{"product_id":"ai835a-abb-thermocouple-module-cold-junction-compensation","title":"AI835A ABB - Thermocouple Module Cold Junction Compensation","description":"\u003ch2\u003eABB \u003cstrong style=\"color: #2c5aa0;\"\u003eAI835\/AI835A\u003c\/strong\u003e Thermocouple Input Module (\u003cstrong style=\"color: #2c5aa0;\"\u003e3BSE051306R1\u003c\/strong\u003e)\u003c\/h2\u003e\n\u003cp\u003eAdvanced 8-channel differential thermocouple and millivolt measurement module featuring configurable cold junction compensation and comprehensive wire-break detection for precision temperature monitoring applications.\u003c\/p\u003e\n\u003ch3\u003eCore Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Input Configuration:\u003c\/strong\u003e Supports -30 to +75 mV linear range and multiple thermocouple types including B, C, E, J, K, N, R, S, T (AI835A adds D, L, U)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntelligent Cold Junction Compensation:\u003c\/strong\u003e Channel 8 configurable as CJ-channel with 4-wire Pt100 RTD or user-defined fixed temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Precision Conversion:\u003c\/strong\u003e 15-bit resolution analog-to-digital conversion with \u0026gt;1 MΩ input impedance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Diagnostics:\u003c\/strong\u003e Continuous monitoring for wire-break open-circuit conditions and temperature limit alerts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Identification:\u003c\/strong\u003e \u003cstrong style=\"color: #2c5aa0;\"\u003e3BSE051306R1 AI835A \u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Channels:\u003c\/strong\u003e 8 differential inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Ranges:\u003c\/strong\u003e -30 to +75 mV linear, multiple thermocouple types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion Resolution:\u003c\/strong\u003e 15-bit A\/D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Accuracy:\u003c\/strong\u003e Maximum 0.1% error\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSampling Performance:\u003c\/strong\u003e 280-920 ms at 50 Hz, 250-810 ms at 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Immunity:\u003c\/strong\u003e 120 dB CMRR, \u0026gt;60 dB NMRR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Rating:\u003c\/strong\u003e 50V group isolation from ground\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCold Junction Compensation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible CJ Configuration:\u003c\/strong\u003e Channel 8 serves as dedicated cold junction measurement channel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Measurement Options:\u003c\/strong\u003e Local MTU terminal sensing, remote connection unit, or fixed parameter value\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-purpose Channel:\u003c\/strong\u003e Channel 8 functions as standard input when CJ compensation not required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e 1.6W total (75mA +5V, 50mA +24V Modulebus)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Protection:\u003c\/strong\u003e 500V AC dielectric strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Distance:\u003c\/strong\u003e Supports up to 600 meter field wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Stability:\u003c\/strong\u003e Typical 5 ppm\/°C, maximum 7 ppm\/°C drift\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplication Environments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-temperature process monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial furnace and kiln control\u003c\/li\u003e\n\u003cli\u003ePrecision thermal processing systems\u003c\/li\u003e\n\u003cli\u003eMulti-zone temperature profiling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat thermocouple types are supported?\u003c\/h4\u003e\n\u003cp\u003eThe module accommodates types B, C, E, J, K, N, R, S, T, with AI835A adding D, L, U compatibility.\u003c\/p\u003e\n\u003ch4\u003eHow does cold junction compensation work?\u003c\/h4\u003e\n\u003cp\u003eChannel 8 can be designated as CJ-channel using 4-wire Pt100 RTD, remote sensing, or fixed temperature parameter.\u003c\/p\u003e\n\u003ch4\u003eWhat diagnostic monitoring is provided?\u003c\/h4\u003e\n\u003cp\u003eContinuous wire-break detection, reference channel monitoring, and CJ-temperature range validation.\u003c\/p\u003e\n\u003cp\u003eFor pricing and technical support, please contact: \u003ca href=\"mailto:sale@etowonauto.com\"\u003esale@etowonauto.com\u003c\/a\u003e\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51292793798788,"sku":"AI835A","price":136.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/3BSE051306R1-1.jpg?v=1763179153","url":"https:\/\/www.etowonauto.com\/kk\/products\/ai835a-abb-thermocouple-module-cold-junction-compensation","provider":"Etowon Auto","version":"1.0","type":"link"}