms (maximum for a resistive load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Scan Rate (BCD with Scaling)\u003c\/td\u003e\n\u003ctd\u003e8.0 ms for every channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Scan Rate (Binary without Scaling)\u003c\/td\u003e\n\u003ctd\u003e1.6 ms for all channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Accuracy (BCD Mode)\u003c\/td\u003e\n\u003ctd\u003e+0.1% of full scale; +1\/2 Least Significant Digit (LSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Accuracy (Binary Mode)\u003c\/td\u003e\n\u003ctd\u003e+0.1% of full scale; +1\/2 Least Significant Bit (LSB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptoelectrical Isolation\u003c\/td\u003e\n\u003ctd\u003e1500V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power Consumption\u003c\/td\u003e\n\u003ctd\u003e1.50 Amperes at 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired External Power\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e7.9 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Thermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e26.9 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical AC Signal Delay (Off)\u003c\/td\u003e\n\u003ctd\u003e45 (+\/- 15) ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical DC Signal Delay (Off)\u003c\/td\u003e\n\u003ctd\u003e50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Chassis\u003c\/td\u003e\n\u003ctd\u003e1771 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch4\u003eMechanical and Environmental Specifications\u003c\/h4\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack Mountable (Single Slot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.25 lbs (0.57 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e32 to 140 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 185 Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Vibration\u003c\/td\u003e\n\u003ctd\u003e2g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect all chassis backplane power before inserting or removing the module from its structural slot.\u003c\/li\u003e\n\u003cli\u003eSnap appropriate keying bands between positions 10-12 and 26-28 to dedicate the specific slot position for this module type.\u003c\/li\u003e\n\u003cli\u003eSlide the card firmly into the chassis card guides until it seats fully into the backplane connectors.\u003c\/li\u003e\n\u003cli\u003eSecure all external loop wires to the 1771-WH wiring arm, ensuring correct polarity for each isolated channel.\u003c\/li\u003e\n\u003cli\u003eSum the backplane current draw (1.50 A) with all other modules to confirm the chassis power supply capacity is not exceeded.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695188963691,"sku":"Allen Bradley 1771-OFE1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1771-ofe1-analog-output-module-yzqqf23znpx_610b299b-5010-4ea7-8909-fb781bc04fd6.jpg?v=1766114560"},{"product_id":"allen-bradley-1785-me32-plc-5-eeprom-memory-module","title":"Allen-Bradley 1785-ME32 PLC 5 EEPROM Memory Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1785-ME32\u003c\/strong\u003e is a non-volatile \u003cstrong\u003eEEPROM Memory Module\u003c\/strong\u003e manufactured by Rockwell Automation for the PLC-5 programmable controller platform. This specialized expansion device acts as an independent program backup carrier, providing 32 Kilowords of dedicated memory capacity to safeguard operating logic, configuration parameters, and data table files against complete power loss or primary system failures. The module is engineered to fit into standard PLC-5 processors, enabling users to upload code images from processor RAM or restore functional application routines directly to active controller memory during diagnostic recovery procedures. Housed in a compact, slide-in form factor, the \u003cstrong\u003e1785-ME32\u003c\/strong\u003e eliminates the risk of memory corruption due to dead internal chassis batteries, delivering an extra layer of structural stability for localized industrial automation environments.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure non-volatile program backup memory tailored for standard PLC-5 control systems.\u003c\/li\u003e\n\u003cli\u003e32 Kilowords of high-density EEPROM storage capable of holding complete operational profiles and ladder execution code.\u003c\/li\u003e\n\u003cli\u003eDirect software-driven transmission path supporting fast image transfers between active processor memory and the storage card.\u003c\/li\u003e\n\u003cli\u003eAuxiliary retention strategy ensuring reliable system recovery independent of lithium battery conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLong-term non-volatile storage and backup for critical process control application code.\u003c\/li\u003e\n\u003cli\u003eRapid recovery deployments inside automated manufacturing facilities experiencing sustained power outages or control faults.\u003c\/li\u003e\n\u003cli\u003eStandardized logic replication across multiple equivalent processing hardware nodes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1785-ME32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePLC-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMemory Device (EEPROM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 Kilowords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgram Backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.19 lbs (0.09 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Power Clearance:\u003c\/strong\u003e Prior to introducing or removing the memory card module, confirm all input electrical power feeding the local I\/O chassis and processor assembly has been disconnected to isolate the internal electrical bus lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Switch Configuration:\u003c\/strong\u003e Verify backplane hardware settings align with memory integration needs; if a processor expects a memory module but none is present, or if indicators are mismatched, the device logs fault code 82.