{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7231-5ND32-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7231-5ND32-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7231-5ND32-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7231-5ND32-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens S7-1200 analog input module, 6ES7231-5ND32-0XB0, 4-20 mA / 0-20 mA / ±10V / ±5V / ±2.5V / ±1.25V, 24 V DC, 1.8 W, 45 x 100 x 75 mm.","salesMarkdown":"## Analog input module for S7-1200 — signal ranges and diagnostics The Siemens 6ES7231-5ND32-0XB0 is an analog input module for the S7-1200 PLC family, accepting current signals (4 to 20 mA, 0 to 20 mA) and voltage signals (±10V, ±5V, ±2.5V, ±1.25V) on a single channel. It draws 1.8 W typical from the 24 V DC backplane supply. The module includes parameterizable diagnostics: diagnostic alarm, wire-break detection, and configurable high/low/medium step thresholds for maintenance alerts.","metaTitle":"Siemens 6ES7231-5ND32-0XB0 Analog Input Module, 4-20 mA","metaDescription":"Siemens 6ES7231-5ND32-0XB0 analog input module for S7-1200. Accepts 4-20 mA, 0-20 mA, ±10V, ±5V, ±2.5V, ±1.25V. 24 V DC, 1.8 W. UL, CSA, FM, marine approvals.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog Input Modules"],"specifications":{"Max.":"70 °C","Min.":"-40 °C","Depth":"75 mm","Width":"45 mm","cULus":"Yes","Alarms":"Yes","Height":"100 mm","CE mark":"Yes","Current":"Yes; 4 to 20 mA, 0 to 20 mA","Plastic":"Yes","Voltage":"Yes; ±10V, ±5V, ±2.5V or ±1.25V","Step: low":"Yes","0 to 20 mA":"Yes","Resistance":"No","Step: High":"Yes","Step: None":"Yes","Wire-break":"Yes","FM approval":"Yes","KC approval":"Yes","UL approval":"Yes","-5 V to +5 V":"Yes","CSA approval":"Yes","Step: Medium":"Yes","Thermocouple":"No","4 mA to 20 mA":"Yes","-10 V to +10 V":"Yes","For Maintenance":"Yes","Marine approval":"Yes","Operation, max.":"1 080 hPa","Operation, min.":"795 hPa","Parameterizable":"Yes","Weight, approx.":"180 g","lifecycle_stage":"current","-2.5 V to +2.5 V":"Yes","Diagnostic alarm":"Yes","Power loss, typ.":"1.8 W","Rated value (DC)":"24 V","Fall height, max.":"0.3 m; five times, in product package","-1.25 V to +1.25 V":"Yes","Diagnostics function":"Yes","RCM (formerly C-TICK)":"Yes","Resistance thermometer":"No","IP degree of protection":"IP20","Number of analog inputs":"4; Current or voltage differential inputs","Storage/transport, max.":"1 080 hPa","Storage/transport, min.":"660 hPa","For Status Of The Inputs":"Yes","Required Front Connector":"Yes","Common mode voltage, max.":"12 V","Current consumption, typ.":"65 mA","Vertical Installation, Max.":"50 °C","Vertical Installation, Min.":"-20 °C","Horizontal Installation, Max.":"60 °C","Horizontal Installation, Min.":"-20 °C","Monitoring the supply voltage":"Yes","Cycle time (all channels) max.":"100 µs","Input resistance (-5 V to +5 V)":"≥1 MOhm","from backplane bus 5 V DC, typ.":"80 mA","Input resistance (-10 V to +10 V)":"≥1 MOhm","Integration time, parameterizable":"Yes","Input resistance (-2.5 V to +2.5 V)":"≥1 MOhm","SO2 at RH < 60% without condensation":"S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free","Current, relative to input range, (+/-)":"0.1 %","Voltage, relative to input range, (+/-)":"0.1 %","Operation at 25 °C without condensation, max.":"95 %","Temperature error (relative to input range), (+/-)":"25 °C ±0.1% / ±0.3% total measurement range","Resolution with overrange (bit including sign), max.":"15 bit; + sign","Interference voltage suppression for interference frequency f1 in Hz":"40 dB, DC to 60 V for interference frequency 50 / 60 Hz","Permissible Input Current For Current Input (Destruction Limit), Max.":"40 mA","Permissible Input Voltage For Voltage Input (Destruction Limit), Max.":"±35 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$271.78 – $729.93","priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/48f47e445e36f911eadcb755050dd135.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=161225&mlfb=6ES7231-5ND32-0XB0","alternativesUrl":"https://aoctrl.com/api/mcp/products/6ES7231-5ND32-0XB0/alternatives.json"},"ai":{"faq":[{"question":"What signal types does 6ES7231-5ND32-0XB0 accept?","answer":"It accepts 4 to 20 mA, 0 to 20 mA current signals, and ±10V, ±5V, ±2.5V, ±1.25V voltage signals. All ranges are parameterizable via the engineering software."},{"question":"What approvals does 6ES7231-5ND32-0XB0 carry?","answer":"It carries cULus, CE, CSA, FM, UL, KC, and marine approvals — suitable for North American, European, Korean, and marine applications."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7231-5ND32-0XB0","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/6ES7231-5ND32-0XB0 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}}