{"product_id":"abb-s800-ai835a-3bse051306r1-8-ch-tc-mv-analog-input-module","title":"ABB S800 AI835A 3BSE051306R1 8-Ch TC\/mV Analog Input Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eABB S800 AI835A\u003c\/span\u003e\u003c\/b\u003e (Article Number: \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e3BSE051306R1\u003c\/span\u003e\u003c\/b\u003e) delivers precise temperature acquisition for industrial process control networks. This high-density analog input module processes eight differential channels for millivolt signals and diverse thermocouple types. Engineers utilize this module to ensure reliable thermal monitoring in critical automation architectures.\u003c\/p\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835A\u003c\/span\u003e\u003c\/b\u003e features dedicated cold junction compensation capabilities on Channel 8. Control systems read local ambient measurements via 4-wire Pt100 RTD sensors or accept remote junction values from application logic. Advanced groupwise isolation safeguards sensitive control loops against ground loops and industrial electrical noise.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter Category\u003c\/th\u003e\n\u003cth\u003eTechnical Specification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eBrand \u0026amp; Model\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eABB AI835A\u003c\/span\u003e\u003c\/b\u003e (Part Number: \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e3BSE051306R1\u003c\/span\u003e\u003c\/b\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModule Series\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/s800-i-o\"\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eABB S800 I\/O\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMeasurement Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 mV to +75 mV linear; TC Types B, C, D, E, J, K, L, N, R, S, T, U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eResolution\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e15 Bits A\/D converter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eLinearity \u0026amp; Accuracy\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMax error 0.1%; Temperature drift typ. 5 ppm\/°C (max 7 ppm\/°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eUpdate cycle 280 + 80*(active channels) ms @ 50 Hz; 250 + 70*(active channels) ms @ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInterference Immunity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCMRR 120 dB (50\/60 Hz); NMRR \u0026gt; 60 dB (50\/60 Hz); Input impedance \u0026gt; 1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Temperature Range\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0 °C to +55 °C (32 °F to +131 °F); Approved for +5 °C to +55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEnvironmental Endurance\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04 Class G3 harsh corrosion protection; Relative humidity 5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePower Dissipation \u0026amp; Supply\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6 W total power dissipation; Modulebus 75 mA @ +5V, 50 mA @ +24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eDiagnostic Capabilities\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFront LED Panel Indicators\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eF (Fault) LED identifies internal module hardware failures.\u003c\/li\u003e\n\u003cli\u003eR (Run) LED confirms operational active status on Modulebus.\u003c\/li\u003e\n\u003cli\u003eW (Warning) LED signals out-of-spec operational parameters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupervision \u0026amp; Protection Mechanics\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eOpen-circuit wire-break monitoring triggers instant field alerts.\u003c\/li\u003e\n\u003cli\u003eReference channel validation continuously monitors internal A\/D health.\u003c\/li\u003e\n\u003cli\u003eCold junction supervision trips when Channel 8 falls below -40 °C or exceeds +100 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eSystem Compatibility\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModule Termination Units (MTUs)\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eFully compatible with MTU model \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU810V1\u003c\/span\u003e\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003eSupports standard bases: \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU810\u003c\/span\u003e\u003c\/b\u003e, \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU812\u003c\/span\u003e\u003c\/b\u003e, \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU814\u003c\/span\u003e\u003c\/b\u003e, and \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU818\u003c\/span\u003e\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003eIntegrates directly with extended units: \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU830\u003c\/span\u003e\u003c\/b\u003e and \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU833\u003c\/span\u003e\u003c\/b\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKeying \u0026amp; Mechanical Alignment\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003ePosition keying code \u003cb\u003eBA\u003c\/b\u003e prevents incorrect module insertion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eInstallation Guide\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMechanical Mounting\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eSnap the Module Termination Unit onto standard DIN rail assemblies.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical keying code \u003cb\u003eBA\u003c\/b\u003e matches the target base slot.\u003c\/li\u003e\n\u003cli\u003ePush the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835A\u003c\/span\u003e\u003c\/b\u003e module firmly into the MTU until plastic latches engage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eField Wiring Practices\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eRoute thermocouple extension wire away from high-voltage AC lines.\u003c\/li\u003e\n\u003cli\u003eGround cable shields properly to prevent common-mode electrical noise.\u003c\/li\u003e\n\u003cli\u003eConnect 4-wire Pt100 RTDs to Channel 8 terminals when configuring local CJ compensation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCommissioning \u0026amp; Maintenance\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eParameter Configuration\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eSet individual channel input types inside the control software system software.