{"product_id":"siemens-6es7231-5pd50-0xb0-sm-1231-rtd-ai-4x-io-module","title":"Siemens 6ES7231-5PD50-0XB0 SIMATIC S7-1200 SM 1231 RTD AI 4x 16-Bit PLC I\/O Module","description":"\u003cp\u003eThe Siemens 6ES7231-5PD50-0XB0 is a SIMATIC S7-1200 SM 1231 RTD signal module with 4 analog inputs for resistance thermometers, supporting Pt10 through Pt1000, Ni, Cu, and LG-Ni sensor types plus direct resistance measurement up to 600 ohms. Resolution is 15 bit plus sign, with 0.1 percent accuracy at 25 degrees C and a shielded cable length up to 100 m to the sensor.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e6ES7231-5PD50-0XB0\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 RTD 4x 16 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e4, resistance thermometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensor Types\u003c\/td\u003e\n\u003ctd\u003ePt10-Pt1000, Ni100-Ni1000, LG-Ni1000, Cu10-Cu100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Ranges\u003c\/td\u003e\n\u003ctd\u003e150, 300, 600 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e15 bit plus sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eIntegrating, parameterizable integration time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Error (at 25 C)\u003c\/td\u003e\n\u003ctd\u003eplus\/minus 0.1% of full-scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeat Accuracy (at 25 C)\u003c\/td\u003e\n\u003ctd\u003eplus\/minus 0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length, shielded, max.\u003c\/td\u003e\n\u003ctd\u003e100 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC, range 20.4-28.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption, typ.\u003c\/td\u003e\n\u003ctd\u003e15 mA plus 65 mA from backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss, typ.\u003c\/td\u003e\n\u003ctd\u003e0.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation, channels to power supply\u003c\/td\u003e\n\u003ctd\u003eYes, tested at 707 V DC\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\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e30 x 125 x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e169 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\u003eUL\u003c\/li\u003e\n\u003cli\u003ecULus\u003c\/li\u003e\n\u003cli\u003eRCM\u003c\/li\u003e\n\u003cli\u003eKC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe 4-channel RTD input and support for Pt10 through Pt1000, Ni, Cu, and LG-Ni sensor types let one module cover several probe standards without swapping hardware between projects using different temperature sensor brands. The 15-bit plus sign resolution with 0.1 percent accuracy at 25 degrees C suits closed-loop temperature control rather than simple threshold alarming. Because the integration time is parameterizable, a slower setting trades response speed for better noise rejection in electrically noisy cabinets, while a faster setting favors quick-changing process temperatures.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eTemperature measurement in S7-1200-based machine and process control, including HVAC skids, extrusion and thermoforming lines, and any application using Pt100 or Pt1000 RTD probes for closed-loop temperature control.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960781955355,"sku":"6ES7231-5PD50-0XB0","price":423.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7231-5pd50-0xb0-sm-1231-rtd-ai-4x-io-module.png?v=1789664322","url":"https:\/\/stoklink.com\/products\/siemens-6es7231-5pd50-0xb0-sm-1231-rtd-ai-4x-io-module","provider":"Stoklink","version":"1.0","type":"link"}