{"product_id":"abb-dsbc172-57310001-kd-bus-coupler-board","title":"ABB DSBC172 57310001-KD Bus Coupler Board","description":"\u003cp\u003eConfigured for deterministic backplane bus extension and signal isolation in ABB S100 I\/O and Advant Master platforms, the \u003cstrong\u003eABB DSBC172 57310001-KD\u003c\/strong\u003e (\u003cstrong\u003eDSBC172\u003c\/strong\u003e Bus Coupler Board) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBase Model\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSuffix \/ Ordering Code\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eCore Interface \/ Functional Variant\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDSBC172\u003c\/td\u003e\n\u003ctd\u003e57310001-KD\u003c\/td\u003e\n\u003ctd\u003eStandard S100 I\/O bus coupler module, standard conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDSBC172\u003c\/td\u003e\n\u003ctd\u003e57310001-KD-R\u003c\/td\u003e\n\u003ctd\u003eRefurbished \/ factory-tested exchange unit, full operational test profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003e57310001-KD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003eDSBC172\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden \/ Germany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.34 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard S100 I\/O subrack single-slot width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC (backplane bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eBus Coupler Board \/ Extension Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Interface\u003c\/td\u003e\n\u003ctd\u003eABB S100 Backplane Bus \/ Bus Extension Cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Processing\u003c\/td\u003e\n\u003ctd\u003eDifferential bus driver buffer \/ galvanic isolation barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eABB S100 I\/O, Advant Master, Advant OCS\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 and Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe DSBC172 57310001-KD functions as an active bus driver and signal repeater within the ABB S100 I\/O architecture. Designed to drive high-velocity parallel bus traffic between main CPU subracks and remote expansion subracks, the module utilizes high-speed differential bus transceivers to prevent signal degradation over extended backplane cable distances.\u003c\/p\u003e\n\u003cp\u003eInternal logic circuitry maintains deterministic timing across expanded I\/O racks, ensuring firm firmware flash compatibility and low-latency communication access for adjacent digital and analog I\/O cards. High-grade opto-couplers and isolation transformers integrated into the signal pathways prevent ground loop currents from circulating between separate rack frames, maintaining noise immunity in harsh industrial electrical environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the primary role of the DSBC172 bus coupler board in an S100 I\/O system?\u003c\/p\u003e\n\u003cp\u003eA: The DSBC172 extends the internal parallel backplane bus between primary controller subracks and expansion I\/O subracks while providing electrical isolation and signal conditioning.\u003c\/p\u003e\n\u003cp\u003eQ: Can the DSBC172 board be extracted while the S100 rack power supply is energized?\u003c\/p\u003e\n\u003cp\u003eA: Live extraction is not recommended for bus coupler modules. Removing the DSBC172 under power will disrupt backplane bus arbitration, causing downstream I\/O modules to trip into error states or fail-safe modes.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure all system power sources to the main and expansion subracks are locked out and tagged out prior to inserting or removing the DSBC172 module.\u003c\/li\u003e\n\u003cli\u003eConnect the subrack chassis frame directly to protective earth (PE) ground using a low-impedance copper grounding strap.\u003c\/li\u003e\n\u003cli\u003eInspect multi-pin backplane connectors and bus extension cable connectors for bent pins or foreign debris before sliding the card into the slot guide rails.\u003c\/li\u003e\n\u003cli\u003eTighten top and bottom mechanical retaining screws to securely ground the module faceplate to the rack frame and prevent accidental dislodgement from vibration.\u003c\/li\u003e\n\u003cli\u003eEnsure bus extension cables linking the DSBC172 to adjacent racks are secured using cable strain reliefs and routed away from heavy motor power cables or switching power supplies.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45353235578995,"sku":"DSBC172 57310001-KD","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-13_09-06-09_1200x1200_5d482a92-86a7-44d4-800a-ee6562c3223a.jpg?v=1786585140","url":"https:\/\/www.dcssupplier.com\/products\/abb-dsbc172-57310001-kd-bus-coupler-board","provider":"DcsSupplier Limited","version":"1.0","type":"link"}