{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"6ES7531-7NF10-0AB0","brand":"Siemens","brandSlug":"siemens","productSlug":"6ES7531-7NF10-0AB0","canonicalUrl":"https://aoctrl.com/siemens/6ES7531-7NF10-0AB0","factsUrl":"https://aoctrl.com/api/mcp/products/6ES7531-7NF10-0AB0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIMATIC S7-1500 analog input module, 6ES7531-7NF10-0AB0, MSI-capable, 0 to 20 mA and 1 V to 5 V ranges, 35 mm wide.","salesMarkdown":"## What the module does on the rack The Siemens 6ES7531-7NF10-0AB0 is an analog input module for the SIMATIC S7-1500 I/O family, occupying a single 35 mm slot on the standard S7-1500 mounting rail and reading back to the CPU over the backplane bus. The module is built around MSI (Measuring Signal Isolated) capability rather than thermocouple or RTD inputs, so its job on the panel is millivolt and milliamp signal acquisition, not direct thermocouple cold-junction compensation. ## Signal ranges and resolution behavior MSI is supported, and the listed signal ranges are 0 to 20 mA together with 1 V to 5 V, which is the standard set for 4-wire mA and ratiometric voltage pickup off field transmitters. Step detection is listed in both low and high direction, so the module can flag a defined excursion band on the analog input without burning CPU scan time on a custom comparator. Voltage ranges 0 to +5 V and 0 to +10 V are not listed, and the standard 0 to 10 V industrial span is therefore not directly covered by this module, which is the first thing an integrator specifies against. ## Sensor classes NOT carried by this module Thermocouple types B, C, E, J, K, L, N, R, S, and T are all listed as No, confirming the module is scoped to MSI/mV-class acquisition rather than direct thermocouple linearization; thermocouple points on the I/O list route to a TC-capable AI module instead. ## Diagnostics and asset data on the front panel Front-panel status is a green RUN LED and a red ERROR LED, which is the minimum panel-builder needs for first-pass fault isolation before opening TIA Portal. I&M data is supported from I&M0 through I&M3, so the module carries plant-level identification, installation, and descriptor fields that survive a CPU-to-CPU migration and a hot-swap of the module itself.","metaTitle":"Siemens 6ES7531-7NF10-0AB0 AI module, MSI 0-20 mA / 1-5 V","metaDescription":"Siemens 6ES7531-7NF10-0AB0 S7-1500 analog input module with MSI support, 0 to 20 mA and 1 V to 5 V ranges, 35 mm wide, 24-bit step detection. Specified for high-bay storage and pro","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Analog Input Modules"],"specifications":{"MSI":"Yes","PTC":"No","Cu 10":"No","Cu 50":"No","Depth":"129 mm","Ni 10":"No","Pt 10":"No","Pt 50":"No","Width":"35 mm","title":"6ES7531-7NF10-0AB0","Cu 100":"No","Height":"147 mm","Ni 100":"No","Ni 120":"No","Ni 200":"No","Ni 500":"No","Pt 100":"No","Pt 200":"No","Pt 500":"No","Type B":"No","Type C":"No","Type E":"No","Type J":"No","Type K":"No","Type L":"No","Type N":"No","Type R":"No","Type S":"No","Type T":"No","Ni 1000":"No","Pt 1000":"No","RUN LED":"Yes; green LED","I&M data":"Yes; I&M0 to I&M3","0 to +5 V":"No","ERROR LED":"Yes; red LED","Step: low":"Yes","0 to +10 V":"No","0 to 20 mA":"Yes","1 V to 5 V":"Yes","LG-Ni 1000":"No","Step: High":"Yes","Step: None":"Yes","Wire-break":"Yes; only for 1 ... 5 V and 4 ... 20 mA","description":"SIMATIC S7-1500 Analog input module AI 8xU/I HS, 16 bit resolution, Accuracy 0.3% 8 channels in groups of 8; Common mode voltage 10 V; Diagnostics; Hardware interrupts 8 channels in 0.0625 ms Oversampling; Delivery including infeed element, shield bracket and shield terminal: Front connector (screw terminals or push-in) to be ordered separately","-5 V to +5 V":"Yes","Oversampling":"Yes","Step: Medium":"Yes","0 To 150 Ohms":"No","0 To 300 Ohms":"No","0 To 600 Ohms":"No","4 mA to 20 mA":"Yes","-10 V to +10 V":"Yes","0 To 3000 Ohms":"No","0 To 6000 Ohms":"No","Shielded, Max.":"800 m","Parameterizable":"Yes","Weight, approx.":"300 g","lifecycle_stage":"current","-2.5 V to +2.5 V":"No","-20 mA to +20 mA":"Yes","-25 mV to +25 mV":"No","-50 mV to +50 mV":"No","-80 mV to +80 mV":"No","Diagnostic alarm":"Yes","Firmware version":"V2.1.0","Isochronous mode":"Yes","Power loss, typ.":"3.4 W","Rated value (DC)":"24 V","Limit value alarm":"Yes; two upper and two lower limit values in each case","-250 mV to +250 mV":"No","-500 mV to +500 mV":"No","FW update possible":"Yes","Overflow/underflow":"Yes","Prioritized startup":"Yes","Between The Channels":"No","Diagnostics function":"Yes","HW functional status":"From FS01","Output current, max.":"20 mA; Max. 47 mA per channel for a duration < 10 s","Isolation