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrostatic Grounding Safety:\u003c\/strong\u003e Ground your workspace appropriately and wear a functional static dissipation wrist strap while picking up the unit to protect sensitive solid-state components from electrostatic damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695189061995,"sku":"1785-ME32","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-me32-eeprom-memory-module-jqidmcu1xwo_d760ce52-a3eb-4195-9484-6759f333329d.jpg?v=1766114563"},{"product_id":"allen-bradley-1785-l20e-ethernet-plc-5-programmable-controller","title":"Allen-Bradley 1785-L20E Ethernet PLC-5 Programmable Controller","description":"\u003cp\u003eThe \u003cstrong\u003e1785-L20E\u003c\/strong\u003e is an industrial-grade Ethernet PLC-5 programmable controller designed by Allen-Bradley for control and automation across specialized industrial environments. Operating as an open-type modular component within the 1771 I\/O architecture, this processor features 16 Kilowords of maximum user memory and an integrated battery-backed static RAM to preserve active program data. The module provides multi-protocol network communication interfaces, including an embedded RJ45 Ethernet port supporting high-speed data transmission, email client functionality, and integration with machinery supervisory networks. It functions effectively as a control system component to manage field inputs and outputs while reducing downtime in large-scale manufacturing and processing operations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with 16 Kilowords of maximum user memory words and battery-backed static RAM for volatile memory preservation.\u003c\/li\u003e\n\u003cli\u003eSupport for dynamic or static network IP assignment via BOOTP, DHCP, or manual configuration.\u003c\/li\u003e\n\u003cli\u003eIntegrated email client functionality capable of transmitting standard SMTP protocol messages triggered by internal program instructions.\u003c\/li\u003e\n\u003cli\u003eConfigurable auto-negotiation settings supporting data transmission rates of 10\/100 Mbps in full-duplex or half-duplex operating modes.\u003c\/li\u003e\n\u003cli\u003eFeatures an embedded HTTP web server and Simple Network Management Protocol (SNMP) functions that can be enabled or disabled via configuration software.\u003c\/li\u003e\n\u003cli\u003eRemovable memory backup extension option utilizing 1785-ME16, -ME32, -ME64, or -M100 EEPROM modules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDistributed automated processing systems across oil and gas refinement utilities.\u003c\/li\u003e\n\u003cli\u003eHigh-speed assembly line sequence automation and production machinery.\u003c\/li\u003e\n\u003cli\u003eWater treatment plants and chemical processing multi-chassis control configurations.\u003c\/li\u003e\n\u003cli\u003ePower generation station subsystem handling and sequence-of-events reporting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog Number\u003c\/td\u003e\n\u003ctd\u003e1785-L20E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSeries F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eEthernet PLC-5 Programmable Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/20E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax User Memory Words\u003c\/td\u003e\n\u003ctd\u003e16 Kilowords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery-Backed Static RAM\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM Program Backup Option\u003c\/td\u003e\n\u003ctd\u003eYes (using 1785-ME16, -ME32, -ME64, or -M100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtected Memory\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Total I\/O\u003c\/td\u003e\n\u003ctd\u003e512 (any mix) or 512 in + 512 out (complementary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Analog I\/O\u003c\/td\u003e\n\u003ctd\u003e512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eChannel 2 (RJ45 Ethernet), Channel 1A (DH+ \/ Programming), Channel 1B (Remote I\/O Scanner), Channel 0 (25-pin D-shell serial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Protocols Supported\u003c\/td\u003e\n\u003ctd\u003eASCII, DF1 full-duplex, DF1 half-duplex master, DF1 half-duplex slave\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Battery Type\u003c\/td\u003e\n\u003ctd\u003e1770-XYC Lithium Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Altitude\u003c\/td\u003e\n\u003ctd\u003eUp to 2000 meters (without derating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePollution Degree\u003c\/td\u003e\n\u003ctd\u003ePollution Degree 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Category\u003c\/td\u003e\n\u003ctd\u003eCategory II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePort \/ Indicator\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction \/ Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel 2 RJ45 Connector\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps Ethernet network connection interface port.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel 1A Port\u003c\/td\u003e\n\u003ctd\u003eDefault configuration is Data Highway Plus (DH+) communication link.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8-pin Mini-DIN Port\u003c\/td\u003e\n\u003ctd\u003eDH+ programming terminal connection, routed parallel to Channel 1A.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel 1B Port\u003c\/td\u003e\n\u003ctd\u003eDefault configuration is Remote I\/O Scanner connection link.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel 0 Port\u003c\/td\u003e\n\u003ctd\u003e25-pin D-shell serial port supporting RS-232C, RS-423, and RS-422A physical layers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100M \/ 10M LEDs\u003c\/td\u003e\n\u003ctd\u003eEthernet transmit speed indicators (Green when actively communicating).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBATT LED\u003c\/td\u003e\n\u003ctd\u003eBattery status indicator (Lights Red when internal battery voltage drops low).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRUN \/ FAULT LED\u003c\/td\u003e\n\u003ctd\u003eController processor status indicator (Green when running; Red when faulted).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFORC LED\u003c\/td\u003e\n\u003ctd\u003eForce indicator (Amber when I\/O forces are actively enabled in software).