{"product_id":"siemens-6es7231-5pa30-0xb0-sb-1231-rtd-signal-board","title":"Siemens 6ES7231-5PA30-0XB0 SIMATIC S7-1200 SB 1231 RTD Analog Input Signal Board","description":"\u003cp\u003eThe Siemens 6ES7231-5PA30-0XB0 is a SIMATIC S7-1200 SB 1231 RTD signal board with one analog input for Pt100, Pt200, Pt500, or Pt1000 resistance thermometers, resolving to 15 bits plus sign. It plugs directly onto a S7-1200 CPU, drawing 24V DC at 5mA typical, and reports wire-break diagnostics through the CPU's diagnostic buffer.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrder No. (MLFB)\u003c\/td\u003e\n\u003ctd\u003e6ES7231-5PA30-0XB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e6940408100916\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\u003c\/td\u003e\n\u003ctd\u003eSignal Board (Analog Input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Analog Inputs\u003c\/td\u003e\n\u003ctd\u003e1 (resistance thermometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Ranges\u003c\/td\u003e\n\u003ctd\u003ePt100, Pt200, Pt500, Pt1000; 150\/300\/600 ohm resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e15 bit + sign\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% at 25 °C, ±0.2% to 55 °C (of full range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e5 mA typ. (plus 20 mA from backplane bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss\u003c\/td\u003e\n\u003ctd\u003e0.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eWire-break detection, diagnostic alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Cable Length (shielded)\u003c\/td\u003e\n\u003ctd\u003e100 m, twisted pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e38 x 62 x 21 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e35 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature (Operation)\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 °C (horizontal); -20 to +50 °C (vertical)\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\u003eThe 15-bit-plus-sign resolution across Pt100 through Pt1000 ranges lets this signal board double as a general resistance-thermometer input without swapping modules if the sensor type changes on a retrofit. Because it mounts onto the CPU's signal-board slot rather than the side rack, it adds one RTD channel without consuming a signal-module rack slot — pick a full SM 1231 RTD module instead when the application needs more than one RTD channel. Wire-break diagnostics reported through the CPU's alarm system flag a disconnected sensor before it reads as a plausible-but-wrong temperature.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eAdds Pt100\/Pt1000 temperature sensing to a compact S7-1200 CPU for oven, chiller, motor-winding, or ambient-temperature monitoring where a full I\/O rack slot isn't justified for a single channel.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960781168923,"sku":"6ES7231-5PA30-0XB0","price":134.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7231-5pa30-0xb0-sb-1231-rtd-signal-board.png?v=1789663874","url":"https:\/\/stoklink.com\/products\/siemens-6es7231-5pa30-0xb0-sb-1231-rtd-signal-board","provider":"Stoklink","version":"1.0","type":"link"}