{"product_id":"do820-abb-s800-i-o-relay-output-module-8-channel-230v-original","title":"DO820 ABB S800 I\/O Relay Output Module 8-Channel 230V Original","description":"\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFrom a technical standpoint, the \u003cstrong\u003eDO820\u003c\/strong\u003e is the premier choice for mixed-voltage isolation requirements. Its 2000 V a.c. dielectric test rating ensures that different potential levels can coexist in a single \u003cstrong\u003eS800 I\/O\u003c\/strong\u003e rack without risk of cross-talk. A key diagnostic feature is the relay supply voltage supervision; if the 24 V distributed power disappears, the \u003cstrong\u003eDO820\u003c\/strong\u003e immediately triggers a Warning LED and reports the error via the ModuleBus. This level of transparency allows technicians to identify power distribution issues before they escalate into system-wide failures. The built-in OSP (Output Set Predetermined) function further enhances process safety by driving outputs to a known state during communication loss.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Parameters \u0026amp; Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cstrong\u003eABB\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: \u003cstrong\u003eDO820\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number\u003c\/strong\u003e: \u003cstrong\u003e3BSE008514R1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Series\u003c\/strong\u003e: \u003cstrong\u003eS800 I\/O\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e: 8 Isolated Channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Specification\u003c\/strong\u003e: 230 V a.c.\/d.c. (Range: 5 - 250 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output Current\u003c\/strong\u003e: 3 A Continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Type\u003c\/strong\u003e: Individually isolated, channel-to-channel and to common\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDielectric Test Voltage\u003c\/strong\u003e: 2000 V a.c.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Insulation Voltage\u003c\/strong\u003e: 250 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e: 2.9 W (Typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModuleBus Consumption\u003c\/strong\u003e: 60 mA (+5 V) \/ 140 mA (+24 V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection\u003c\/strong\u003e: ISA-S71.04: G3 Rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0°C to +55°C (Vertical mounting: max 40°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; System Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Compatible with \u003cstrong\u003eS800\u003c\/strong\u003e ModuleBus on horizontal or vertical DIN rails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMTU Pairing\u003c\/strong\u003e: Specifically matches with \u003cstrong\u003eTU811V1\u003c\/strong\u003e for standard field wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Cable Length\u003c\/strong\u003e: Supports up to 600 meters (656 yards) without signal degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Swap\u003c\/strong\u003e: Supports ModuleBus online insertion and removal (ensure site safety protocols).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eF (Fault)\u003c\/strong\u003e: Red LED indicates internal module or hardware error.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR (Run)\u003c\/strong\u003e: Green LED indicates active communication and operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eW (Warning)\u003c\/strong\u003e: Yellow LED signals missing 24 V relay supply voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO (OSP)\u003c\/strong\u003e: Yellow LED confirms Output Set Predetermined mode is active.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Status\u003c\/strong\u003e: 8 dedicated LEDs provide real-time relay state indication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSolenoid valve control for oil and gas processing units.\u003c\/li\u003e\n\u003cli\u003eMotor starter interlocking in large-scale water treatment plants.\u003c\/li\u003e\n\u003cli\u003ePower plant auxiliary relaying for non-safety critical shutdown loops.\u003c\/li\u003e\n\u003cli\u003eMarine machinery control requiring high vibration and corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping \u0026amp; Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Logistics\u003c\/strong\u003e: Fast delivery via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch Time\u003c\/strong\u003e: Orders are shipped within 24-48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Period\u003c\/strong\u003e: Guaranteed with a \u003cstrong\u003e12-month professional warranty\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.23 kg (0.5 lbs.) for easy handling and installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Can I control a mix of AC and DC loads on a single \u003cstrong\u003eDO820\u003c\/strong\u003e module?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Yes, since each channel is individually isolated, you can mix different voltage types and levels across the 8 channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e What happens to the \u003cstrong\u003eDO820\u003c\/strong\u003e relays if the controller communication fails?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The OSP (Output Set Predetermined) function will drive the relays to your pre-configured safe state.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Is it possible to disable the 24 V relay power monitoring?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Yes, the supervision can be enabled or disabled via a software parameter through the ModuleBus.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Why does the \u003cstrong\u003eDO820\u003c\/strong\u003e have a lower temp rating for vertical mounting?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Vertical orientation limits natural heat dissipation; reducing the ambient limit to 40°C prevents internal thermal stress.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion:\u003c\/strong\u003e Does the \u003cstrong\u003eDO820\u003c\/strong\u003e support Sequence of Events (SOE) recording?\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e No, this module is a standard digital output; it does not support high-resolution SOE timestamping.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSelection \u0026amp; Buying Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Verification\u003c\/strong\u003e: Ensure your total load per channel does not exceed the 3 A continuous rating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number Check\u003c\/strong\u003e: Verify the \u003cstrong\u003e3BSE008514R1\u003c\/strong\u003e code to ensure you receive the correct S800 hardware revision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCritical Spares\u003c\/strong\u003e: For 24\/7 process industries, maintain one \u003cstrong\u003eDO820\u003c\/strong\u003e in inventory to minimize MTTR (Mean Time To Repair).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment Check\u003c\/strong\u003e: If using in high-sulfur or humid areas, the G3 coating on the \u003cstrong\u003eDO820\u003c\/strong\u003e provides essential protection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45013987000502,"sku":"3BSE008514R1","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/DO820.jpg?v=1775036391","url":"https:\/\/www.plcsparehub.com\/products\/do820-abb-s800-i-o-relay-output-module-8-channel-230v-original","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}