{"product_id":"allen-bradley-1794-it8-flex-i-o-thermocouple-module","title":"Allen-Bradley 1794-IT8 FLEX I\/O Thermocouple Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1794-IT8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eby Allen-Bradley is a FLEX I\/O thermocouple and millivolt analog input module designed for high-accuracy temperature and low-level voltage monitoring in industrial automation systems. The module supports eight independently configurable input channels and interfaces directly with multiple thermocouple sensor types as well as millivolt signal devices.\u003c\/p\u003e\n\u003cp\u003eDesigned for distributed I\/O architectures, the module integrates with FLEX I\/O terminal base units and communicates through block transfer operation. Its compact construction and high-resolution analog conversion make it suitable for process monitoring, thermal control systems, furnace applications, and manufacturing environments requiring precise temperature acquisition.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEight thermocouple or millivolt input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with J, K, E, R, N, S, B, C, T, and L thermocouple types\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAccepts low-level analog signals up to ±76.5 mV\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-precision 16-bit analog-to-digital conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports 2’s complement and offset binary data formats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated cold junction compensation support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for FLEX I\/O distributed control platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLED power and diagnostics indication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIN rail mounting through FLEX terminal bases\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eFLEX I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eThermocouple \/ Millivolt Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1794-IT8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 Analog Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e±76.5 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eJ, K, E, R, N, S, B, C, T, L Thermocouples\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Resolution Accuracy\u003c\/td\u003e\n\u003ctd\u003e2.384 µV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Format\u003c\/td\u003e\n\u003ctd\u003e16-bit 2’s Complement or Offset Binary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e850 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexBus Current Draw\u003c\/td\u003e\n\u003ctd\u003e20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e3 W Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e10.2 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Bandwidth\u003c\/td\u003e\n\u003ctd\u003e0 to 2.62 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Throughput\u003c\/td\u003e\n\u003ctd\u003e325 ms Typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Rejection\u003c\/td\u003e\n\u003ctd\u003e-60 dB at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd\u003eRed\/Green Module Status LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Terminal Bases\u003c\/td\u003e\n\u003ctd\u003e1794-TB2, 1794-TB3, 1794-TB3T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeyswitch Position\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Method\u003c\/td\u003e\n\u003ctd\u003eBlock Transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCJC Assembly\u003c\/td\u003e\n\u003ctd\u003e969424-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1794-IT8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule is commonly used in industrial temperature monitoring and precision analog sensing applications, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFurnace and kiln temperature control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFood and beverage processing systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical process automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeat treatment equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePackaging and material handling systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy and utility process monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOEM machinery with distributed I\/O requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is engineered for Allen-Bradley FLEX I\/O platforms and installs onto compatible terminal base units including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1794-TB2\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1794-TB3\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1794-TB3T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt can be integrated with ControlLogix, CompactLogix, PLC-5, and SLC systems through appropriate FLEX I\/O communication adapters.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat signal types does the 1794-IT8 support?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe module accepts thermocouple inputs and low-level millivolt signals within a ±76.5 mV range.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDoes the module provide channel isolation?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe module provides isolation protection suitable for industrial analog signal environments with an isolation voltage rating of 850 VDC.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhich thermocouple types are compatible?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eSupported sensor types include J, K, E, R, N, S, B, C, T, and L thermocouples.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat is required for installation?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe module mounts on FLEX I\/O terminal bases such as the 1794-TB2, 1794-TB3, or 1794-TB3T and requires a compatible FLEX I\/O adapter for network communication.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43334182207578,"sku":"1794-IT8","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1794-IT82.jpg?v=1778230163","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1794-it8-flex-i-o-thermocouple-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}