{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7231-5ND30-0XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7231-5ND30-0XB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7231-5ND30-0XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7231-5ND30-0XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens S7-1200 SM 1231 analog input module, order code 6ES7231-5ND30-0XB0, 8 AI, 13-bit resolution, current/voltage/resistance, -40 to 70°C, IP20.","salesMarkdown":"## Integration notes The 6ES7231-5ND30-0XB0: Operates from the backplane at 24 V DC, drawing a typical 1.8 W. Diagnostics include wire-break detection and a parameterizable diagnostic alarm — useful for field wiring fault isolation without opening the cabinet. The 70 °C maximum ambient is a practical ceiling for panel placement: if the cabinet interior (after solar load or adjacent drives) pushes near that, the module keeps its accuracy. The -40 °C low end is common for outdoor or unheated equipment. Resistance inputs support potentiometric or resistive sensors; resistance thermometer (RTD) is not supported. Approvals: CE, FM, CSA, Marine, and RCM — covers North American, European, and Australian marine environments without extra component-level certification. ## Field installation Width 45 mm, depth 75 mm, height 100 mm; mounts on the S7-1200 DIN-rail assembly. IP20 means suitable for a clean, dry enclosure — no washdown areas.","metaTitle":"Siemens 6ES7231-5ND30-0XB0 SM 1231 AI 8x13 bit, 70°C","metaDescription":"Active-production S7-1200 analog input module, 8 AI configurable for current, voltage, or resistance, -40 to 70°C, diagnostic alarms, CE/FM/CSA/Marine approvals.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Analog Input Modules"],"specifications":{"Max.":"70 °C","Min.":"-40 °C","Depth":"75 mm","Width":"45 mm","title":"6ES7231-5ND30-0XB0","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":"Yes","Step: High":"Yes","Step: None":"Yes","Wire-break":"Yes","FM approval":"Yes","description":"***Spare part*** SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit+sign bit","-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","Monitoring the supply voltage":"Yes","Cycle time (all channels) max.":"625 µs","from backplane bus 5 V DC, typ.":"80 mA","Integration time, parameterizable":"Yes","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":"$560.84","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/4e1b047c88d7a611c8aaabc85bee0854.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=309441&mlfb=6ES7231-5ND30-0XB0"},"ai":{"faq":[{"question":"What is the maximum ambient temperature rating?","answer":"70 °C, which is the upper limit for proper operation."},{"question":"What is the minimum ambient temperature rating?","answer":"-40 °C, allowing use in cold environments."},{"question":"What compliance documentation is available?","answer":"The module carries CE, FM, CSA, Marine, and RCM approvals."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7231-5ND30-0XB0","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/6ES7231-5ND30-0XB0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}