{"product_id":"allen-bradley-1785-l40l-plc-5-40l-standard-processor-module","title":"Module processeur standard PLC-5\/40L Allen-Bradley 1785-L40L","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","url":"https:\/\/www.plcprotech.com\/fr\/products\/allen-bradley-1785-l40l-plc-5-40l-standard-processor-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}