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Datasheet generated 2026-10-07
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Siemens SIMATIC S7 automation module 6ES7531-7NF10-0AB0

Siemens · Control & Automation · PLCs · Germany · siemens.com
Part Number
6ES7531-7NF10-0AB0  ·  HS 8538.90
Siemens SIMATIC S7 automation module 6ES7531-7NF10-0AB0

Siemens 6ES7531-7NF10-0AB0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. Simatic S7 1500 AI 8 X U/In/HC, 8 channels in group on 8.

Technical Specifications

Manufacturer part number (MPN)6ES7531-7NF10-0AB0
EAN / GTIN4025515080145
Sales unitpcs
Product type designationAI 8xU/I HS
HW functional statusfrom FS01
Firmware versionV2.1.0
FW update possibleYes
I&M dataYes; I&M0 to I&M3
Isochronous modeYes
Prioritized startupYes
STEP 7 TIA Portal configurable/integrated from versionV14 / -
STEP 7 configurable/integrated from versionV5.5 SP3 / -
PROFIBUS from GSD version/GSD revisionV1.0 / V5.1
PROFINET from GSD version/GSD revisionV2.3 / -
OversamplingYes
MSIYes
Reparameterization possible in RUNYes
Calibration possible in RUNYes
Supply voltage — Rated value (DC)24 V
Supply voltage — permissible range, lower limit (DC)19.2 V
Supply voltage — permissible range, upper limit (DC)28.8 V
Reverse polarity protectionYes
Current consumption, max.290 mA; with 19.2 V supply
Power consumption from the backplane bus1.15 W
Power loss, typ.3.4 W
Address space per module — Inputs16 byte
Analog inputs — Number of analog inputs8
Analog inputs — For current measurement8
Analog inputs — For voltage measurement8
permissible input voltage for voltage input (destruction limit), max.28.8 V
permissible input current for current input (destruction limit), max.40 mA
Analog input with oversamplingYes
Values per cycle, max.16
Resolution, min.62.5 µs
Voltage input ranges1 V to 5 V, -5 V to +5 V (input resistance 50 kΩ); -10 V to +10 V (input resistance 100 kΩ)
Current input ranges0 to 20 mA, -20 mA to +20 mA, 4 mA to 20 mA (input resistance 41 Ω plus approx. 42 Ω PTC overvoltage protection)
Cable length shielded, max.800 m
Measurement principleActual value encryption
Resolution with overrange (bit including sign), max.16 bit
Basic execution time of the module (all channels released)62.5 µs; independent of number of activated channels
Smoothing of measured values — Number of levels4 (none / low / medium / high)
Connection for voltage measurementYes
Connection for current measurement as 2-wire transducerYes; burden max. 820 Ω
Connection for current measurement as 4-wire transducerYes
Linearity error (relative to input range), (+/-)0.02 %
Temperature error (relative to input range), (+/-)0.005 %/K
Crosstalk between the inputs, max.-60 dB
Repeat accuracy in steady state at 25 °C (+/-)0.02 %
Operational error limit voltage (relative to input range), (+/-)0.3 %
Operational error limit current (relative to input range), (+/-)0.3 %
Common mode voltage, max.10 V
Common mode interference, min.50 dB at 400 Hz; 60 dB at 60 / 50 / 10 Hz
Filtering and processing time (TCI), min.80 µs
Bus cycle time (TDP), min.250 µs
Diagnostics functionYes
Diagnostic alarmYes
Limit value alarmYes; two upper and two lower limit values each
Monitoring the supply voltageYes
Wire break detectionYes; only for 1...5 V and 4...20 mA
Overflow/Underflow diagnosticsYes
RUN LEDgreen; ERROR LED: red
Channel status displayYes; green LED
Potential separation between the channelsNo; in groups of 8
Potential separation between the channels and backplane busYes
Potential separation between the channels and the power supply of the electronicsYes
Permissible potential difference between the inputs (UCM)20 V DC
Permissible potential difference between the inputs and MANA (UCM)10 V DC
Isolation tested with707 V DC (type test)
Siemens Eco Profile (SEP)Siemens EcoTech
Ambient temperature horizontal installation, min.-25 °C (from FS02)
Ambient temperature horizontal installation, max.60 °C
Ambient temperature vertical installation, min.-25 °C (from FS02)
Ambient temperature vertical installation, max.40 °C
Installation altitude above sea level, max.5000 m; restrictions above 2000 m
Dimensions — Width35 mm
Dimensions — Height147 mm
Dimensions — Depth129 mm
Weight, approx.300 g
Number of analogue inputs8
Analogue outputs configurableNo
Resolution of the analogue inputs16 Bit
Output, currentNo
Output, voltageNo
Output signal configurableNo
Explosion safety category for gasATEX gas-ex-protection, Cat. 3G
Explosion safety category for dustNone
Width35 mm
Height147 mm
Depth129 mm
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents