{"product_id":"3bse008544r1-abb-ai820-analog-input-module-4-channel","title":"3BSE008544R1 ABB AI820 Analog Input Module | 4-Channel","description":"\u003ch2\u003eABB AI820 Analog Input Module: Precision 4-Channel Differential Input\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eABB AI820\u003c\/strong\u003e Analog Input Module delivers high-precision signal acquisition for demanding industrial applications. This advanced module features four differential bipolar inputs with exceptional 14-bit resolution and wide signal range capability.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eAI820\u003c\/strong\u003e provides four differential bipolar input channels for superior noise rejection\u003c\/li\u003e\n\u003cli\u003eIt supports an extensive range of signals from -20 to +20 mA and -10 to +10 V\u003c\/li\u003e\n\u003cli\u003eHigh \u003cspan style=\"color: #ff6600;\"\u003e14-bit resolution plus sign\u003c\/span\u003e ensures exceptional measurement accuracy\u003c\/li\u003e\n\u003cli\u003eVoltage input impedance measures 200 kΩ in common mode and 800 kΩ in normal mode\u003c\/li\u003e\n\u003cli\u003eCurrent input features 250 Ω resistance with robust 5W power-rated sense resistors\u003c\/li\u003e\n\u003cli\u003eThe module withstands accidental normal mode connections up to 30V DC\u003c\/li\u003e\n\u003cli\u003eIt fully supports HART communication across all four input channels\u003c\/li\u003e\n\u003cli\u003eFast 40 ms input filter rise time provides excellent signal stability\u003c\/li\u003e\n\u003cli\u003eSupports field cable lengths up to 600 meters (656 yards)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Signal Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHandles bipolar signals including -20...+20 mA, -10...+10 V, and -5...+5 V\u003c\/li\u003e\n\u003cli\u003eAlso supports unipolar ranges: 0-20 mA, 4-20 mA, 0-10 V, 2-10 V, and 1-5 V\u003c\/li\u003e\n\u003cli\u003eDifferential input design provides superior common-mode noise rejection\u003c\/li\u003e\n\u003cli\u003eUnder\/over range monitoring capability of ±15% for signal validation\u003c\/li\u003e\n\u003cli\u003eMaximum \u003cspan style=\"color: #ff6600;\"\u003eerror margin\u003c\/span\u003e of 0.1% ensures measurement reliability\u003c\/li\u003e\n\u003cli\u003eLow temperature drift: 70 ppm\/°C max for voltage, 50 ppm\/°C max for current\u003c\/li\u003e\n\u003cli\u003eModule distributes external transmitter supply to each channel individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRobust Design and Environmental Ratings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAll four channels feature \u003cspan style=\"color: #ff6600;\"\u003egroup-wise isolation\u003c\/span\u003e from ModuleBus for safety\u003c\/li\u003e\n\u003cli\u003eOperating temperature range spans from 0 to +55°C for reliable performance\u003c\/li\u003e\n\u003cli\u003eStorage temperature range extends from -40 to +70°C for harsh conditions\u003c\/li\u003e\n\u003cli\u003eHandles 5-95% relative humidity in non-condensing environments\u003c\/li\u003e\n\u003cli\u003eIP20 protection rating according to IEC 60529 standards\u003c\/li\u003e\n\u003cli\u003eISA-S71.04 G3 corrosion protection ensures long-term reliability\u003c\/li\u003e\n\u003cli\u003eCompact S800 mechanics design with 45mm width for space efficiency\u003c\/li\u003e\n\u003cli\u003eLightweight construction at only 0.2 kg for easy installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with multiple MTU types including TU810, TU812, TU814, TU830, and TU833\u003c\/li\u003e\n\u003cli\u003eUses keying code BB for proper module identification and prevention of misinsertion\u003c\/li\u003e\n\u003cli\u003eCompact dimensions: 45mm width × 102mm depth × 119mm height\u003c\/li\u003e\n\u003cli\u003eStandard industrial protection class IP20 according to IEC 60529\u003c\/li\u003e\n\u003cli\u003eDesigned for pollution degree 2 environments per IEC 60664-1\u003c\/li\u003e\n\u003cli\u003eDielectric test voltage rating of 500V AC ensures insulation integrity\u003c\/li\u003e\n\u003cli\u003eRated insulation voltage of 50V for safe industrial operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePower Requirements and Diagnostics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower dissipation of 1.7 W for efficient system operation\u003c\/li\u003e\n\u003cli\u003eDraws 80 mA from the +5V Modulebus supply for internal processing\u003c\/li\u003e\n\u003cli\u003eUses 70 mA from external +24V power source for transmitter supply\u003c\/li\u003e\n\u003cli\u003eThree front LED indicators display Fault, Run, and Warning status clearly\u003c\/li\u003e\n\u003cli\u003eComprehensive diagnostics include Module Error and Channel error monitoring\u003c\/li\u003e\n\u003cli\u003eInternal power supply supervision ensures consistent operational reliability\u003c\/li\u003e\n\u003cli\u003eTransmitter power current limiting provided through matched MTU units\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 AI820 different from other analog input modules?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eAI820\u003c\/strong\u003e features true differential bipolar inputs with 14-bit plus sign resolution for high-precision measurements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many input channels does the module provide?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eAI820\u003c\/strong\u003e offers four differential analog input channels with individual signal conditioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat signal ranges are supported?\u003c\/strong\u003e\u003cbr\u003eIt handles both bipolar and unipolar signals including -20...+20 mA, -10...+10 V, and standard 4-20 mA\/0-10 V ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the module protected against wiring errors?\u003c\/strong\u003e\u003cbr\u003eYes, it withstands accidental 30V DC connections and features high-power 5W current sense resistors for protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich MTU units are compatible with this module?\u003c\/strong\u003e\u003cbr\u003eIt works with TU810, TU812, TU814, TU830, and TU833 MTU units using keying code BB.\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":45315780509857,"sku":"3BSE008544R1","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/3BSE008544R1.jpg?v=1762322658","url":"https:\/\/www.autonexcontrol.com\/uk\/products\/3bse008544r1-abb-ai820-analog-input-module-4-channel","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}