{"product_id":"6es7431-7kf00-0ab0-siemens-sm-431-analog-input-thermocouple","title":"6ES7431-7KF00-0AB0 Siemens SM 431 Analog Input Thermocouple","description":"\u003ch2 style=\"color: #2c3e50; border-bottom: none; padding-bottom: 6px;\"\u003eSiemens \u003cspan style=\"color: #2980b9; font-weight: bold;\"\u003e6ES7431-7KF00-0AB0\u003c\/span\u003e SIMATIC S7-400 Analog Input Module\u003c\/h2\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eSiemens \u003cspan style=\"color: #2980b9; font-weight: bold;\"\u003e6ES7431-7KF00-0AB0\u003c\/span\u003e is a SIMATIC S7-400 analog input module SM 431 with 8 analog inputs. Features 16 bit resolution with 20 ms conversion time. Supports voltage, current, and thermocouple input ranges. Isolated with single rooting, diagnostics, and alarm functions. Parameterizable temperature compensation with internal or external cold junction.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; background: #f8fafc;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #2c3e50; color: white;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ccc;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ccc;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e6ES7431-7KF00-0AB0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSIMATIC S7-400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAnalog Input SM 431\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e16 bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eConversion Time\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e20 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eBackplane Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e1200 mA max at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003ePower Loss\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e4.6 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eVoltage Ranges\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e±20mV to ±10V, 1 to 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eCurrent Ranges\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e±3.2mA to ±20mA, 0 to 20mA, 4 to 20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eThermocouple Types\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eB, E, J, K, L, N, R, S, T, U\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eInternal, external with Pt100 or socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eIntegration Time\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e2.5 \/ 16.7 \/ 20 \/ 100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eInterference Suppression\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e400 \/ 60 \/ 50 \/ 10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eShielded Cable Length\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e200m max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eDiagnostics\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eParameterizable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAlarms\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eDiagnostic, limit value, hardware interrupt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eIsolation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e1500V DC tested\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eDimensions W x H x D\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e25 x 290 x 210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e650 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eInstall module in SIMATIC S7-400 rack. Connect analog signals to front connector. Use shielded cable maximum 200m. Connect cold junction compensation for thermocouples. Verify potential separation between channels and backplane bus. Configure diagnostics, alarms, and limit values per application.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cp\u003e8 analog inputs with 16 bit resolution. Supports voltage, current, and thermocouple inputs. Internal temperature compensation or external with Pt100\/socket. Parameterizable characteristic linearization for thermocouples. Integration time parameterizable with 400\/60\/50\/10 Hz interference suppression. Channel to channel isolation. Diagnostic alarm and limit value alarm functions. Hardware interrupt capability.\u003c\/p\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1:\u003c\/strong\u003e What input types are supported?\u003cbr\u003e\n\u003cstrong\u003eA1:\u003c\/strong\u003e Voltage (±20mV to ±10V, 1 to 5V), current (±3.2mA to ±20mA, 0 to 20mA, 4 to 20mA), and thermocouple (B, E, J, K, L, N, R, S, T, U). No RTD or resistance support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2:\u003c\/strong\u003e How does temperature compensation work?\u003cbr\u003e\n\u003cstrong\u003eA2:\u003c\/strong\u003e Internal temperature compensation standard. External compensation available with Pt100 or compensation socket 6ES7431-7KF00-6AA0. Dynamic reference temperature value supported.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3:\u003c\/strong\u003e What diagnostics are available?\u003cbr\u003e\n\u003cstrong\u003eA3:\u003c\/strong\u003e Parameterizable diagnostics function with diagnostic alarm, limit value alarm, and hardware interrupt. Diagnostic information readable via PLC.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":67855517024388,"sku":"6ES7431-7KF00-0AB0","price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/6ES7431-7KF00-0AB0.jpg?v=1793628179","url":"https:\/\/www.etowonauto.com\/ms\/products\/6es7431-7kf00-0ab0-siemens-sm-431-analog-input-thermocouple","provider":"Etowon Auto","version":"1.0","type":"link"}