{"product_id":"allen-bradley-1746-btm-slc-500-temperature-control-module","title":"Allen-Bradley 1746-BTM | SLC 500 Temperature Control Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1746-BTM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Barrel Temperature Control Module engineered for the SLC 500 platform. It provides four thermocouple analog inputs, each serving as a controlled variable in a dedicated PID loop for precise temperature regulation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-BTM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates with a backplane current draw of 110 mA at 5 Volts and 85 mA at 24 Volts. Its inputs support thermocouple types J and K with voltage ranges of -50 to 50 mV and -100 to 100 mV. It offers a 16-bit resolution using Sigma-Delta A\/D conversion and ensures reliable isolation with 1000 Volts channel-to-channel protection. The module features an 8 Hz bandwidth and integrates seamlessly into any chassis slot except Channel 0.\u003c\/p\u003e\n\u003ch3\u003eFeatures and Performance\u003c\/h3\u003e\n\u003cp\u003eThis module supports tuning-assisted process algorithms and PID calculations directly within the hardware, reducing processor load. Each loop provides either a numeric manipulated variable output or a time-proportioned output, which can be directed to an analog or digital output module. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-BTM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes auto-calibration, self-diagnostics, and detection of open thermocouple circuits, ensuring high system reliability.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1746-BTM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis specifically optimized for extrusion and molding processes requiring precise barrel temperature management. It maintains closed-loop control with autotuned PID loops, making it essential for industries that depend on stable heating and cooling cycles.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and Connections\u003c\/h3\u003e\n\u003cp\u003eThis module works with all SLC 500 processors except the SLC 5\/01 and requires the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-RT32\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econnection hardware for installation. It occupies a single slot, ensuring efficient use of chassis space in compact control panels.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50638806057256,"sku":"1746-BTM","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/1746-BTM1.jpg?v=1757662295","url":"https:\/\/www.powerdcs.com\/products\/allen-bradley-1746-btm-slc-500-temperature-control-module","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}