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Datasheet generated 2026-10-07
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Siemens SIMATIC S7 automation module 6ES7531-7QD00-0AB0

Siemens · Control & Automation · PLCs · Germany · siemens.com
Part Number
6ES7531-7QD00-0AB0  ·  HS 8538.90
Siemens SIMATIC S7 automation module 6ES7531-7QD00-0AB0

Siemens 6ES7531-7QD00-0AB0 — SIMATIC S7 automation module. Compact controller or expansion module for the S7-1200 or S7-1500 PLC platform. SIMATIC S7-1500, Analog input module AI 4 X U/In/RTD/TC, 16-bits resolution, accuracy 0.3 %.

Technical Specifications

Manufacturer part number (MPN)6ES7531-7QD00-0AB0
EAN / GTIN4047623403425
Sales unitpcs
Product familySM 531 analog input modules
UPC887621837037
Customs commodity code (HS)85389091
Net weight0.384 kg
Country of originGermany
Product type designationAI 4xU/I/RTD/TC ST
HW functional statusfrom FS01
Firmware versionV1.0.0
FW update possibleYes
I&M dataYes; I&M0 to I&M3
STEP 7 TIA Portal configurable/integrated from versionV13 / V13.0.2
STEP 7 configurable/integrated from versionV5.5 SP3
PROFIBUS from GSD version/GSD revisionV1.0 / V5.1
PROFINET from GSD version/GSD revisionV2.3
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.165 mA; with 19.2 V supply
Encoder supply output current, max.20 mA; Max. 47 mA per channel for a duration < 10 s
Power consumption from the backplane bus0.7 W
Power loss, typ.2.3 W
Address space, inputs8 byte
Number of analog inputs4
For current measurement4
For voltage measurement4
For resistance/resistance thermometer measurement2
For thermocouple measurement4
Permissible input voltage for voltage input (destruction limit), max.28.8 V
Permissible input current for current input (destruction limit), max.40 mA
Constant measurement current for resistance-type transmitter, typ.150/300/600 Ohm
Pt100/Pt200/Ni1001.25 mA; 6000 Ohm
Pt500/Pt1000/Ni1000/LG-Ni10000.625 mA; PTC: 0.472 mA
Technical unit for temperature measurement adjustableYes; °C/°F/K
Cable length shielded, max.800 m for U/I, 200 m for R/RTD, 50 m for TC
Measurement principleintegrating
Resolution with overrange (bit including sign), max.16 bit
Integration time (ms)2.5 / 16.67 / 20 / 100 ms
Basic conversion time, including integration time (ms)9 / 23 / 27 / 107 ms
Interference voltage suppression for interference frequency f1 in Hz400 / 60 / 50 / 10
Number of smoothing levels4
Linearity error (relative to input range), (+/-)0.02 %
Temperature error (relative to input range), (+/-)0.005 %/K
Crosstalk between the inputs, max.-80 dB
Repeat accuracy in steady state at 25 °C (relative to input range), (+/-)0.02 %
Temperature error of internal compensation±6 °C
Operational error limit, voltage, relative to input range, (+/-)0.3 %
Basic error limit at 25 °C, voltage, relative to input range, (+/-)0.1 %
Common mode voltage, max.10 V
Common mode interference, min.60 dB
Diagnostics functionYes
Diagnostic alarmYes
Limit value alarmYes; two upper and two lower limit values in each case
Wire break diagnosticsYes; for 1 to 5 V, 4 to 20 mA, TC, R, and RTD
Potential separation between the channels and backplane busYes
Permissible potential difference between the inputs (UCM)20 V DC
Isolation tested with707 V DC (type test)
Ambient temperature, horizontal installation, min.-25 °C; From FS03
Ambient temperature, horizontal installation, max.60 °C
Ambient temperature, vertical installation, max.40 °C
Installation altitude above sea level, max.5000 m
Width25 mm
Height147 mm
Depth129 mm
Weight, approx.210 g
NoteSupplied incl. 40-pole push-in front connectors
Number of analogue inputs4
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

Properties

MOQ1

Cross-References

Attached Documents