{"product_id":"siemens-6es7431-7qh00-0ab0-sm-431-16ai-analog-input","title":"Siemens 6ES7431-7QH00-0AB0 SIMATIC S7-400 SM 431 16AI 16-Bit U\/I\/R\/TC\/RTD Input Module","description":"\u003cp\u003eThe Siemens 6ES7431-7QH00-0AB0 is a SIMATIC S7-400 SM 431 analog input module with 16 isolated channels at up to 16-bit resolution. Each channel is individually parameterizable for voltage, current, resistance, thermocouple, or resistance-thermometer (Pt100\/Pt1000\/Ni100\/Ni1000) measurement, covering five sensor types on a single module, with a parameterizable diagnostic alarm reporting out-of-range readings back to the CPU.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ES7431-7QH00-0AB0\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 S7-400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSM 431\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Analog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Resistance Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution (max, incl. sign)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 bit\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-25 mV to +25 mV up to -10 V to +10 V (10 ranges)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Input Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mA, 4 mA to 20 mA, -20 mA to +20 mA and others\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermocouple Types Supported\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB, E, J, K, L, N, R, S, T, U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance Thermometer Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePt100, Pt200, Pt500, Pt1000, Ni100, Ni1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResistance Input Ranges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-48, 0-150, 0-300, 0-600, 0-6000 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBasic Conversion Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 \/ 20.1 \/ 23.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes, parameterizable diagnostic alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Voltage L+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 V DC, reverse-polarity protected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current from Backplane Bus 5 V DC (max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e700 mA\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\u003e4.5 W\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\u003e200 m (50 m for thermocouples \/ ranges under 80 mV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eChoose this SM 431 variant when a single module must cover more sensor types than a standard analog input card, since it accepts voltage, current, resistance, thermocouple, and resistance-thermometer signals on the same 16 channels rather than a fixed subset. The 16-channel density also halves the module count versus 8-channel SM 431 variants in installations mixing several signal types across one rack, at the cost of losing one channel's worth of terminals per measurement type change during commissioning.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe five supported sensor types on 16 channels suit process racks that combine RTD temperature loops, thermocouple points, and standard 4-20 mA transmitters on one S7-400 slot, common in batch and utility skids. Per-channel parameterization lets each input be reconfigured for a different sensor type without rewiring.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53960603861275,"sku":"6ES7431-7QH00-0AB0","price":3678.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6es7431-7qh00-0ab0-sm-431-16ai-analog-input-module.png?v=1789797980","url":"https:\/\/stoklink.com\/products\/siemens-6es7431-7qh00-0ab0-sm-431-16ai-analog-input","provider":"Stoklink","version":"1.0","type":"link"}