{"product_id":"1747-l541-allen-bradley-slc-5-04-processor-new-original-stock","title":"1747-L541 Allen-Bradley SLC 5\/04 Processor | New \u0026 Original Stock","description":"\u003ch1\u003eAllen-Bradley 1747-L541 SLC 500 Processor Module\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1747-L541\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1747-L541\u003c\/strong\u003e Processor Module, operates as a dedicated hardware component for control, memory, and communication functions within SLC 500 platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e1747-L541\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e0.99 lbs (0.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e140 mm x 74 mm x 145 mm (5.5 in x 2.9 in x 5.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003eBackplane Current Draw: 1.0 A @ 5 VDC, 0.025 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eController Type\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003eSLC 5\/04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eUser Memory\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e16K Words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eNon-Volatile Storage\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003eFlash EEPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eMaximum Digital I\/O Capacity\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e8192 points max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eProgram Execution Speed\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e0.9 ms\/K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eMax Local Chassis Slots\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e30 slots max \/ 3 local chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e1 x DH+ (Data Highway Plus), 1 x RS-232 serial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003eBackplane Bus\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003eSLC backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and Base Integration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1747-L541\u003c\/strong\u003e execution architecture relies on synchronized backplane cycles to coordinate peripheral module states. While native communications are executed via DH+ and RS-232 serial links, bridging modules can be integrated into the chassis to establish data mapping loops over Profinet \/ EtherNet\/IP deterministic networks. The processor's 0.9 ms\/K ladder logic execution time maintains predictable cyclic processing, ensuring high-speed internal bus transfers match the transmission rates required by external master networks without causing packet buffer overflows.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the memory constraints when developing runtime routines for the 1747-L541?\u003c\/p\u003e\n\u003cp\u003eA: The processor features 16K Words of user memory stored in battery-backed RAM. Long-term non-volatile data backup must be committed to the integrated Flash EEPROM using RSLogix 500 programming software to prevent data loss upon complete depletion of the backup battery.\u003c\/p\u003e\n\u003cp\u003eQ: Can this processor module be inserted or extracted from the rack while the backplane is powered?\u003c\/p\u003e\n\u003cp\u003eA: No. The SLC 5\/04 hardware platform lacks hot-swap support. Completely isolate input power to the chassis power supply before module insertion or extraction to prevent corruption of memory registers or hardware damage to the backplane transceiver logic.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Positioning:\u003c\/strong\u003e Always install the processor module into the leftmost slot (Slot 0) of the primary 1746 mounting chassis. Ensure the retention latches firmly engage the chassis frame to maintain uniform backplane bus continuity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Media Termination:\u003c\/strong\u003e When deploying the DH+ network port, utilize standard twinaxial cable and ensure proper 3-pin phoenix plug seating. Terminal nodes on the link must be terminated with the appropriate resistance value to minimize signal reflections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Requirements:\u003c\/strong\u003e Confirm that the chassis housing the 1747-L541 module has a low-impedance connection directly to the main industrial earth ground bus to suppress high-frequency noise and electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management Clearances:\u003c\/strong\u003e Verify that adjacent wiring ducts and peripheral components do not block convective vertical airflow across the chassis ventilation slots, keeping ambient conditions below the upper operating limit of +60 deg C.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43415771611226,"sku":"1747-L541","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/161_cc01c830-08fc-48e5-b83f-f8491cbdcd58.jpg?v=1779759519","url":"https:\/\/www.spareoil.com\/products\/1747-l541-allen-bradley-slc-5-04-processor-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}