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways mount the module within a protective enclosure that requires a dedicated tool for access, ensuring the local atmosphere meets Pollution Degree 2 conditions.\u003c\/li\u003e\n\u003cli\u003eSet the unique DH+ Station Address for Channel 1A using the rear-panel switch assembly SW-1 before inserting the unit into the chassis slot.\u003c\/li\u003e\n\u003cli\u003ePrevent internal hardware damage from electrostatic discharge by wearing an approved grounding wrist strap and avoiding physical contact with connection pins or circuit components.\u003c\/li\u003e\n\u003cli\u003eLimit adjacent slot thermal loading by confirming that adjacent hardware slot power dissipation remains below a maximum limit of 10 W.\u003c\/li\u003e\n\u003cli\u003eIsolate communication lines from high-voltage cables, routing signal wiring through dedicated instrument trays to minimize the risk of electromagnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003eIf changing the operational settings for the embedded HTTP web server or SNMP client while online, a complete system power cycle must be performed for adjustments to take effect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIEC\/CISPR Publication 11 (Group 1, Class A Industrial Equipment) \u003c\/li\u003e\n\u003cli\u003eClass I Division 2 Groups A, B, C, D Hazardous Locations (North American Hazardous Location Approval) \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695190176107,"sku":"1785-L20E","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-l20e-cpu-modle-xrzohbdchrr_5a5306c7-59a0-400e-b388-18e65d586ab4.jpg?v=1766114601"},{"product_id":"allen-bradley-1785-l40e-ethernet-plc-5-programmable-controller","title":"Allen-Bradley 1785-L40E Ethernet PLC-5 Programmable Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1785-L40E\u003c\/span\u003e is a high-performance, single-slot \u003cspan\u003eEthernet PLC-5 Programmable Controller\u003c\/span\u003e designed for the Allen-Bradley 1771 Universal I\/O platform. It features an integrated Ethernet port (10 Mbps), enabling high-speed peer-to-peer communication, program uploads\/downloads, and data acquisition over standard office or industrial networks. With \u003cspan\u003e48k words of user memory\u003c\/span\u003e and the capacity to manage up to \u003cspan\u003e2048 I\/O points\u003c\/span\u003e, the 1785-L40E serves as a robust control solution for medium-to-large scale industrial applications that require seamless integration between the factory floor and enterprise-level Ethernet systems.\u003c\/p\u003e\n\u003ch3\u003eFunctional Communication \u0026amp; Logic\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1785-L40E\u003c\/span\u003e simplifies network architecture by eliminating the need for external bridge modules. It features three high-speed communication channels: \u003cspan\u003eone dedicated Ethernet port\u003c\/span\u003e and \u003cspan\u003etwo configurable DH+\/Remote I\/O ports\u003c\/span\u003e. This allows the controller to simultaneously manage a local 1771 chassis, coordinate with remote I\/O racks, and communicate with HMIs or SCADA systems via EtherNet\/IP. Its powerful instruction set supports advanced floating-point math, PID control, and complex data handling, making it a \"workhorse\" for the automotive, food and beverage, and material handling industries.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"692\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cspan\u003eAttribute\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification Details\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1785-L40E\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eUser Memory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48k Words\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTotal I\/O (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2048 (Any mix) or 4096 (Complementary)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication Ports\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Ethernet, 2 DH+ or Remote I\/O\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMax Remote Chassis\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e60\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current Load\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.6 A @ 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Dissipation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18.9 W (Max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 °C to +60 °C (32 °F to +140 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.39 kg (3 lb, 1 oz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eReplacement Battery\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1770-XYC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mdc-button__label\"\u003e\u003cspan class=\"export-sheets-button\"\u003e\u003cspan class=\"export-sheets-icon\"\u003e\u003c\/span\u003e\u003cspan\u003e导出到 Google 表格\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-persistent-ripple mdc-icon-button__ripple\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-focus-indicator\"\u003e\u003c\/span\u003e\u003cspan class=\"mat-mdc-button-touch-target\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eHow does the Ethernet port improve system integration?\u003c\/span\u003eThe built-in Ethernet port supports the \u003cspan\u003eEtherNet\/IP\u003c\/span\u003e protocol, allowing the 1785-L40E to connect directly to standard network infrastructure. This facilitates faster data rates compared to traditional DH+ and allows for remote troubleshooting and programming across the plant's LAN without specialized interface cards in the PC.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhat are the addressing limitations for I\/O modules?\u003c\/span\u003eThe controller supports 2-slot, 1-slot, and 1\/2-slot addressing. When using \u003cspan\u003e2-slot addressing\u003c\/span\u003e, 16-point modules must be used in I\/O pairs, and 32-point modules are not supported. For higher density requirements, \u003cspan\u003e1\/2-slot addressing\u003c\/span\u003e should be used, which allows any mix of 8, 16, or 32-point modules.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHow critical is the 1770-XYC battery?\u003c\/span\u003eThe \u003cspan\u003e1770-XYC\u003c\/span\u003e lithium battery is essential for backing up the 48k words of user memory and the real-time clock when the system is powered down. Without a functional battery, the program and configuration data will be lost during a power cycle.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChassis Selection:\u003c\/span\u003e The 1785-L40E must be installed in the \u003cspan\u003eleftmost slot\u003c\/span\u003e of a 1771-A1B, -A2B, -A3B, or -A4B Universal I\/O chassis. Ensure the backplane power supply is rated for at least \u003cspan\u003e3.6 A\u003c\/span\u003e to accommodate the controller's current draw.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEnvironmental Shielding:\u003c\/span\u003e While the controller is rated for \u003cspan\u003e0 to 60 °C\u003c\/span\u003e, it is an open-style module. It must be installed in a NEMA-rated industrial enclosure to meet \u003cspan\u003eCISPR 11 Class A\u003c\/span\u003e emissions standards and to protect against conductive dust and moisture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCable Selection:\u003c\/span\u003e For Ethernet connectivity, use 802.3 compliant shielded or unshielded twisted pair cabling. For Remote I\/O or DH+ networks, use \u003cspan\u003e1770-CD (Blue Hose)\u003c\/span\u003e cable to ensure signal integrity and impedance matching across long distances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan\u003e1785-L40E\u003c\/span\u003e represents a bridge between legacy reliability and modern connectivity. By integrating Ethernet directly into the proven PLC-5 architecture, Allen-Bradley provides an upgrade path that does not require replacing the entire 1771 I\/O infrastructure. For B2B procurement, sourcing an original \u003cspan\u003e1785-L40E\u003c\/span\u003e ensures compliance with \u003cspan\u003eUL, CSA, and CE\u003c\/span\u003e industrial standards, providing the high vibration (2 g) and shock (30 g) resistance required for the most demanding manufacturing environments.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695191388523,"sku":"1785-L40E","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-l40e-cpu-module-kxser2dhzfv_9290a747-4043-42d8-8c69-030ea48e06d6.jpg?v=1766114643"},{"product_id":"1785-enet-c-allen-bradley-plc-5-ethernet-interface-module","title":"1785-ENET\/C Allen-Bradley PLC-5 Ethernet Interface Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Connectivity Evolution\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C (1785ENET\/C)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance communication interface specifically designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLC-5\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries of controllers. It serves as a critical bridge between the legacy PLC-5 backplane and modern\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEtherNet\/IP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003enetworks. The \"Series C\" designation represents the most advanced and stable hardware revision, offering superior packet processing and reliability. By adding the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto a PLC-5 system, industrial facilities can integrate their legacy control architecture with contemporary SCADA, MES, and ERP systems without the high cost of a total processor migration. This module enables remote programming, data acquisition, and controller-to-controller interlocking over standard industrial Ethernet infrastructure.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Network Logic\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a \"side-car\" style module that attaches to the left side of a PLC-5 processor. It does not occupy a standard I\/O slot, preserving chassis space for field I\/O.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Port:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures one\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10Base-T (RJ45)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport for standard twisted-pair Ethernet cabling and one\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAUI (15-pin)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eport for older transceiver-based connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtocol Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrimarily utilizes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCSP (Client\/Server Protocol)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEtherNet\/IP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor messaging. It supports both peer-to-peer messaging (MSG instructions) and remote programming via RSLinx.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThroughput Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOptimized for \"Messaging\" rather than \"I\/O Control.\" It is best suited for uploading\/downloading programs and exchanging data packets with other PLCs or HMIs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWorks with most\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLC-5\/20, 5\/40, and 5\/80\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprocessors, provided the processor has the appropriate side-car interface connector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNetwork Speed\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Mbps (Half-duplex)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnectors\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1x RJ45 (10Base-T), 1x 15-pin AUI\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax TCP\/IP Connections\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 64\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.0 A @ 5.1 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProgramming Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRSLogix 5, RSLinx Classic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 VDC between network and backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.2 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the module only support 10 Mbps instead of 100 Mbps?