{"product_id":"siemens-6es7231-5qd32-0xb0-sm-1231-tc-thermocouple-module","title":"Siemens 6ES7231-5QD32-0XB0 SIMATIC S7-1200 SM 1231 TC 4 AI Thermocouple Module","description":"\u003cp\u003eThe Siemens 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM 1231 TC module with 4 thermocouple input channels supporting Types B, C, E, J, K, N, R, S, T, and TXK\/TXK(L), each resolving to 15 bit plus sign. It draws 40 mA typical and dissipates 1.5 W, with wire-break diagnostics and ±0.1% accuracy at 25°C across the total measurement range.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e6ES7231-5QD32-0XB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7-1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type Designation\u003c\/td\u003e\n\u003ctd\u003eSM 1231, AI 4x16 bit TC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e4, thermocouple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermocouple Types Supported\u003c\/td\u003e\n\u003ctd\u003eB, C, E, J, K, N, R, S, T, TXK\/TXK(L) to GOST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Input Range\u003c\/td\u003e\n\u003ctd\u003e-80 mV to +80 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance, Voltage Range\u003c\/td\u003e\n\u003ctd\u003e≥1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution, max. (with overrange)\u003c\/td\u003e\n\u003ctd\u003e15 bit + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eIntegrating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterference Voltage Suppression\u003c\/td\u003e\n\u003ctd\u003e85 dB at 50\/60\/400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Error\u003c\/td\u003e\n\u003ctd\u003e±0.1% at 25°C, ±0.2% to 55°C, total measurement range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeat Accuracy at 25°C\u003c\/td\u003e\n\u003ctd\u003e±0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Mode Interference Suppression, min.\u003c\/td\u003e\n\u003ctd\u003e120 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire-Break Diagnostics\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage Monitoring\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDegree of Protection\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage, Rated (DC)\u003c\/td\u003e\n\u003ctd\u003e24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption, typ.\u003c\/td\u003e\n\u003ctd\u003e40 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss, typ.\u003c\/td\u003e\n\u003ctd\u003e1.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions, W x H x D\u003c\/td\u003e\n\u003ctd\u003e45 x 100 x 75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight, approx.\u003c\/td\u003e\n\u003ctd\u003e180 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCertifications \u0026amp; Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCE\u003c\/li\u003e\n\u003cli\u003eCSA\u003c\/li\u003e\n\u003cli\u003eUL\u003c\/li\u003e\n\u003cli\u003ecULus\u003c\/li\u003e\n\u003cli\u003eFM\u003c\/li\u003e\n\u003cli\u003eRCM\u003c\/li\u003e\n\u003cli\u003eKC\u003c\/li\u003e\n\u003cli\u003eMarine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eWith 4 channels against the SB 1231 TC signal board's single channel, the SM 1231 TC suits multi-zone temperature monitoring -- a 4-zone oven or extruder barrel, for example -- from one module instead of stacking signal boards across several CPUs. It also supports the full thermocouple type range (B, C, E, J, K, N, R, S, T, TXK\/TXK(L)), so mixed sensor types on the same machine can share one module rather than needing type-specific hardware. As a rack-mounted SM rather than a CPU signal board, it needs a free signal-module slot and a wider footprint (45 x 100 x 75 mm) -- confirm rack space before specifying it on a 1212C, which supports fewer signal modules than the 1214C\/1215C.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eMulti-zone oven or furnace temperature monitoring, extruder barrel zone control, or any S7-1200 station needing 4 or more thermocouple channels of mixed sensor type.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960782086427,"sku":"6ES7231-5QD32-0XB0","price":434.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7231-5qd32-0xb0-sm-1231-tc-thermocouple-module.png?v=1789663455","url":"https:\/\/stoklink.com\/products\/siemens-6es7231-5qd32-0xb0-sm-1231-tc-thermocouple-module","provider":"Stoklink","version":"1.0","type":"link"}