{"product_id":"siemens-6es7231-4ha30-0xb0-sb-1231-1ai-12-bit","title":"Siemens 6ES7231-4HA30-0XB0 SIMATIC S7-1200 SB 1231 1AI 12-Bit PLC I\/O Module","description":"\u003cp\u003eThe Siemens 6ES7231-4HA30-0XB0 is a SIMATIC S7-1200 signal board (SB 1231) adding one analog input channel, selectable for +\/-10 V, +\/-5 V, +\/-2.5 V voltage ranges or 0-20 mA current, with 11-bit plus sign resolution. It plugs directly into the CPU housing without using rack space, wired through a required front connector.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU \/ Order No.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ES7231-4HA30-0XB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSIMATIC S7-1200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSB 1231, AI 1x12 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1, current or voltage differential input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Input Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-10 V, +\/-5 V, +\/-2.5 V (input resistance greater than or equal to 9 MOhm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 - 20 mA (input resistance greater than or equal to 250 Ohm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 bit + sign, max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCycle Time (all channels), max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e156.25 microsec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Error\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-0.3% at 25 degC, +\/-0.6% up to 55 degC of full range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDestruction Limit (Voltage Input)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-35 V max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDestruction Limit (Current Input)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 mA max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length, shielded, max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 m, twisted pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage (DC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Consumption (backplane bus)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e55 mA typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Loss, typ.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Connector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRequired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature (Operation)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38 x 62 x 21 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight, approx.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 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\u003eOne parameterizable channel covering both voltage (+\/-10 V down to +\/-2.5 V) and 0-20 mA current inputs lets this board read a single transmitter without dedicating a full analog expansion module to it, which matters on S7-1211C\/1212C CPUs with only one signal-board slot. Pick a multi-channel analog input module instead once the panel has more than one analog signal to bring in, since this board's 11-bit-plus-sign resolution and single channel are sized for adding one measurement point, not a full analog I\/O bank.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eReading a single analog transmitter or sensor (0-10 V, 4-20 mA loop within the 0-20 mA range, or a smaller +\/-2.5\/5 V signal) directly into a compact SIMATIC S7-1200 CPU without adding an expansion module.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960780874011,"sku":"6ES7231-4HA30-0XB0","price":87.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7231-4ha30-0xb0-sb-1231-1ai-12-bit-plc-io-module.png?v=1789663868","url":"https:\/\/stoklink.com\/products\/siemens-6es7231-4ha30-0xb0-sb-1231-1ai-12-bit","provider":"Stoklink","version":"1.0","type":"link"}