{"product_id":"di811-3bse008552r1-abb-s800-48v-di-module-in-stock","title":"DI811 3BSE008552R1 ABB S800 48V DI Module In Stock","description":"\u003ch3\u003eExecutive Summary\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811 3BSE008552R1\u003c\/strong\u003e\u003c\/span\u003e is a high-density 16-channel digital input board designed for 48 V d.c. signal acquisition within the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eABB \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/s800-i-o\"\u003eS800 I\/O Series\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e platform. Operating with a current-sinking circuit topology, this module processes field status signals across automated power distribution, turbine control, and substation safety architectures.\u003c\/p\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811\u003c\/strong\u003e\u003c\/span\u003e interface architecture features dual isolated bank channels equipped with real-time process voltage monitoring to prevent silent signal loss in high-reliability industrial control networks.\u003c\/p\u003e\n\u003ch3\u003eCore Architecture \u0026amp; Operating Principles\u003c\/h3\u003e\n\u003cp\u003eEach individual channel within the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811 3BSE008552R1\u003c\/strong\u003e\u003c\/span\u003e incorporates internal current-limiting components, dedicated EMC filtering, status LED drive circuitry, and an optical isolation barrier. Optocouplers isolate incoming 48 V d.c. field voltages from the sensitive +5 V ModuleBus backplane, preventing severe voltage transients from damaging controller CPUs.\u003c\/p\u003e\n\u003cp\u003eThe module integrates two distinct voltage supervision inputs—one assigned to each 8-channel group. When field supply power drops below operational thresholds, the onboard hardware flags a process voltage error, transmitting channel fault signals directly across the ModuleBus backplane for rapid DCS alarm logging.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 15px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6; width: 30%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eABB\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eS800 I\/O System\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eArticle \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e3BSE008552R1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eChannel Density \u0026amp; Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e16 Channels, Current Sinking Digital Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eNominal Signal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e48 V d.c. (Operating input span: 36 to 60 V d.c.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eInput Voltage Thresholds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003eLogic \"0\": -60 to +10 V | Logic \"1\": 30 to 60 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eInput Impedance \u0026amp; Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e11 kΩ Nominal | 4 mA per channel at 48 V d.c.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eIsolation Architecture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e2 groups of 8 channels; groupwise isolated from ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eDigital Filter Delay Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003eSelectable via software: 2 ms, 4 ms, 8 ms, 16 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eMaximum Cable Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e600 meters (656 yards) field wiring length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003ePower Dissipation \u0026amp; Backplane Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003eTyp. 2.7 W | 50 mA @ +5 V ModuleBus supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eInsulation \u0026amp; Dielectric Test\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e50 V rated insulation | 500 V a.c. dielectric withstand test\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eMechanical \u0026amp; Environmental\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003eIP20 casing | 0 to +55 °C operating | ISA-S71.04 Class G3 corrosive protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003e\u003cstrong\u003eCertifications \u0026amp; Approvals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dee2e6;\"\u003eCE, ATEX Zone 2, C1 Div 2 cULus, Marine (ABS, BV, DNV, LR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical Compatibility \u0026amp; MTU Matching\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811 3BSE008552R1\u003c\/strong\u003e\u003c\/span\u003e module utilizes mechanical keying code \u003cstrong\u003eBD\u003c\/strong\u003e to prevent mis-insertion into incorrect base units. It snaps directly onto standard S800 Module Terminal Units (MTUs):\u003c\/p\u003e\n\u003cul style=\"list-style-type: none; padding-left: 0;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCompatible Baseplate Units (MTUs)\u003c\/strong\u003e\n\u003cul style=\"list-style-type: square; margin-top: 4px; padding-left: 25px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Compact MTUs:\u003c\/strong\u003e TU810, TU810V1, TU812, TU814, TU818\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended \u0026amp; Special MTUs:\u003c\/strong\u003e TU830, TU833, TU838, TU850\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTarget Equipment, Applications \u0026amp; Diagnostic Capabilities\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811\u003c\/strong\u003e\u003c\/span\u003e 48 V d.c. sink input profile fits critical power generation and utility automation environments where higher voltage d.c. control loops are preferred to minimize long-distance line drops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTarget Machinery \u0026amp; Scenarios:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHydroelectric dam power distribution status panels and auxiliary relay monitoring.