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewas designed during the peak of the PLC-5 era when\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10Base-T\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewas the industrial standard. While slower than modern modules, 10 Mbps is more than sufficient for the data table sizes found in PLC-5 processors (typically 32K to 100K words).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I set the IP address for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe IP address is generally assigned using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBOOTP\/DHCP Utility\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom Rockwell Automation. Once the MAC address is detected and an IP is assigned, you must \"Disable BOOTP\" in the configuration to make the address permanent (static).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for high-speed I\/O control?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emessaging and programming\u003c\/strong\u003e. For Ethernet-based I\/O control (EtherNet\/IP I\/O), the PLC-5 system typically requires a newer\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-AENTR\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor a migration to the ControlLogix platform.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSide-Car Mechanical Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore applying power, ensure the side-car connector pins are perfectly aligned with the PLC-5 processor. Secure the modules together using the integrated sliding latches. Forcing the connection can result in bent pins and permanent hardware failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Topology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSince the module is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10 Mbps half-duplex\u003c\/strong\u003e, it is highly sensitive to network \"collisions.\" For optimal performance, connect the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto a managed switch that can be forced to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10MB\/Half\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon that specific port to avoid auto-negotiation mismatches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStatus LED Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e*\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eENET LED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSolid Green indicates a valid link.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePROC LED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSolid Green indicates the module is communicating with the PLC-5 processor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFLT LED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRed indicates a hardware internal fault or an IP address conflict.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1785-ENET\/C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides a \"Life Extension\" for the thousands of PLC-5 systems still in operation today. Its primary advantage is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econnectivity without disruption\u003c\/strong\u003e. Engineers can install the module to extract real-time production data for \"Smart Factory\" initiatives without altering the core machine logic. Furthermore, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSeries C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehardware includes improved firmware that handles modern network traffic more efficiently than the older Series A or B units, providing a more stable connection for remote troubleshooting and enterprise-level reporting.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695192699243,"sku":"1785-ENET\/C","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1785-enet-c-ethernet-interface-module-adj3ktrdzwt_b0fdc670-825a-41f9-8d64-36dbec7558fb.jpg?v=1766114691"},{"product_id":"1771-ife-allen-bradley-plc-5-analog-input-module-16-channel","title":"1771-IFE Allen-Bradley PLC-5 Analog Input Module (16-Channel)","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview and Analog Data Acquisition\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IFE (1771IFE)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density, intelligent analog input module belonging to the legendary\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley PLC-5\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries. Designed for precision data acquisition in heavy industrial environments—such as oil refineries, wastewater treatment plants, and steel mills—the module provides up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e16 single-ended\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e8 differential\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einputs. It is engineered to convert continuous analog signals (voltage or current) into digital values that can be processed by the PLC-5 processor. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IFE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a cornerstone for monitoring critical process variables like pressure, flow, temperature, and level, offering a robust hardware solution that has maintained its reliability in the field for decades.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware Architecture and Signal Interfacing\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IFE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes a modular chassis-based design and occupies a single slot in the 1771 I\/O rack. It interfaces with the PLC backplane through block transfer programming, ensuring high-speed data updates without overloading the processor's discrete I\/O scan.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfigurable Input Ranges:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module is highly versatile, supporting a wide array of signal types including\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1 to 5 VDC, 0 to 5 VDC, 0 to 10 VDC, and -10 to +10 VDC\u003c\/strong\u003e, as well as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 to 20 mA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecurrent loops (using external shunt resistors).