{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7431-7QH00-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7431-7QH00-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7431-7QH00-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7431-7QH00-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 6ES7431-7QH00-0AB0 — now in phase-out and being discontinued. Supplied from remaining channel stock; full specifications, lifecycle and same-series options are below.","salesMarkdown":"## Overview The 6ES7431-7QH00-0AB0 is a Siemens SM 431 analog input module with 16 inputs, accepting 18 V DC and drawing 4.5 W. It supports RTD types Ni100, Pt200, Pt500, and thermocouple types B, E, J, K, L, N, R, S, T, and U. RoHS compliance dates from 01-03-08. Siemens has not published an official lifecycle status for the 6ES7431-7QH00-0AB0. No direct successor has been announced.","metaTitle":"Siemens 6ES7431-7QH00-0AB0 SM 431 analog input module","metaDescription":"Siemens SM 431 analog input module, 16 inputs, 18 V DC, 4.5 W, supports Ni100, Pt200, Pt500, and thermocouple types B/E/J/K/L/N/R/S/T/U. RoHS since 01-03-08. RFQ for availability.","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","Type B":"Yes","Type E":"Yes","Type J":"Yes","Type K":"Yes","Type L":"Yes","Type N":"Yes","Type R":"Yes","Type S":"Yes","Type T":"Yes","Type U":"Yes","Current":"Yes","Ni 1000":"Yes","Pt 1000":"Yes","Voltage":"Yes","0 to 20 mA":"Yes","1 V to 5 V":"Yes","Resistance":"Yes","-1 V to +1 V":"Yes","-5 V to +5 V":"Yes","0 To 48 Ohms":"Yes","Thermocouple":"Yes","0 To 150 Ohms":"Yes","0 To 300 Ohms":"Yes","0 To 600 Ohms":"Yes","4 mA to 20 mA":"Yes","-10 V to +10 V":"Yes","-5 mA to +5 mA":"Yes","0 To 6000 Ohms":"Yes; Usable up to 5000 Ohm","Shielded, Max.":"200 m; 50 m with thermocouples and input ranges ≤ 80 mV","Parameterizable":"Yes","Weight, approx.":"500 g","lifecycle_stage":"mature","-10 mA to +10 mA":"Yes","-2.5 V to +2.5 V":"Yes","-20 mA to +20 mA":"Yes","-25 mV to +25 mV":"Yes","-50 mV to +50 mV":"Yes","-80 mV to +80 mV":"Yes","Diagnostic alarm":"Yes; Parameterizable","Power loss, typ.":"4.5 W","Rated value (DC)":"24 V; Only required for supplying 2-wire transmitters","For Thermocouples":"Type B, E, J, K, L, N, R, S, T, U","Limit value alarm":"Yes; Parameterizable","-250 mV to +250 mV":"Yes","-500 mV to +500 mV":"Yes","Hardware interrupt":"Yes; Parameterizable","Between The Channels":"No","Diagnostics function":"Yes; Parameterizable","Integration time (ms)":"2,5 / 16,7 / 20 ms","Isolation tested with":"2 120 V DC between bus and L+/M; 2 120 V DC between bus and analog section; 500 V DC between bus and local ground; 500 V DC between analog section and L+/M; 2 120 V DC between analog section and local ground; 2 120 V DC between L+/M and local ground","Resistance thermometer":"Yes","For Voltage Measurement":"Yes; possible","Number of analog inputs":"16","Input resistance (Ni 100)":"1 MΩ","Input resistance (Pt 100)":"1 MΩ","Input resistance (Pt 200)":"1 MΩ","Input resistance (Pt 500)":"1 MΩ","Input resistance (Type B)":"1 MΩ","Input resistance (Type E)":"1 MΩ","Input resistance (Type K)":"1 MΩ","Input resistance (Type L)":"1 MΩ","Input resistance (Type N)":"1 MΩ","Input resistance (Type R)":"1 MΩ","Input resistance (Type S)":"1 MΩ","Input resistance (Type T)":"1 MΩ","Input resistance (Type U)":"1 MΩ","Input resistance (type J)":"1 MΩ","external fault EXTF (red)":"Yes","internal fault INTF (red)":"Yes","Basic conversion time (ms)":"6 / 20,1 / 23,5 ms","For Resistance Thermometer":"Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000","For resistance measurement":"8","Input resistance (Ni 1000)":"1 MΩ","Input resistance (Pt 1000)":"1 MΩ","Reverse polarity protection":"Yes","Input resistance (0 to 20 mA)":"50 Ω","Input resistance (1 V to 5 V)":"1 MΩ","Diagnostic information readable":"Yes","For voltage/current measurement":"16","Input resistance (-1 V to +1 V)":"1 MΩ","Input resistance (-5 V to +5 V)":"1 MΩ","Input resistance (0 to 48 ohms)":"1 MΩ","from backplane bus 5 V DC, max.":"700 mA","Input resistance (0 to 150 ohms)":"1 MΩ","Input resistance (0 to 300 ohms)":"1 MΩ","Input resistance (0 to 600 ohms)":"1 MΩ","Input resistance (4 mA to 20 mA)":"50 Ω","Input resistance (-10 V to +10 V)":"1 MΩ","Input resistance (-5 mA to +5 mA)":"50 Ω","Input resistance (0 to 6000 ohms)":"1 MΩ","Integration time, parameterizable":"Yes","Potential separation analog inputs":"Yes; internal/external","Dynamic Reference Temperature Value":"Yes","Input resistance (-10 mA to +10 mA)":"50 Ω","Input resistance (-2.5 V to +2.5 V)":"1 MΩ","Input resistance (-20 mA to +20 mA)":"50 Ω","Input resistance (-25 mV to +25 mV)":"1 MΩ","Input resistance (-50 mV to +50 mV)":"1 MΩ","Input resistance (-80 mV to +80 mV)":"1 MΩ","Input resistance (-250 mV to +250 mV)":"1 MΩ","Input resistance (-500 mV to +500 mV)":"1 MΩ","Between The Channels And Backplane Bus":"Yes","Current, relative to input range, (+/-)":"0.15 %; at 0 to 20 mA, ±5 mA, ±10 mA, ±20 mA, 4 to 20 mA","Voltage, relative to input range, (+/-)":"0.15 %; ±0.15% at ±250 mV, ±500 mV, ±1 V, ±2.5 V, ±5 V, 1 V to 5 V, ±10 V; ±0.17% at ±80 mV; ±0.19% at ±50 mV; ±0.23% at ±25 mV","Between the channels and load voltage L+":"Yes","from load voltage L+ (without load), max.":"400 mA; for 16 connected, fully controlled 2-wire transmitters","Resistance, relative to input range, (+/-)":"0.15 %; ±0.15 % at 0 to 48 ohms (4-conductor measurement), 0 to 150 ohms (4-conductor measurement), 0 to 300 ohms (4-conductor measurement), 0 to 5000 ohms (4-conductor measurement, in range of 6000 ohms); ±0.3 % at 0 to 300 ohms (3-conductor measurement), 0 to 600 ohms (3-conductor measurement), 0 to 5000 ohms (3-conductor measurement, in range of 6000 ohms)","For Current Measurement As 2-Wire Transducer":"Yes","For Current Measurement As 4-Wire Transducer":"Yes","Thermocouple, relative to input range, (+/-)":"TC Type B (±7.6 K), TC Type R (±4.8 K) TC Type S (±5.4 K), TC Type T (±1.1 K), TC Type E (±1.8 K), TC Type J (±2.3 K), TC Type K (±3.4 K), TC Type U (±1.7 K), TC Type L (±2.3 K), TC Type N (±2.6 K)","external temperature compensation with Pt100":"Yes","Temperature error (relative to input range), (+/-)":"0.004 %/K","For Resistance Measurement With Two-Wire Connection":"Yes; Line resistances are also measured","For Resistance Measurement With Four-Wire Connection":"Yes","Resolution with overrange (bit including sign), max.":"16 bit; 16 / 16 / 16","For Resistance Measurement With Three-Wire Connection":"Yes","Resistance thermometer, relative to input range, (+/-)":"0.3 %","External Temperature Compensation With Compensations Socket":"Yes","Constant measurement current for resistance-type transmitter, typ.":"1.67 mA","Interference voltage suppression for interference frequency f1 in Hz":"400 / 60 / 50 Hz","Permissible Input Current For Current Input (Destruction Limit), Max.":"40 mA","Permissible Input Voltage For Voltage Input (Destruction Limit), Max.":"18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$497.00 – $635.00","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/f1220b38a56c2b096d2f46f4a52a60f9.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=220033&mlfb=6ES7431-7QH00-0AB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7431-7QH00-0AB0/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7431-7QH00-0AB0","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/6ES7431-7QH00-0AB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}