{"product_id":"abb-ai845-analog-input-module-8-channel","title":"ABB AI845 Analog Input Module | 8-Channel","description":"\u003ch2\u003eABB AI845 Analog Input Module: Redundant-Capable HART Input\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB AI845\u003c\/strong\u003e Analog Input Module provides reliable signal acquisition for both standard and critical applications. This versatile module supports single or redundant operation with advanced diagnostics and HART communication capabilities.\u003c\/p\u003e\n\u003ch3\u003eFlexible Input Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEight configurable channels for voltage or current signals\u003c\/li\u003e\n\u003cli\u003eSupports 0-20 mA, 4-20 mA, 0-5 V, and 1-5 V DC signals\u003c\/li\u003e\n\u003cli\u003eWith MTU TU844 or TU845: \u003cspan style=\"color: #ff6600;\"\u003emixed voltage\/current\u003c\/span\u003e per channel\u003c\/li\u003e\n\u003cli\u003eWith other MTUs: all channels as voltage or current inputs\u003c\/li\u003e\n\u003cli\u003eUnipolar single-ended signal type for standard applications\u003c\/li\u003e\n\u003cli\u003eHigh input impedance: 10 MΩ for voltage measurements\u003c\/li\u003e\n\u003cli\u003eStandard 250 Ω input resistance for current loops\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRedundant Operation \u0026amp; Safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports both \u003cspan style=\"color: #ff6600;\"\u003esingle and redundant operation\u003c\/span\u003e modes\u003c\/li\u003e\n\u003cli\u003eBuilt-in redundancy for critical process applications\u003c\/li\u003e\n\u003cli\u003eWithstands overvoltage\/undervoltage up to 11V DC\u003c\/li\u003e\n\u003cli\u003eGroup-wise isolation from ground for enhanced safety\u003c\/li\u003e\n\u003cli\u003eRated insulation voltage: 50V for industrial safety\u003c\/li\u003e\n\u003cli\u003eDielectric test voltage: 500V AC for insulation integrity\u003c\/li\u003e\n\u003cli\u003eCurrent-limited transmitter supply per channel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Performance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #ff6600;\"\u003e12-bit resolution\u003c\/span\u003e for precise measurement accuracy\u003c\/li\u003e\n\u003cli\u003eMaximum error: 0.1% for reliable process monitoring\u003c\/li\u003e\n\u003cli\u003eLow temperature drift: maximum 50 ppm\/°C\u003c\/li\u003e\n\u003cli\u003eInput filter: 290 ms rise time (0-90%) for signal stability\u003c\/li\u003e\n\u003cli\u003eFast update cycle time: 10 ms for responsive control\u003c\/li\u003e\n\u003cli\u003eExcellent NMRR \u0026gt; 40 dB at 50Hz\/60Hz for noise rejection\u003c\/li\u003e\n\u003cli\u003eField cable length up to 600 meters (656 yards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePower Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower dissipation: 3.5 W for efficient operation\u003c\/li\u003e\n\u003cli\u003eCurrent consumption: 100 mA from +5V Modulebus\u003c\/li\u003e\n\u003cli\u003eAdditional 50 mA from +24V Modulebus supply\u003c\/li\u003e\n\u003cli\u003eExternal +24V consumption: maximum 265 mA\u003c\/li\u003e\n\u003cli\u003eCurrent-limited transmitter supply per channel\u003c\/li\u003e\n\u003cli\u003eSupervised external power supply monitoring\u003c\/li\u003e\n\u003cli\u003eRobust power management for reliable operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating temperature: 0 to +55°C (32 to 131°F)\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -40 to +70°C (-40 to 158°F)\u003c\/li\u003e\n\u003cli\u003eRelative humidity: 5 to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003eIP20 protection rating per IEC 60529 standard\u003c\/li\u003e\n\u003cli\u003eISA-S71.04 G3 corrosion protection level\u003c\/li\u003e\n\u003cli\u003ePollution degree 2 per IEC 60664-1\u003c\/li\u003e\n\u003cli\u003eSuitable for industrial control environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide MTU compatibility: TU810, TU812, TU814, TU818, TU830, TU833\u003c\/li\u003e\n\u003cli\u003eAlso compatible with TU835, TU838, TU844, TU845, TU854\u003c\/li\u003e\n\u003cli\u003eKeying code CC ensures proper module insertion\u003c\/li\u003e\n\u003cli\u003eCompact S800 mechanics: 45mm × 102mm × 119mm\u003c\/li\u003e\n\u003cli\u003eLightweight design: 0.23 kg (0.51 lbs)\u003c\/li\u003e\n\u003cli\u003eArticle number: 3BSE023675R1 for identification\u003c\/li\u003e\n\u003cli\u003eSeamless ABB S800 system integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRange Monitoring\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUnder\/over range monitoring for all signal types\u003c\/li\u003e\n\u003cli\u003e0-20 mA and 0-5 V: 0% \/ +15% range limits\u003c\/li\u003e\n\u003cli\u003e4-20 mA and 1-5 V: -12.5% \/ +15% range limits\u003c\/li\u003e\n\u003cli\u003eEarly warning for signal deviation detection\u003c\/li\u003e\n\u003cli\u003ePrevents undetected sensor or signal failures\u003c\/li\u003e\n\u003cli\u003eEnables predictive maintenance capabilities\u003c\/li\u003e\n\u003cli\u003eEnhances overall system reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes the AI845 suitable for redundant applications?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eAI845\u003c\/strong\u003e supports both single and redundant operation modes with built-in redundancy capabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the module support HART communication?\u003c\/strong\u003e\u003cbr\u003eYes, it features HART pass-through communication on all eight input channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I mix voltage and current inputs on the same module?\u003c\/strong\u003e\u003cbr\u003eYes, when using MTU TU844 or TU845, you can mix signal types per channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat diagnostic capabilities are available?\u003c\/strong\u003e\u003cbr\u003eAdvanced diagnostics include module, internal channel, and external channel error monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the maximum update rate?\u003c\/strong\u003e\u003cbr\u003eThe module provides a fast 10 ms update cycle time for responsive control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2025 AutoNex Controls Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.autonexcontrol.com\/\"\u003ehttps:\/\/www.autonexcontrol.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45315899654305,"sku":"AI845","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/AI845.jpg?v=1762324175","url":"https:\/\/www.autonexcontrol.com\/az\/products\/abb-ai845-analog-input-module-8-channel","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}