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eA\/D Conversion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a 12-bit Analog-to-Digital converter, providing a resolution of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4096 counts\u003c\/strong\u003e, which ensures high granularity for sensitive process control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Filtering:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes hardware-based low-pass filtering to suppress high-frequency noise and 50\/60 Hz electrical interference common in industrial motor control centers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides optical isolation between the analog input circuitry and the backplane logic, protecting the PLC processor from external field transients and ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1771-IFE\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Single-ended or 8 Differential\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12-bit (0 to 4095)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 5V, 1 to 5V, 0 to 10V, +\/- 10V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Ranges\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 to 20 mA (With 249 Ohm resistor)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversion Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSuccessive Approximation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e750 mA @ 5 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1500 VAC (Continuous)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1.5 kg\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegrated Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I configure the module for 4 to 20 mA current inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IFE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis natively a voltage-sensing module. To measure\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4 to 20 mA\u003c\/strong\u003e, you must install a precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e249 Ohm shunt resistor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacross the input terminals and configure the software range for 1 to 5 VDC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between Single-Ended and Differential wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSingle-ended wiring (16 channels) uses a common ground for all inputs and is suitable for signals with a shared reference. Differential wiring (8 channels) uses two leads per signal to cancel out common-mode noise, making it the preferred choice for long cable runs in electrically noisy areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does \"Block Transfer\" (BTW\/BTR) affect module operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUnlike discrete I\/O, analog data is too large for a single scan. You must use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBlock Transfer Write (BTW)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto send configuration data (ranges, filters) to the module and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBlock Transfer Read (BTR)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto pull the digitalized analog values into the PLC-5 data table.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering \u0026amp; Installation Protocols\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring Arm Configuration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUse the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-WG\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewiring arm to allow for module replacement without disconnecting field wiring. Ensure that all terminal screws are tightened to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.9 Nm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto prevent signal drift caused by loose connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShielding Strategy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways use twisted-pair shielded cable for analog signals. Connect the shield at the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLC-5 chassis ground\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eonly; do not ground the shield at the sensor end to avoid creating ground loops that can cause significant measurement offsets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCalibration Cycle:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhile the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IFE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis factory calibrated, it is recommended to perform a field calibration check every 12 months using a high-precision signal generator to account for component aging and environmental drift.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEngineering Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1771-IFE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eremains a staple in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003elegacy migration and maintenance\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estrategies. Its high-density 16-channel capacity allows for significant I\/O concentration, reducing the number of chassis slots required for large-scale monitoring. The module's diagnostic capabilities—including \"Out of Range\" bit detection—provide immediate feedback to the control logic, allowing for automated fail-safe routines in the event of a sensor failure or wire break, thereby enhancing overall plant safety and uptime.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52695193190763,"sku":"Allen Bradley 1771-IFE","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/allen-bradley-1771-ife-analog-input-module-o5ymi2u0t0q_277bfeb9-0c72-4a07-bb27-cb016050914d.jpg?v=1766114709"}],"url":"https:\/\/www.plcprotech.com\/hu\/collections\/allen-bradley-plc-5-system.oembed?page=2","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}