{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7431-7KF10-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7431-7KF10-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7431-7KF10-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7431-7KF10-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 6ES7431-7KF10-0AB0 — now in phase-out and being discontinued, supplied from remaining surplus and broker stock.","salesMarkdown":"## Overview The 6ES7431-7KF10-0AB0 is a Siemens SM 431 analog input module for the S7-400 series, providing 8 inputs with 16-bit resolution and direct support for Ni100, Pt200, Pt500, and Pt1000 RTDs, including selectable Europe/U.S. characteristics for Ni1000. It draws 3.3 W from the backplane, has a 500 V isolation test voltage, and has been RoHS compliant since 02-06-17.","metaTitle":"Siemens 6ES7431-7KF10-0AB0 SM 431 analog input module, 8 ch, RTD","metaDescription":"Siemens 6ES7431-7KF10-0AB0 SM 431 analog input module: 8 inputs, 16-bit, supports Ni100, Pt200, Pt500, Pt1000 RTDs. 3.3 W, 500 V isolation test. RoHS since 02-06-17.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Analog Input Modules"],"specifications":{"Depth":"210 mm","Width":"25 mm","Height":"290 mm","Ni 100":"Yes","Pt 100":"Yes","Pt 200":"Yes","Pt 500":"Yes","Current":"No","Ni 1000":"Yes; Different characteristics selectable: Europe/U.S.","Pt 1000":"Yes","Voltage":"No","Resistance":"Yes","Thermocouple":"No","Shielded, Max.":"200 m; 50 m with thermocouples and input ranges ±80 mV","Parameterizable":"Yes","Weight, approx.":"650 g","lifecycle_stage":"mature","Diagnostic alarm":"Yes; Parameterizable","Power loss, typ.":"3.3 W","Limit value alarm":"Yes","Hardware interrupt":"Yes; Parameterizable","Between The Channels":"No","Diagnostics function":"Yes; Parameterizable","Integration time (ms)":"20 ms at 50 Hz (entire module incl. wire break)","Isolation tested with":"500 V DC","Resistance thermometer":"Yes","Number of analog inputs":"8","Input resistance (Ni 100)":"> 10 000 ohms","Input resistance (Pt 100)":"> 10 000 ohms","Input resistance (Pt 200)":"> 10 000 ohms","Input resistance (Pt 500)":"> 10 000 ohms","Basic conversion time (ms)":"8 / 23 / 25 ms","For Resistance Thermometer":"Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000; different characteristics selectable (Europe/U.S.)","For resistance measurement":"8","Input resistance (Ni 1000)":"> 10 000 ohms","Input resistance (Pt 1000)":"> 10 000 ohms","Diagnostic information readable":"Yes; possible","from backplane bus 5 V DC, max.":"650 mA","Integration time, parameterizable":"Yes","Potential separation analog inputs":"Yes; internal/external","Between The Channels And Backplane Bus":"Yes","For Resistance Measurement With Four-Wire Connection":"Yes","Resolution with overrange (bit including sign), max.":"16 bit","For Resistance Measurement With Three-Wire Connection":"Yes","Resistance thermometer, relative to input range, (+/-)":"±0,2 °C","Basic execution time of the module (all channels released)":"8 ms; 8 / 23 / 25 ms","Constant measurement current for resistance-type transmitter, typ.":"1 mA","Interference voltage suppression for interference frequency f1 in Hz":"none/ 60 / 50 Hz","Permissible Input Voltage For Voltage Input (Destruction Limit), Max.":"35 V; 35 V continuous, 75 V for max. 1 s (mark to space ratio 1:20)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$552.00 – $914.40","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/1aeefb13f504324e70fc71fef68aa8a6.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=229157&mlfb=6ES7431-7KF10-0AB0"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7431-7KF10-0AB0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/6ES7431-7KF10-0AB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-06-29T07:19:29.075Z","lastPublished":"2026-06-29T07:19:29.075Z","indexable":true}}