{"product_id":"allen-bradley-8500-1746i-slc-500-interface-module","title":"Allen-Bradley 8500-1746I SLC 500 Interface Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 8500-1746I\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8500-1746I\u003c\/strong\u003e Adapter Module Interface, serves as the primary \u003cstrong\u003e1746\u003c\/strong\u003e PLC Module\/Rack utilized to execute internal I\/O ring data routing and backplane power distribution across Allen-Bradley SLC 500 automation platforms. Operating directly on the rack backplane assembly, the unit conditions control logic signals and delivers isolated signal conversion between local processor buses and expansion I\/O racks without requiring external active buffer cards.\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\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e8500-1746I\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\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\u003e0.44 lbs (0.20 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1746 Single-Slot Chassis Form Factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.875 W (0.175 AMP @ 5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e0.175 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Category\u003c\/td\u003e\n\u003ctd\u003ePLCs\/Machine Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSub-Category\u003c\/td\u003e\n\u003ctd\u003ePLC Module\/Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe module operates directly via the native 1746 backplane architecture, maintaining high-speed parallel bus transmission rates and low latency cycle execution across expanded I\/O chassis assemblies. Signal routing circuits handle deterministic I\/O scan sequences while suppressing differential noise and EMI artifacts over the internal rack connector pins. Firmware handshake routines synchronize backplane data frames between the local processor and downstream expansion interface nodes, preserving backplane bus communication velocity and preventing buffer overrun errors during dense I\/O scaling setups.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary backplane power consumption requirement for the 8500-1746I module?\u003c\/p\u003e\n\u003cp\u003eA: The module draws a continuous current of 0.175 AMP strictly from the 5 VDC backplane bus supplied by the system chassis power supply.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 8500-1746I interface module be removed or inserted while the SLC 500 rack is powered up?\u003c\/p\u003e\n\u003cp\u003eA: No. The 8500-1746I does not support RIUP (Removal and Insertion Under Power). System power to the 1746 chassis backplane must be completely shut off before module removal or installation to prevent hardware damage and processor faults.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the system main circuit breaker and backplane power supply are completely de-energized before inserting or removing the module.\u003c\/li\u003e\n\u003cli\u003eAlign the circuit board card guides with the top and bottom rails of the targeted 1746 chassis slot.\u003c\/li\u003e\n\u003cli\u003eSlide the module firmly into the slot until the top and bottom retention latches snap securely into place, ensuring complete seating of the backplane connector pins.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum clearance of 50 mm (2 inches) above and below the chassis assembly to facilitate passive thermal dissipation.\u003c\/li\u003e\n\u003cli\u003eRoute incoming field wiring in separate conduits away from high-voltage AC power lines to prevent electromagnetic coupling onto low-voltage backplane communication traces.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":66749801791603,"sku":"8500-1746I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/8500-1746I_Cocoai_f5a77ddb-0358-4945-8bf4-64bd0afbd7b6.jpg?v=1790748506","url":"https:\/\/www.dcssupplier.com\/ar\/products\/allen-bradley-8500-1746i-slc-500-interface-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}