{"product_id":"dc551-cs31-1sap220500r3001-abb-ac500-series-digital-i-o-bus-module","title":"DC551-CS31 1SAP220500R3001 ABB AC500 Series Digital I\/O Bus Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB DC551-CS31 1SAP220500R3001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDC551-CS31\u003c\/strong\u003e Digital I\/O Bus Module, operates as a dedicated hardware component for field signal interfacing and CS31 bus communications within AC500 automation platforms.\u003c\/p\u003e\n\u003ch3\u003eVariant Mapping \u0026amp; Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Part Number\u003c\/strong\u003e: 1SAP220500R3001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Module Model\u003c\/strong\u003e: DC551-CS31\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCross-Reference Spare Part\u003c\/strong\u003e: 1SAP220500R0001\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform Architecture\u003c\/strong\u003e: AC500 I\/O Expansion System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctional Integration\u003c\/strong\u003e: CS31 bus interface module for decentralized digital input and output processing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModule Data \u0026amp; Environmental Limits\u003c\/h3\u003e\n\u003cfigure\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\u003eDC551-CS31\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\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.12 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e6.8 cm x 6.2 cm x 7.8 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Part Number\u003c\/td\u003e\n\u003ctd\u003e1SAP220500R3001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Bus Protocol\u003c\/td\u003e\n\u003ctd\u003eCS31 Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input\/Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Speed Bus Synchronization \u0026amp; Firmware Execution\u003c\/h3\u003e\n\u003cp\u003eThe DC551-CS31 module optimizes backplane bus communication velocity across connected AC500 expansion units. The CS31 bus interface manages real-time I\/O density scaling during cyclic data transfers to the central processor. Native firmware flash compatibility guarantees continuous synchronization with the host controller during deterministic logic execution.\u003c\/p\u003e\n\u003ch3\u003eOrdering Package Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB DC551-CS31 Digital I\/O Bus Module (1SAP220500R3001)\u003c\/li\u003e\n\u003cli\u003e1 x Bus Connector Terminal Block Assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCabinet Mounting \u0026amp; Field Cable Protocols\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN Rail Attachment\u003c\/strong\u003e: Snap the module securely onto a standard 35 mm DIN rail terminal base before latching field connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Termination\u003c\/strong\u003e: Install a 120 ohm line termination resistor across the physical endpoints of the CS31 bus loop to prevent signal reflection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Shielding Ground\u003c\/strong\u003e: Earth the CS31 communication cable shield at both ends using low-impedance grounding clamps attached to the mounting rail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Separation\u003c\/strong\u003e: Route 24 VDC field input\/output wiring through separate cable ducts isolated from high-voltage AC lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Support FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat fieldbus network protocol does the DC551-CS31 module interface with?\u003c\/p\u003e\n\u003cp\u003eThe module connects directly to the proprietary ABB CS31 fieldbus for decentralized digital signal acquisition and controller communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping permitted for this module during active system operation?\u003c\/p\u003e\n\u003cp\u003eNo, live insertion or removal under voltage is prohibited; power off the 24 VDC system supply before dismounting hardware from the bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat spare part numbers correlate directly with the DC551-CS31 module?\u003c\/p\u003e\n\u003cp\u003eThe module is identified under part numbers 1SAP220500R3001 and legacy spare part number 1SAP220500R0001.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the CS31 fieldbus node address set on the DC551-CS31 hardware?\u003c\/p\u003e\n\u003cp\u003eThe module node address is assigned via hardware rotary switches located on the front face of the unit prior to power installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module require an explicit external power source for internal logic?\u003c\/p\u003e\n\u003cp\u003eYes, the module requires an external 24 VDC auxiliary power supply connected to the dedicated power terminals to operate bus interfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are communication status and input\/output states visually diagnosed?\u003c\/p\u003e\n\u003cp\u003eFront-panel LED indicators display operational status, CS31 bus activity errors, and individual digital channel switching states.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the recommended conductor cross-section for field terminal wiring?\u003c\/p\u003e\n\u003cp\u003eUse solid or flexible copper wiring with a cross-section between 0.08 mm2 and 1.5 mm2 (28 AWG to 16 AWG) rated for at least 75 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the module maintain synchronization across multiple expansion racks?\u003c\/p\u003e\n\u003cp\u003eThe module utilizes the deterministic timing structure of the CS31 bus protocol to maintain cyclic update rates with the main controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021156700333,"sku":"DC551-CS31","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb_dc551-cs31_1sap220500r3001_4.jpg?v=1787454077","url":"https:\/\/www.maxwellplc.com\/ru\/products\/dc551-cs31-1sap220500r3001-abb-ac500-series-digital-i-o-bus-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}