{"product_id":"allen-bradley-1756-ir6i-controllogix-rtd-input-module","title":"Allen-Bradley 1756-IR6I ControlLogix RTD Input Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IR6I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom Allen-Bradley is a high-accuracy isolated RTD input module developed for the ControlLogix automation platform. This module provides six individually isolated analog input channels designed for resistance temperature detector (RTD) and direct resistance measurement applications in industrial process control systems.\u003c\/p\u003e\n\u003cp\u003eEngineered for temperature monitoring environments requiring electrical isolation and stable signal processing, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-IR6I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports multiple RTD sensor standards including platinum, nickel, and copper elements. The module offers 16-bit conversion accuracy and flexible data handling through integer and IEEE 32-bit floating-point formats.\u003c\/p\u003e\n\u003cp\u003eIts isolated channel architecture improves measurement reliability in electrically noisy environments and reduces signal interference between field devices.\u003c\/p\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eIsolated RTD Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1756-IR6I\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e612598172306\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e6 Individually Isolated Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Type\u003c\/td\u003e\n\u003ctd\u003eRTD and Resistance Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Resolution\u003c\/td\u003e\n\u003ctd\u003e16-Bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensor Types\u003c\/td\u003e\n\u003ctd\u003ePlatinum, Nickel, Copper RTDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatinum RTD Support\u003c\/td\u003e\n\u003ctd\u003e100, 200, 500, 1000 Ω (α = 0.00385)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatinum RTD Alternative\u003c\/td\u003e\n\u003ctd\u003e100, 200, 500, 1000 Ω (α = 0.003916)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNickel RTD Support\u003c\/td\u003e\n\u003ctd\u003e120 Ω (α = 0.00672)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNickel RTD Alternative\u003c\/td\u003e\n\u003ctd\u003e100, 120, 200, 500 Ω (α = 0.00618)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCopper RTD Support\u003c\/td\u003e\n\u003ctd\u003e10 Ω Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Measurement Ranges\u003c\/td\u003e\n\u003ctd\u003e1–487 Ω, 2–1000 Ω, 4–2000 Ω, 8–4000 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution Scaling\u003c\/td\u003e\n\u003ctd\u003e7.7 mΩ\/bit to 60 mΩ\/bit depending on range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Formats\u003c\/td\u003e\n\u003ctd\u003eInteger (2’s Complement), IEEE 32-Bit Floating Point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Scan Time\u003c\/td\u003e\n\u003ctd\u003e10 ms Integer Mode (Ohms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloating Point Scan Time\u003c\/td\u003e\n\u003ctd\u003e25 ms (Resistance), 50 ms (Temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 5V\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 24V\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal 24V Power Consumption\u003c\/td\u003e\n\u003ctd\u003e125 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e4.3 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Input Current\u003c\/td\u003e\n\u003ctd\u003e2.75 mA Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Current\u003c\/td\u003e\n\u003ctd\u003e1.2 mA at 30V AC \/ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Block Compatibility\u003c\/td\u003e\n\u003ctd\u003e1756-TBNH, 1756-TBSH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e20-Pin RTD Terminal Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e1.5 × 6.0 × 5.5 in (3.8 × 15.2 × 14.0 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003eSix isolated RTD and resistance input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with multiple RTD sensor curves and resistance ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e16-bit analog conversion for accurate temperature acquisition\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eElectrical channel isolation improves signal stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports floating-point and integer data processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for ControlLogix chassis-based systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for process temperature monitoring and resistance measurement applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemovable terminal block support for simplified maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSupported RTD Sensor Types\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IR6I\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupports several industrial RTD standards commonly used in temperature control systems:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePlatinum RTDs: 100 Ω, 200 Ω, 500 Ω, 1000 Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNickel RTDs: 100 Ω, 120 Ω, 200 Ω, 500 Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCopper RTDs: 10 Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple temperature coefficient curves supported\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial temperature monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProcess control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical and petrochemical facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFood and beverage processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFurnace and thermal equipment monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater treatment automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-noise industrial environments requiring isolated analog inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat type of sensors can be connected to the 1756-IR6I?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module supports platinum, nickel, and copper RTD sensors, including 100 Ω, 200 Ω, 500 Ω, and 1000 Ω platinum RTDs.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAre the input channels electrically isolated?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. Each of the six input channels is individually isolated to improve noise immunity and measurement reliability.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhich ControlLogix terminal blocks are compatible?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module supports Allen-Bradley 1756-TBNH and 1756-TBSH removable terminal blocks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan the module measure direct resistance values?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. In addition to RTD temperature sensing, the module supports direct resistance measurement across multiple selectable ranges.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43324483469402,"sku":"1756-IR6I","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-IR6I2.jpg?v=1778124563","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-ir6i-controllogix-rtd-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}