{"product_id":"do818-abb-s800-i-o-digital-output-module-32-channel-24v-unit","title":"DO818 ABB S800 I\/O Digital Output Module - 32-Channel 24V Unit","description":"\u003ch3\u003e\u003cstrong\u003eExecutive Engineering Summary\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDO818\u003c\/strong\u003e (Article Number: \u003cstrong\u003e3BSE069053R1\u003c\/strong\u003e) engineered within the \u003cstrong\u003eABB \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/s800-i-o\"\u003eS800 I\/O\u003c\/a\u003e\u003c\/strong\u003e architecture is a high-density 32-channel digital output controller designed for robust industrial automation applications. Operating within a 12 to 32 V d.c. voltage envelope, this module delivers a continuous 0.5 A output current per channel across two group-isolated zones. Built-in high-side drivers incorporate independent thermal shutdown and short-circuit protection, minimizing downtime in critical distributed control system (DCS) frameworks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: ABB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Series\u003c\/strong\u003e: S800 I\/O\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e: \u003cstrong\u003eDO818\u003c\/strong\u003e (\u003cstrong\u003e3BSE069053R1\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type\u003c\/strong\u003e: Digital Output Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Density\u003c\/strong\u003e: 32 channels, current sourcing and limiting type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage Range\u003c\/strong\u003e: 12 to 32 V d.c. (Nominally 24 V d.c.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Output Current\u003c\/strong\u003e: 0.5 A per channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Architecture\u003c\/strong\u003e: Groupwise isolated from ground (50 V rated insulation voltage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e: Typical 2.8 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModuleBus Current Draw\u003c\/strong\u003e: 70 mA (+5 V), 0 mA (+24 V internal), 40 mA (+24 V external)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Dimensions\u003c\/strong\u003e: 45 mm (Width) x 119 mm (Height) x 102 mm (Depth)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 0.18 kg (0.4 lbs.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePerformance Metric\u003c\/th\u003e\n\u003cth\u003eEngineering Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement \u0026amp; Output Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 to 32 V d.c. signal output capacity with 0.5 A load handling per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptimized high-speed switching response for fast discrete actuator control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity \u0026amp; Linearity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrecision voltage drop tracking via integrated process supervision inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiscrete 32-bit channel-level operational status mapping via ModuleBus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04 G3 corrosion classification with IEC 60664-1 Pollution Degree 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterference Immunity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComplying with EN 61000-6-2 and EN 61000-6-4 industrial EMC standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eDeployment \u0026amp; Mechanical Integration Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cstrong\u003eDO818\u003c\/strong\u003e module strictly onto designated Termination Units including \u003cstrong\u003eTU818\u003c\/strong\u003e, \u003cstrong\u003eTU819\u003c\/strong\u003e, or \u003cstrong\u003eTU830\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical keying alignment using code \u003cstrong\u003eEA\u003c\/strong\u003e prior to terminal block engagement.\u003c\/li\u003e\n\u003cli\u003eKeep vertical mounting restrictions in mind: maximum ambient temperature drops from 55 °C to 40 °C when utilizing compact MTU structures.\u003c\/li\u003e\n\u003cli\u003eEnsure maximum field cable lengths do not exceed 600 meters (656 yards) to preserve signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommissioning, Maintenance \u0026amp; Diagnostic Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMonitor module health dynamically via front-panel LEDs indicating Fault (F), Run (R), Output Set Point (OSP), and individual Channel 1-32 status.\u003c\/li\u003e\n\u003cli\u003eUtilize process voltage supervision inputs (1 channel per isolated group) to automatically capture voltage drops beneath 12 V.\u003c\/li\u003e\n\u003cli\u003eRead channel-level error flags and module warnings instantly over the internal ModuleBus network.\u003c\/li\u003e\n\u003cli\u003ePerform routine insulation tests at 500 V a.c. during scheduled facility turnarounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Compatibility \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Termination Units\u003c\/strong\u003e: TU818, TU819, TU830\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Safety Compliance\u003c\/strong\u003e: EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Approvals\u003c\/strong\u003e: ABS, BV, DNV, LR certified for harsh marine configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e: RoHS (2011\/65\/EN) and WEEE (2012\/19\/EU) compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal Logistics \u0026amp; Assurance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Terms\u003c\/strong\u003e: Comprehensive 12-month warranty provided on every unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFulfillment Speed\u003c\/strong\u003e: Expedited 24 to 48-hour dispatch processing for urgent replacements.\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Carriers\u003c\/strong\u003e: Secure express transportation handled via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTarget Architecture\u003c\/strong\u003e: Ideal for large-scale distributed control setups in oil refineries, chemical processing plants, and marine power management hubs utilizing ABB S800 I\/O subsystems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuator Control\u003c\/strong\u003e: Successfully drives bank solenoids, high-speed interlocking relays, and localized visual indicator panels requiring high channel density.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineering Insight\u003c\/strong\u003e: Global PLC Spare HUB engineering teams note that intermittent channel error signals on the \u003cstrong\u003eDO818\u003c\/strong\u003e are frequently caused by micro-sags on the external 24V supply rail rather than high-side driver failure. Always verify group-wise voltage supervision inputs via ModuleBus registers before swapping hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eExpert Technical FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuestion: What specific terminal units match the DO818 hardware layout?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The module directly mates with TU818, TU819, and TU830 Termination Units, utilizing mechanical keying code EA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuestion: How does the DO818 handle process voltage failures across its groups?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The unit features two isolated groups with individual voltage supervision inputs that trigger an error signal over the ModuleBus if supply drops below 12 V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuestion: What is the maximum allowable field cable run for this module?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Field wiring can extend up to 600 meters (656 yards) while maintaining full signal stability and compliance with EMC limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuestion: What selection criteria should systems engineers prioritize when purchasing this part?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e Ensure cabinet thermal budgets account for vertical mounting constraints, which require a lower maximum ambient temperature limit of 40 °C in compact MTUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuestion: Why would front diagnostics register an OSP LED state?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAnswer:\u003c\/strong\u003e The Output Set Point (OSP) status flag indicates that the module has entered a safe-state configuration due to a communication fault on the ModuleBus.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45394533122230,"sku":"DO818","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/DO818.jpg?v=1788148404","url":"https:\/\/www.plcsparehub.com\/products\/do818-abb-s800-i-o-digital-output-module-32-channel-24v-unit","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}