{"product_id":"1747-l514-allen-bradley-slc-5-01-controller-slc-500-series","title":"1747-L514 Allen-Bradley SLC 5\/01 Controller SLC 500 Series","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1747-L514\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1747-L514\u003c\/strong\u003e SLC 5\/01 Controller, operates as a dedicated CPU component for ladder logic execution and DH-485 communication within SLC 500 control systems.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1747-L514 is an SLC 5\/01 CPU module with 4K RAM memory and DH-485 communication capability. It is designed for installation in SLC 500 chassis assemblies and provides processor control functions for connected I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eHardware 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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1747-L514\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSLC Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSLC 500 \/ SLC 5\/01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e15.2 x 5.1 x 15.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e4K RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDH-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Function\u003c\/td\u003e\n\u003ctd\u003eCPU Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer (10\/21\/2016)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSLC 500 Processor Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1747-L514 functions as the processing unit within an SLC 500 control platform. It executes stored user programs, manages processor operation, and exchanges data with SLC chassis I\/O modules through the system backplane.\u003c\/p\u003e\n\u003cp\u003eThe SLC 5\/01 processor uses DH-485 communication for local network connectivity and controller data exchange. The module belongs to the early SLC 500 processor family and does not use Ethernet\/IP based communication.\u003c\/p\u003e\n\u003ch3\u003eProcessor and Backplane Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1747-L514 is designed for SLC 500 rack-based systems where CPU control, I\/O expansion, and power distribution are managed through the chassis backplane.\u003c\/p\u003e\n\u003cp\u003eAllen-Bradley SLC processors use deterministic backplane communication between CPU modules and I\/O assemblies. Proper slot positioning, chassis compatibility, and firmware matching are required when integrating replacement processors into existing systems.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1747-L514 SLC 5\/01 CPU Controller Module\u003c\/li\u003e\n\u003cli\u003eAdditional SLC chassis, power supply, communication cables, and programming accessories are not included unless specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003ch4\u003eModule Installation\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect chassis power before removing or installing the CPU module.\u003c\/li\u003e\n\u003cli\u003eInstall the processor into a compatible SLC 500 chassis slot.\u003c\/li\u003e\n\u003cli\u003eVerify module seating and locking mechanism before applying power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCommunication Setup\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm DH-485 network wiring before connecting communication devices.\u003c\/li\u003e\n\u003cli\u003eUse the correct programming cable and communication configuration for the SLC 5\/01 platform.\u003c\/li\u003e\n\u003cli\u003eCheck controller status indicators during startup diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eMaintenance Checks\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect the module connector and chassis backplane contacts for contamination.\u003c\/li\u003e\n\u003cli\u003eVerify processor status LEDs during troubleshooting.\u003c\/li\u003e\n\u003cli\u003eConfirm user program compatibility before replacing an existing CPU.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat is the main function of Allen-Bradley 1747-L514?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1747-L514 is an SLC 5\/01 CPU module used for program execution, controller operation, and communication within SLC 500 systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHow much memory does the 1747-L514 provide?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1747-L514 provides 4K RAM memory for storing controller application programs and processor data.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat communication protocol does this CPU support?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module supports DH-485 communication for local controller networking and programming access.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIs the 1747-L514 an Ethernet communication processor?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo. The SLC 5\/01 processor family uses DH-485 communication and does not provide native Ethernet\/IP connectivity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eCan the 1747-L514 be hot-swapped during operation?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHot-swapping is not specified. Power should be removed before replacing the CPU module.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat chassis is required for this processor?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1747-L514 requires a compatible Allen-Bradley SLC 500 chassis and power supply assembly.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIs firmware compatibility required when replacing this CPU?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes. Existing application programs and system configuration should be checked for processor compatibility before replacement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat maintenance actions are recommended for this module?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInspect connectors, verify chassis seating, check status indicators, and confirm proper program execution during system operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066409668781,"sku":"1747-L514","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1747-L514_1.jpg?v=1785927868","url":"https:\/\/www.maxwellplc.com\/products\/1747-l514-allen-bradley-slc-5-01-controller-slc-500-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}