{"product_id":"1794-irt8-rockwell-automation-8-port-thermocouple-input","title":"1794-IRT8 Rockwell Automation 8-Port Thermocouple Input","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-IRT8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density, multifunctional analog input module within the FLEX I\/O family. It provides eight highly isolated channels capable of processing Thermocouple, RTD, and millivolt (mV) signals simultaneously. This module eliminates the need for separate RTD and TC cards, offering a consolidated solution for complex thermal monitoring applications. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your industrial process maintains the highest level of signal accuracy and system uptime.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-IRT8 utilizes a 16-bit Sigma-Delta converter to deliver superior noise rejection and measurement precision.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCatalog Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1794-IRT8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Isolated Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eResolution\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16-bit (1 part in 65,536)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTC Types Supported\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJ, K, T, E, R, S, B, N, C, L\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRTD Types Supported\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePt100, Pt200, Pt500, Pt1000, Ni, Cu\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVoltage Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-100 to +100 mV\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAccuracy\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e+\/- 0.1 Percent Full Scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIsolation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChannel-to-Channel and Channel-to-Backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFlexBus Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e250 mA at 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTerminal Base\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1794-TB3G, 1794-TB3GS, 1794-TBN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Input Flexibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1794-IRT8 accepts a mix of RTDs and Thermocouples on a single module. This versatility reduces your spare parts inventory and simplifies the design of heterogeneous temperature control loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIndustrial environments suffer from significant electrical noise and ground loops. This module provides robust channel-to-channel isolation, which prevents a fault on one sensor from propagating to others or damaging the backplane electronics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Resolution Digitization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 16-bit resolution allows the PLC to detect minute temperature shifts. This precision proves critical in pharmaceutical, chemical, and food processing industries where narrow thermal windows determine product quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOn-Machine Distributed I\/O:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAs part of the FLEX I\/O system, the 1794-IRT8 mounts close to the process sensors. This minimizes the length of expensive compensated thermocouple lead wires, significantly reducing installation costs and potential EMI pickup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1794-IRT8 require a specific terminal base?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. You must install the module onto a compatible FLEX I\/O terminal base, such as the 1794-TB3G or 1794-TB3GS. These bases provide the necessary grounding and cold-junction compensation (CJC) required for accurate thermocouple readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix different Thermocouple types (e.g., Type J and Type K) on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. You configure each channel independently via the PLC software (RSLogix 5000\/Studio 5000). This allows you to monitor diverse sensor types across the eight available ports without hardware modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the 1794-IRT8 and the older 1794-IR8?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The 1794-IRT8 is a \"combined\" module. While the 1794-IR8 only supports RTDs and the 1794-IT8 only supports Thermocouples, the 1794-IRT8 supports both, plus millivolt inputs, offering significantly more application flexibility.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43378246549594,"sku":"1794-IRT8","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/32_f009cecd-0834-4e14-8dfe-a566a8b4261f.jpg?v=1778817069","url":"https:\/\/www.spareoil.com\/products\/1794-irt8-rockwell-automation-8-port-thermocouple-input","provider":"SpareOil Automation","version":"1.0","type":"link"}