{"product_id":"do820-3bse008514r1-abb-digital-output-relay-module-s800-i-o","title":"DO820 3BSE008514R1 ABB Digital Output Relay Module S800 I\/O","description":"\u003cp\u003eConfigured for high-voltage discrete signal switching in S800 I\/O distributed control network platforms, the \u003cstrong\u003eABB DO820\u003c\/strong\u003e (\u003cstrong\u003e3BSE008514R1\u003c\/strong\u003e Digital Output Module) provides direct physical electrical execution via 8 individually galvanically isolated relay channels.\u003c\/p\u003e\n\u003ch3\u003eModel Identification and Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBase Model: DO820\u003c\/li\u003e\n\u003cli\u003ePart Number: 3BSE008514R1\u003c\/li\u003e\n\u003cli\u003eOutput Type: Relay (Normally Open)\u003c\/li\u003e\n\u003cli\u003eSeries: S800 I\/O\u003c\/li\u003e\n\u003c\/ul\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\u003eDO820 (3BSE008514R1)\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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.22 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e4.5 x 10.5 x 12 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eSubject to S800 environmental standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.9 W (Typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e24-230 VAC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e2000 VAC (Dielectric test)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Communication and Deterministic Performance\u003c\/h3\u003e\n\u003cp\u003eThe DO820 integrates with the S800 I\/O backplane to facilitate deterministic network control. The module architecture is engineered for I\/O density scaling, allowing for coherent integration into existing control nodes without exceeding backplane power budgets. Firmware compatibility ensures stable bus communication, with specific attention to synchronization within the Modulebus. The logic interface is optimized for deterministic response times, maintaining status consistency under varying load conditions.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 unit: DO820 Digital Output Module\u003c\/li\u003e\n\u003cli\u003e1 set: Technical documentation and conformity certificates\u003c\/li\u003e\n\u003cli\u003e1 unit: Protective dust cover for Modulebus connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation and Operational Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMechanical Installation:\n\u003cul\u003e\n\u003cli\u003eEnsure the S800 Module Termination Unit (MTU) is properly secured to the DIN rail.\u003c\/li\u003e\n\u003cli\u003eAlign the DO820 connector with the MTU backplane slot and lock the mechanical latch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWiring and Signal Routing:\n\u003cul\u003e\n\u003cli\u003eMaximize field cable distance up to 600 meters, ensuring appropriate gauge for current load.\u003c\/li\u003e\n\u003cli\u003eUtilize shielded conductors for high-voltage (230 VAC) paths to comply with electromagnetic compatibility (EMC) requirements.\u003c\/li\u003e\n\u003cli\u003eVerify individual channel isolation before applying field power to prevent cross-channel voltage back-feed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Is the DO820 capable of hot-swapping?\u003c\/p\u003e\n\u003cp\u003eA: Yes, this module supports hot-swapping within the S800 I\/O system, allowing for replacement without interrupting the power to the backplane or the primary controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the rated switching current for the relay contacts?\u003c\/p\u003e\n\u003cp\u003eA: Each channel is rated for a continuous switching current of 3 A. Users must derate this based on load type (inductive vs. resistive).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Are the channels individually isolated?\u003c\/p\u003e\n\u003cp\u003eA: Yes, each of the 8 channels features galvanic isolation to prevent fault propagation between independent field circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: How much current does the module draw from the backplane?\u003c\/p\u003e\n\u003cp\u003eA: The module consumes 60 mA from the +5 V supply and 140 mA from the +24 V Modulebus rail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the function of the 2000 VAC dielectric test rating?\u003c\/p\u003e\n\u003cp\u003eA: This verifies the insulation integrity of the galvanic barrier, ensuring safety and signal isolation under high-voltage conditions up to 250 VAC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Does this module support redundant configuration?\u003c\/p\u003e\n\u003cp\u003eA: Yes, when utilized with appropriate S800 MTUs and system controller settings, this module supports redundant output pair configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: What is the event recording accuracy?\u003c\/p\u003e\n\u003cp\u003eA: The module maintains an event recording accuracy of -0 ms to +1.3 ms, sufficient for standard sequence-of-event (SOE) tracking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eQ: Is the relay contact configuration fixed?\u003c\/p\u003e\n\u003cp\u003eA: The DO820 provides Normally Open (N.O.) contact outputs for all 8 channels as standard.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021158600877,"sku":"3BSE008514R1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/DO820-1.jpg?v=1783414357","url":"https:\/\/www.maxwellplc.com\/ga\/products\/do820-3bse008514r1-abb-digital-output-relay-module-s800-i-o","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}