{"product_id":"siemens-simatic-s7-1200-sm-1231-tc-rtd","title":"Siemens SIMATIC S7-1200 SM 1231 TC \u0026 RTD temperature modules","description":"\u003cp class=\"ps-intro\"\u003eThermocouple and resistance-thermometer input modules for convenient temperature measurement with SIMATIC S7-1200.\u003c\/p\u003e\u003ch4 class=\"ps-h\"\u003eKey features\u003c\/h4\u003e\u003cul class=\"ps-feat\"\u003e\n\u003cli\u003e4 or 8 thermocouple inputs (SM 1231 TC)\u003c\/li\u003e\n\u003cli\u003e4 or 8 RTD inputs (SM 1231 RTD)\u003c\/li\u003e\n\u003cli\u003eHigh-resolution temperature acquisition\u003c\/li\u003e\n\u003cli\u003ePlug-in terminal blocks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4 class=\"ps-h\"\u003eSpecifications\u003c\/h4\u003e\u003ctable class=\"ps-kv\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct line\u003c\/th\u003e\n\u003ctd\u003eSIMATIC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eSIMATIC S7-1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModule\u003c\/th\u003e\n\u003ctd\u003eSM 1231\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSignals\u003c\/th\u003e\n\u003ctd\u003eThermocouple \/ RTD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminals\u003c\/th\u003e\n\u003ctd\u003eGold-plated, screw or push-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering\u003c\/th\u003e\n\u003ctd\u003eSTEP 7 (TIA Portal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSource\u003c\/th\u003e\n\u003ctd\u003eSiemens Catalog ST 70 · 2026, p. 231-239\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ctable class=\"ps-src\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-5QD32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Thermocouple (TC) | Channels: 4 AI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-5QF32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: Thermocouple (TC) | Channels: 8 AI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-5PD32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: RTD | Channels: 4 AI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6ES7231-5PF32-0XB0\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eType: RTD | Channels: 8 AI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67534365786402,"sku":"6ES7231-5QD32-0XB0","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0744\/7586\/files\/siemens-simatic-s7-1200-sm-1231-tc-rtd.jpg?v=1792131801","url":"https:\/\/prosourcemro.com\/products\/siemens-simatic-s7-1200-sm-1231-tc-rtd","provider":"ProSource MRO","version":"1.0","type":"link"}