\u003c\/li\u003e\n\u003cli\u003eHigh-voltage electrical substation breaker contact feedback networks.\u003c\/li\u003e\n\u003cli\u003eIndustrial turbine trip systems utilizing 48 V control power banks.\u003c\/li\u003e\n\u003cli\u003eMarine engine room auxiliary alarms certified under DNV, ABS, or BV standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic \u0026amp; Fault Handling Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront LED Indications:\u003c\/strong\u003e Provides immediate visual status via F (Fault), R (Run), W (Warning), and individual Channel LEDs (1 through 16).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroup Supervision Inputs:\u003c\/strong\u003e Continually checks field power feed per bank, raising Module Error, Module Warning, or Channel Error flags over the ModuleBus if auxiliary supply fails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISA-S71.04 G3 Conformal Coating:\u003c\/strong\u003e Withstands harsh airborne chemical environments containing corrosive hydrogen sulfide or sulfur dioxide gases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eWhen engineering or retrofitting circuits with the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811 3BSE008552R1\u003c\/strong\u003e\u003c\/span\u003e module, keep these operational details in mind:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e1. Thermal Derating in Compact MTUs:\u003c\/strong\u003e While the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811\u003c\/strong\u003e\u003c\/span\u003e is rated up to +55 °C in standard horizontal layouts, vertical mounting inside compact MTUs (like the TU810V1) caps maximum ambient operating temperature at +40 °C (104 °F). Ensure cabinet fan circulation prevents localized thermal pocketing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. 48V Power Supply Supervision Line Wiring:\u003c\/strong\u003e To fully leverage process voltage diagnostics, field technicians must wire the dedicated group supervision terminal on the MTU to the target 48 V d.c. bus. Leaving this terminal disconnected results in false \"Process Voltage Disappeared\" diagnostic warnings across Control Builder engineering software.\u003c\/p\u003e\n\u003ch3\u003eLogistics, Packaging \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Guarantee:\u003c\/strong\u003e Backed by a full \u003cstrong\u003e12 Months Warranty\u003c\/strong\u003e against hardware defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Fulfillment:\u003c\/strong\u003e Ready-to-ship stock dispatched within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorldwide Express Shipping:\u003c\/strong\u003e Global air transport managed via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, or \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Packaging:\u003c\/strong\u003e Delivered in ESD-protective boxing designed for harsh transit handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSelection Guide \u0026amp; Technical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSelection Guide: What is the main difference between the DI810 and the \u003cspan style=\"color: #0056b3;\"\u003eDI811\u003c\/span\u003e digital input modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe primary difference is field signal voltage. The DI810 module is designed for standard 24 V d.c. signals, whereas the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eDI811 3BSE008552R1\u003c\/strong\u003e\u003c\/span\u003e specifically targets higher voltage 48 V d.c. field contact circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does digital filter time configuration help reduce false input trips?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe software-selectable filter time (2, 4, 8, or 16 ms) allows engineers to mask mechanical contact bounce from field switches or electrical noise pulses before the signal state is passed into the control application logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if field wiring exceeds the 600-meter limit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExceeding 600 meters increases total cable capacitance and resistance. This can cause voltage drops that drop signal levels below the 30 V d.c. threshold required for a valid logic \"1\", leading to intermittent input detection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs external +24 V power required to operate the logic side of the \u003cspan style=\"color: #0056b3;\"\u003eDI811\u003c\/span\u003e module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The internal logic circuits are powered directly from the +5 V ModuleBus backplane (consuming 50 mA). External +24 V ModuleBus power consumption is 0 mA.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install the \u003cspan style=\"color: #0056b3;\"\u003eDI811 3BSE008552R1\u003c\/span\u003e into a hazardous area panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided the installation cabinet meets local ATEX Zone 2 or Class I, Division 2 \/ Zone 2 hazardous location requirements per cULus standards.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45394533089462,"sku":"DI811","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/DI811.jpg?v=1788148392","url":"https:\/\/www.plcsparehub.com\/products\/di811-3bse008552r1-abb-s800-48v-di-module-in-stock","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}