{"product_id":"abb-ai843-industrial-automation-module-stable-industrial","title":"ABB AI843 Industrial Automation Module - Stable Industrial","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe ABB AI843 Thermocouple\/mV Input Module is a high-precision analog input module designed for demanding industrial temperature and millivolt measurements. With 8 differential input channels, it handles linear ranges from -30 mV to +75 mV and supports thermocouple types B, C, E, J, K, L, N, R, S, T, and U. A dedicated Pt100 channel serves as the cold junction reference, ensuring accurate readings across all channels.\u003c\/p\u003e\u003cp\u003eThis module supports both single and redundant operation, making it a versatile choice for critical control systems. Its 16-bit A\/D converter delivers precise data, while continuous wire-break monitoring enhances system reliability.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e8 differential input channels for thermocouple\/mV signals\u003c\/li\u003e\n\u003cli\u003eSingle or redundant operation for high availability\u003c\/li\u003e\n\u003cli\u003eSeparate 4-wire Pt100 channel for cold junction compensation\u003c\/li\u003e\n\u003cli\u003eSupports thermocouple types B, C, E, J, K, L, N, R, S, T, U\u003c\/li\u003e\n\u003cli\u003e16-bit resolution (A\/D converter) for accurate measurement\u003c\/li\u003e\n\u003cli\u003eInput wire-break open-circuit monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle Number\u003c\/td\u003e\n\u003ctd\u003e3BSE028925R1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAnalog Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Specification\u003c\/td\u003e\n\u003ctd\u003e-30..75 mV linear, TC types B, C, E, J, K, L, N, R, S, T, U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanics\u003c\/td\u003e\n\u003ctd\u003eS800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eGroupwise isolated from ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eError\u003c\/td\u003e\n\u003ctd\u003eMax. 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003eTyp. 10 ppm\/°C, Max. 25 ppm\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Filter (rise time 0-90%)\u003c\/td\u003e\n\u003ctd\u003e1.1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Cycle Time\u003c\/td\u003e\n\u003ctd\u003e320 + 80 * (no of active channels) ms at 50 Hz, 267 + 67 * (no of active channels) at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Field Cable Length\u003c\/td\u003e\n\u003ctd\u003e600 meters (656 yards) or max. 500 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCMRR, 50Hz, 60Hz\u003c\/td\u003e\n\u003ctd\u003e100 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNMRR, 50Hz, 60Hz\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 40 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Insulation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Test Voltage\u003c\/td\u003e\n\u003ctd\u003e500 V a.c.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption +5 V Modulebus\u003c\/td\u003e\n\u003ctd\u003e60 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption +24 V Modulebus\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption +24 V external\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e45 mm x 119 mm x 102 mm (111 mm with connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.157 kg (0.35 lbs.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe ABB AI843 excels in temperature monitoring for chemical reactors, furnaces, and heat treatment processes. Its multi-type thermocouple support and cold junction compensation make it ideal for applications requiring accurate temperature profiling, such as in power generation or petrochemical plants.\u003c\/p\u003e\u003cp\u003eIn redundant configurations, the AI843 ensures uninterrupted operation in critical safety loops, minimizing downtime and enhancing process reliability.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup\u003c\/h2\u003e\u003cp\u003eMount the AI843 on an S800 series DIN rail within a suitable I\/O chassis. Connect thermocouples or mV sources to the corresponding MTU (TU818, TU830, TU833, TU842, TU843) using proper wiring practices. Configure each channel's measurement range via the control system. Ensure the cold junction Pt100 is correctly connected for accurate temperature readings.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eRegularly inspect wiring connections for signs of corrosion or looseness. Monitor front LEDs (Fault, Run, Warning) for operational status. Keep the module clean and within specified operating temperatures (0 to +55 °C) to ensure long-term stability. The AI843's robust design and diagnostics minimize unplanned maintenance.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe ABB AI843 integrates seamlessly with ABB S800 I\/O systems and is compatible with MTUs TU818, TU830, TU833, TU842, and TU843. It supports redundant operation and is designed for use with ABB DCS platforms. The module uses a keying code BA for proper slot identification.\u003c\/p\u003e\u003ch2\u003eSelection Guide\u003c\/h2\u003e\u003cp\u003eBefore purchasing, verify your system's compatibility with the AI843 and required MTU. Consider the number of channels and thermocouple types needed. For expert advice and genuine parts, choose PLC Source PRO as your supplier.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default","offer_id":44439777017955,"sku":"AI843","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/AI845.jpg?v=1785889739","url":"https:\/\/www.plcsourcepro.com\/ar\/products\/abb-ai843-industrial-automation-module-stable-industrial","provider":"PLC Source PRO","version":"1.0","type":"link"}