tested with":"707 V DC (type test)","Channel status display":"Yes; green LED","For Module Diagnostics":"Yes; red LED","Cu 10 according to GOST":"No","Cu 50 according to GOST":"No","For Channel Diagnostics":"Yes; red LED","For Voltage Measurement":"Yes","For current measurement":"8","For voltage measurement":"8","Ni 10 according to GOST":"No","Number of analog inputs":"8","Pt 10 according to GOST":"No","Pt 50 according to GOST":"No","Type TXK/TXK(L) to GOST":"No","Cu 100 according to GOST":"No","Measuring range scalable":"No","Ni 100 according to GOST":"No","Ni 120 according to GOST":"No","Ni 200 according to GOST":"No","Ni 500 according to GOST":"No","Pt 100 according to GOST":"No","Pt 200 according to GOST":"No","Pt 500 according to GOST":"No","Scalable measured values":"No","Short-circuit protection":"Yes","between the inputs (UCM)":"20 V DC","Common mode voltage, max.":"10 V","Current consumption, max.":"240 mA; with 24 V DC supply","Ni 1000 according to GOST":"No","Pt 1000 according to GOST":"No","Bus cycle time (TDP), min.":"250 µs","Calibration possible in RUN":"Yes","Reverse polarity protection":"Yes","Vertical Installation, Max.":"40 °C","Vertical Installation, Min.":"-25 °C; From FS02","Adjustment of measuring range":"No","Horizontal Installation, Max.":"60 °C","Horizontal Installation, Min.":"-25 °C; From FS02","Input resistance (0 to 20 mA)":"41 Ω; Plus approx. 42 ohms for overvoltage protection by PTC","Input resistance (1 V to 5 V)":"50 kΩ","Monitoring the supply voltage":"Yes","Common mode interference, min.":"50 dB at 400 Hz; 60 dB at 60 / 50 / 10 Hz","Input resistance (-5 V to +5 V)":"50 kΩ","Input resistance (4 mA to 20 mA)":"41 Ω; Plus approx. 42 ohms for overvoltage protection by PTC","Between the inputs and MANA (UCM)":"10 V DC","Input resistance (-10 V to +10 V)":"100 kΩ","Between The Channels, In Groups Of":"8","Burden of 2-wire transmitter, max.":"820 Ω","Crosstalk between the inputs, max.":"-60 dB","Reparameterization possible in RUN":"Yes","Input resistance (-20 mA to +20 mA)":"41 Ω; Plus approx. 42 ohms for overvoltage protection by PTC","permissible range, lower limit (DC)":"19.2 V","permissible range, upper limit (DC)":"28.8 V","Between The Channels And Backplane Bus":"Yes","PROFIBUS from GSD version/GSD revision":"V1.0 / V5.1","PROFINET from GSD version/GSD revision":"V2.3 / -","Power available from the backplane bus":"1.15 W","Current, relative to input range, (+/-)":"0.2 %","Voltage, relative to input range, (+/-)":"0.2 %","Filtering and processing time (TCI), min.":"80 µs","Monitoring of the supply voltage (PWR-LED)":"Yes; green LED","Installation altitude above sea level, max.":"5 000 m; Restrictions for installation altitudes > 2 000 m, see manual","STEP 7 configurable/integrated from version":"V5.5 SP3 / -","For Current Measurement As 2-Wire Transducer":"Yes","For Current Measurement As 4-Wire Transducer":"Yes","Linearity error (relative to input range), (+/-)":"0.02 %","Temperature error (relative to input range), (+/-)":"0.005 %/K","For Resistance Measurement With Two-Wire Connection":"No","For Resistance Measurement With Four-Wire Connection":"No","Resolution with overrange (bit including sign), max.":"16 bit","For Resistance Measurement With Three-Wire Connection":"No","STEP 7 TIA Portal configurable/integrated from version":"V14 / -","Basic execution time of the module (all channels released)":"62.5 µs; independent of number of activated channels","Between The Channels And The Power Supply Of The Electronics":"Yes","Permissible Input Current For Current Input (Destruction Limit), Max.":"40 mA","Permissible Input Voltage For Voltage Input (Destruction Limit), Max.":"28.8 V","Repeat accuracy in steady state at 25 °C (relative to input range), (+/-)":"0.02 %"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$891.27 – $1,731.92","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/15b63613f73f06713e09d46e94b5d71e.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=314391&mlfb=6ES7531-7NF10-0AB0"},"ai":{"faq":[{"question":"Does 6ES7531-7NF10-0AB0 cover thermocouple inputs?","answer":"No. Types B, C, E, J, K, L, N, R, S, and T are all listed as No, so the module handles MSI/mV-class acquisition, not thermocouple linearization."},{"question":"How do I source the module against an open BOM line?","answer":"Submit an RFQ for quoted-to-order supply; the part is specified by its order code and confirmed against the rack footprint of 35 mm wide, 129 mm deep, and 147 mm high."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/6ES7531-7NF10-0AB0","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/6ES7531-7NF10-0AB0 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}}