{"product_id":"siemens-6es7431-7kf10-0ab0-industrial-automation-module","title":"Siemens 6ES7431-7KF10-0AB0 Industrial Automation Module","description":"\u003ch2\u003eProduct Introduction – Siemens 6ES7431-7KF10-0AB0 Analog Input Module\u003c\/h2\u003e\u003cp\u003eWhen your S7-400 control system demands precise temperature and resistance measurements, the \u003cstrong\u003eSiemens 6ES7431-7KF10-0AB0\u003c\/strong\u003e analog input SM 431 delivers reliable performance. This module supports 8 analog inputs with 16-bit resolution, designed specifically for resistance thermometers (Pt100, Ni100, etc.) and resistive sensors. With parameterizable diagnostics and alarm functions, it ensures high system availability in industrial automation.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications Breakdown\u003c\/h2\u003e\u003cp\u003eKey performance parameters of the \u003cstrong\u003eSiemens 6ES7431-7KF10-0AB0\u003c\/strong\u003e include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower consumption:\u003c\/strong\u003e 5 V DC backplane bus, max. 650 mA; typ. power loss 3.3 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog inputs:\u003c\/strong\u003e 8 inputs, all configurable for resistance measurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 16 bit with overrange (including sign)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion time:\u003c\/strong\u003e 20 ms at 50 Hz (entire module, including wire-break detection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput ranges:\u003c\/strong\u003e Supports Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000 with selectable characteristic linearization (Europe\/U.S.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eError limits:\u003c\/strong\u003e Basic error ±0.2 °C at 25 °C; operational error ±1 °C over full temperature range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Parameterizable diagnostic alarm, limit value alarm, and hardware interrupt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Between channels and backplane bus; tested with 500 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 25 mm (W) x 290 mm (H) x 210 mm (D); weight approx. 650 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese specifications make the \u003cstrong\u003eSiemens 6ES7431-7KF10-0AB0\u003c\/strong\u003e ideal for precise temperature monitoring in demanding environments.\u003c\/p\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThis module excels in applications requiring direct resistance measurement. Typical use cases include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature monitoring in chemical processing:\u003c\/strong\u003e Connect Pt100 sensors to track reactor temperatures with high accuracy (±0.2 °C basic error).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHVAC control in large facilities:\u003c\/strong\u003e Use Ni1000 sensors for zone temperature feedback; selectable Europe\/U.S. characteristics simplify integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower generation equipment:\u003c\/strong\u003e Monitor bearing temperatures with Pt100 or Pt500 elements; the module's diagnostic alarms provide early warning of faults.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe \u003cstrong\u003eSiemens 6ES7431-7KF10-0AB0\u003c\/strong\u003e supports both three-wire and four-wire connection for resistance measurement, ensuring flexibility in field wiring.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eMount the \u003cstrong\u003eSiemens 6ES7431-7KF10-0AB0\u003c\/strong\u003e on a standard S7-400 rail. Ensure proper slot assignment and backplane bus connection. For resistance measurements, use shielded cables up to 200 m (or 50 m with ±80 mV ranges). Configure the module via STEP 7: set input ranges, integration time (20 ms at 50 Hz), and enable diagnostic alarms as needed. Verify wire-brake detection by selecting appropriate parameters.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing a \u003cstrong\u003eSiemens 6ES7431-7KF10-0AB0\u003c\/strong\u003e, confirm your S7-400 rack has an available slot and that your power supply can handle the 650 mA load from the backplane bus. This module is a direct replacement for older SM 431 units and upgrades systems requiring higher accuracy or diagnostic capabilities. For technical questions or to order, contact \u003cstrong\u003eubest101\u003c\/strong\u003e – a trusted supplier of industrial automation spares.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":44410554613859,"sku":"6ES7431-7KF10-0AB0","price":232.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/6ES7431-1KF00-0AB0_e1f582e3-038c-45dd-b94c-bd37023e5aa8.jpg?v=1785184015","url":"https:\/\/www.plcsourcepro.com\/products\/siemens-6es7431-7kf10-0ab0-industrial-automation-module","provider":"PLC Source PRO","version":"1.0","type":"link"}