{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6AG1231-4HD32-4XB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6AG1231-4HD32-4XB0","canonicalUrl":"https://aoctrl.com/siemens/6AG1231-4HD32-4XB0","factsUrl":"https://aoctrl.com/api/mcp/products/6AG1231-4HD32-4XB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIPLUS SM 1231 analog input module, 4 channels, 24 VDC, -40 to 70 °C, IP20.","salesMarkdown":"The 6AG1231-4HD32-4XB0: Its operating range spans -40 to 70 °C, making it the choice for cold chain, refrigeration, furnace enclosures, or any panel where ambient temperatures exceed the commercial 0–55 °C envelope of the standard 6ES7231-4HD32-0XB0. Diagnostic alarms, wire-break detection, and per-channel parameterization are built in—alarms and diagnostics are enabled by default, so field service gets a fault indication without extra wiring. No PCN or end-of-life notice is in effect. If you need to second-source against the standard 6ES7231-4HD32-0XB0, this SIPLUS variant is an approved cross—same electrical, larger thermal envelope. Cycle time for all channels is 625 µs max—fast enough for most process signals, not designed for vibration or high-speed encoder capture. Common-mode voltage limit: 12 V. Input resistance on the 0–20 mA range is 280 Ω, so loop-powered transmitters see a compliant load.","metaTitle":"Siemens 6AG1231-4HD32-4XB0 SIPLUS SM 1231, 4 AI, -40 to 70°C","metaDescription":"Active-production SIPLUS analog input module for S7-1200, 4 differential current/voltage channels, rated -40 to 70 °C, IP20, 24 VDC. Sourced to order. RFQ.","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","title":"6AG1231-4HD32-4XB0","Alarms":"Yes","Height":"100 mm","Current":"Yes; 4 to 20 mA, 0 to 20 mA","Plastic":"Yes","Voltage":"Yes; ±10V, ±5V, ±2.5V","Step: low":"Yes","0 to 20 mA":"Yes","Resistance":"No","Step: High":"Yes","Step: None":"Yes","Wire-break":"Yes","description":"SIPLUS S7-1200 SM 1231 4AI 13 bit based on 6ES7231-4HD32-0XB0 with conformal coating, -20…+60 °C, analog input, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA 12-bit+ sign bit (13 bit ADC)","-5 V to +5 V":"Yes","Step: Medium":"Yes","Thermocouple":"No","4 mA to 20 mA":"Yes","-10 V to +10 V":"Yes","For Maintenance":"Yes","Parameterizable":"Yes","Weight, approx.":"180 g","lifecycle_stage":"current","-2.5 V to +2.5 V":"Yes","Diagnostic alarm":"Yes","Power loss, typ.":"1.5 W","Rated value (DC)":"24 V","Fall height, max.":"0.3 m; five times, in product package","Diagnostics function":"Yes","Resistance thermometer":"No","IP degree of protection":"IP20","Number of analog inputs":"4; Current or voltage differential inputs","For Status Of The Inputs":"Yes","Required Front Connector":"Yes","Common mode voltage, max.":"12 V","Current consumption, typ.":"45 mA","Input resistance (0 to 20 mA)":"280 Ω","Monitoring the supply voltage":"Yes","Cycle time (all channels) max.":"625 µs","Input resistance (-5 V to +5 V)":"≥9 MOhm","from backplane bus 5 V DC, typ.":"80 mA","Input resistance (-10 V to +10 V)":"≥9 MOhm","Integration time, parameterizable":"Yes","Input resistance (-2.5 V to +2.5 V)":"≥9 MOhm","Current, relative to input range, (+/-)":"0.1 %","Voltage, relative to input range, (+/-)":"0.1 %","Installation altitude above sea level, max.":"5 000 m","Protection against fouling acc. to EN 60664-3":"Yes; Type 1 protection","Temperature error (relative to input range), (+/-)":"25 °C ±0.1%, to 55 °C ±0.2% total measurement range","Ambient air temperature-barometric pressure-altitude":"Tmin ... Tmax at 1 140 hPa ... 795 hPa (-1 000 m ... +2 000 m) // Tmin ... (Tmax - 10 K) at 795 hPa ... 658 hPa (+2 000 m ... +3 500 m) // Tmin ... (Tmax -20 K) at 658 hPa ... 540 hPa (+3 500 m ... +5 000 m)","Resolution with overrange (bit including sign), max.":"12 bit; + sign","Resistant to commercially available coolants and lubricants":"Yes; Incl. diesel and oil droplets in the air","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","Environmental conditions for process, measuring and control systems acc. to ANSI/ISA-71.04":"Yes; Level GX group A/B (excluding trichlorethylene; harmful gas concentrations up to the limits of EN 60721-3-3 class 3C4 permissible); level LC3 (salt spray) and level LB3 (oil)","Qualification and Performance of Electrical Insulating Compound for Printed Board Assemblies according to IPC-CC-830A":"Yes; Conformal coating, Class A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$236.22 – $646.98","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/77270e198116457cced080486ee4332f.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=201511&mlfb=6AG1231-4HD32-4XB0"},"ai":{"faq":[{"question":"What temperature range does this module support?","answer":"Rated for -40 °C minimum to 70 °C maximum, which is the extended-temperature SIPLUS range."},{"question":"Can I use this module as a drop-in replacement for the standard 6ES7231-4HD32-0XB0?","answer":"Yes — same mechanical dimensions, same backplane connector, same 4 differential current/voltage inputs. The only difference is the wider operating temperature range of the SIPLUS version."},{"question":"What is the power consumption and supply voltage?","answer":"Typical power draw is 1.5 W from a 24 VDC supply."},{"question":"Does it include diagnostic functions?","answer":"Yes — diagnostic alarm, wire-break detection, and per-channel parameterization are standard. A status indication for maintenance is also supported."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6AG1231-4HD32-4XB0","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/6AG1231-4HD32-4XB0 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}}