\u003c\/li\u003e\n\u003cli\u003eSelect appropriate line frequency filtering options (50 Hz or 60 Hz).\u003c\/li\u003e\n\u003cli\u003eAssign Channel 8 as CJ reference or standard temperature input.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eField Maintenance Procedure\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eInspect front LED indications regularly during routine maintenance cycles.\u003c\/li\u003e\n\u003cli\u003eHot-swap operational modules safely without interrupting system power bus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eCertifications \u0026amp; Standards\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eCompliance \u0026amp; Certification Standards\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eElectrical Safety\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eHazardous Locations\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 1 Division 2 cULus, Class 1 Zone 2 cULus, ATEX Zone 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMarine Approvals\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eABS, BV, DNV, LR certified for maritime environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEMC \u0026amp; Directives\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eEN 61000-6-4, EN 61000-6-2, CE Mark, RoHS 2011\/65\/EU, WEEE 2012\/19\/EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eTypical Application Scenarios\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePetrochemical \u0026amp; Refining\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous temperature monitoring across multi-stage distillation columns.\u003c\/li\u003e\n\u003cli\u003eThermal profiling of high-pressure reactor vessels using Type K thermocouples.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Generation Facilities\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eTurbine exhaust gas tracking using high-temperature Type R and S thermocouples.\u003c\/li\u003e\n\u003cli\u003eBoiler feed water thermal tracking across distributed plant hubs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003ePackage \u0026amp; Delivery Information\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eShipping Logistics\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eOrders dispatch within 24 to 48 hours.\u003c\/li\u003e\n\u003cli\u003eGlobal express shipping via FedEx, UPS, and DHL air networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty \u0026amp; Packaging\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes 12-Month full comprehensive warranty coverage.\u003c\/li\u003e\n\u003cli\u003eShipped in secure anti-static protective packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eOur field engineering team regularly deploys the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eABB AI835A\u003c\/span\u003e\u003c\/b\u003e in high-vibration power plant retrofit projects. During a recent turbine control upgrade, field technicians encountered persistent signal drift caused by ambient temperature swings in field junction boxes. By reconfiguring Channel 8 as a dedicated remote cold junction reference using a 4-wire Pt100 RTD on the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU810V1\u003c\/span\u003e\u003c\/b\u003e MTU, the installation eliminated thermal gradients across field connections. This adjustment stabilized temperature readings across Channels 1 through 7 without adding external signal transmitters.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSelection Guide\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eAI835 vs. AI835A Capability\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835\u003c\/span\u003e\u003c\/b\u003e for standard applications using TC Types B, C, E, J, K, N, R, S, T.\u003c\/li\u003e\n\u003cli\u003eSelect \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835A\u003c\/span\u003e\u003c\/b\u003e (\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e3BSE051306R1\u003c\/span\u003e\u003c\/b\u003e) when application parameters require TC Types D, L, U.\u003c\/li\u003e\n\u003cli\u003eChoose \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835A\u003c\/span\u003e\u003c\/b\u003e if your control software needs dynamic CJ values pushed from logic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTermination Selection\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eMatch module with \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eTU810V1\u003c\/span\u003e\u003c\/b\u003e for compact panel footprints.\u003c\/li\u003e\n\u003cli\u003eSelect 3-wire or 4-wire MTU options depending on field shielding strategies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What is the main operational difference between the AI835 and AI835A modules?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835A\u003c\/span\u003e\u003c\/b\u003e adds support for TC Types D, L, and U. It also allows application software to write fixed CJ compensation values dynamically.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Can I use Channel 8 as a standard thermocouple input instead of a Cold Junction compensation channel?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. When your system uses fixed software compensation, Channel 8 functions identically to Channels 1 through 7.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: How does open-circuit supervision function during a thermocouple wire failure?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module continuously monitors input integrity. A broken wire illuminates the front Warning LED and sends a channel error signal to the controller.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What causes the Warning LED to activate during cold junction measurements on Channel 8?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The warning LED illuminates when Channel 8 reads CJ temperatures below -40 °C (-40 °F) or above +100 °C (+212 °F).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What is the maximum cable distance allowed for thermocouple field wiring on this unit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eAI835A\u003c\/span\u003e\u003c\/b\u003e supports maximum field cable lengths up to 600 meters (656 yards).\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45382118768822,"sku":"AI835A","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/AI835A.jpg?v=1787642602","url":"https:\/\/www.plcsparehub.com\/products\/abb-s800-ai835a-3bse051306r1-8-ch-tc-mv-analog-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}