{"product_id":"allen-bradley-1747-l511-slc-500-controller-processor","title":"Allen-Bradley 1747-L511 SLC 500 Controller Processor","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1747-L511 is an entry-level modular controller processor designed for the SLC 500 system architecture. It is well-suited for discrete small-scale process control, material handling systems, and HVAC equipment control. This processor incorporates a reliable PLC-5 instruction set, providing flexible programming capabilities for standalone machine control or distributed architectures.\u003c\/p\u003e\n\u003cp\u003eFeaturing 1K words of battery-backed RAM user memory, the 1747-L511 supports up to 3,040 maximum I\/O signals across its supported chassis configuration. It provides essential diagnostic indicators, dependable scan performance, and physical keyswitch operation for security and mode selection (Run, Program, Remote).\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1K words of user memory with battery backup support via the 1747-BA module\u003c\/li\u003e\n  \u003cli\u003eSupports up to 30 I\/O chassis module slots across a maximum of 3 chassis\u003c\/li\u003e\n  \u003cli\u003eFast program scan time of 1.6 ms per kiloword\u003c\/li\u003e\n  \u003cli\u003eEquipped with an integral RS-232 communication channel for programming and HMI connection\u003c\/li\u003e\n  \u003cli\u003eEEPROM memory backup capability for non-volatile program storage\u003c\/li\u003e\n  \u003cli\u003eFront-panel status indicators for processor fault, run mode, battery status, and communication activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall-scale industrial discrete manufacturing\u003c\/li\u003e\n  \u003cli\u003eHVAC and building automation control panels\u003c\/li\u003e\n  \u003cli\u003eMaterial handling and conveyor systems\u003c\/li\u003e\n  \u003cli\u003eOEM machinery automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eExact Model\u003c\/td\u003e\n      \u003ctd\u003e1747-L511\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eSLC 500 Controller Processor\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eUser Memory Capacity\u003c\/td\u003e\n      \u003ctd\u003e1K words (1,000 instructions)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n      \u003ctd\u003e350 mA at 5V DC, 105 mA at 24V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProgram Scan Time\u003c\/td\u003e\n      \u003ctd\u003e1.6 ms \/ K (typical)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n      \u003ctd\u003eUp to 3,040 I\/O points\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaximum Chassis \/ Slots\u003c\/td\u003e\n      \u003ctd\u003e3 Chassis, 30 Slots total\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCommunication Port\u003c\/td\u003e\n      \u003ctd\u003eRS-232 Channel 0 (DF1, DH-485, ASCII, Modbus RTU Master\/Slave)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n      \u003ctd\u003e0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eUnited States\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003cp\u003eThe 1747-L511 processor includes a single 9-pin D-shell RS-232 port (Channel 0) located on the front panel. This communication port supports DF1 point-to-point, DH-485, Modbus RTU, and ASCII protocols, allowing direct connection to programming terminals, PanelView operator interfaces, or third-party devices. A keyswitch on the front panel enables quick switching between Run, Program, and Remote modes.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cp\u003eSlide the 1747-L511 processor into the leftmost slot (Slot 0) of the primary 1746 I\/O chassis, as required by SLC 500 system rules. Ensure power is removed from the backplane before inserting or removing the module. Secure the module using the top and bottom retaining screws, and verify proper battery connection before energizing the system.\u003c\/p\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUL Listed Industrial Control Equipment\u003c\/li\u003e\n  \u003cli\u003ecULus Certified for US and Canadian Standards\u003c\/li\u003e\n  \u003cli\u003eCE Compliant for European Directives\u003c\/li\u003e\n  \u003cli\u003eC-Tick Marked for Australian Communications Authority\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53770299244907,"sku":"1747-L511","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1747-L511_1200x1200_9668c60d-d3ee-4bec-9e4b-51cb669a898b.jpg?v=1787740604","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1747-l511-slc-500-controller-processor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}