Data sheet 6ES7531-7QF00-0AB0

SIMATIC S7-1500 Analog input module, AI 8xU/I/R/RTD BA, 16 bit resolution,

Accuracy 0.5%, 8 channels in groups of 8; Common mode voltage 4 V DC,
Diagnostics; Hardware interrupts; Delivery including infeed element, shield bracket
and shield terminal: Front connector (screw terminals or push-in) to be ordered
separately

General information
Product type designation AI 8xU/I/R/RTD BA
HW functional status FS01
Firmware version V1.0.0
● FW update possible Yes
Product function
● I&M data Yes; I&M0 to I&M3
● Isochronous mode No
● Prioritized startup No
Engineering with
● STEP 7 TIA Portal configurable/integrated from version V15.1 / V16
● STEP 7 configurable/integrated from version V5.5 SP3 / -
● PROFIBUS from GSD version/GSD revision V1.0 / V5.1
● PROFINET from GSD version/GSD revision V2.3 / -
Operating mode
● Oversampling No
● MSI Yes
CiR - Configuration in RUN
Reparameterization possible in RUN Yes
Calibration possible in RUN No
Power
Power consumption from the backplane bus 0.85 W
Power loss
Power loss, typ. 0.9 W
Analog inputs
Number of analog inputs 8
● For current measurement 8
● For voltage measurement 8
● For resistance/resistance thermometer measurement 8
permissible input voltage for voltage input (destruction limit), 12 V; 12 V continuous, 30 V for max. 1 s
max.
permissible input current for current input (destruction limit), 40 mA
max.
Constant measurement current for resistance-type transmitter, 230 ... 370 µA
typ.
Technical unit for temperature measurement adjustable Yes; °C/°F/K
Input ranges (rated values), voltages
● 0 to +5 V No

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 ● 0 to +10 V No
● 1 V to 5 V Yes
— Input resistance (1 V to 5 V) 10 MΩ
● -1 V to +1 V Yes
— Input resistance (-1 V to +1 V) 10 MΩ
● -10 V to +10 V Yes
— Input resistance (-10 V to +10 V) 10 MΩ
● -2.5 V to +2.5 V No
● -25 mV to +25 mV No
● -250 mV to +250 mV No
● -5 V to +5 V Yes
— Input resistance (-5 V to +5 V) 10 MΩ
● -50 mV to +50 mV Yes
— Input resistance (-50 mV to +50 mV) 10 MΩ
● -500 mV to +500 mV Yes
— Input resistance (-500 mV to +500 mV) 10 MΩ
● -80 mV to +80 mV No
Input ranges (rated values), currents
● 0 to 20 mA Yes
— Input resistance (0 to 20 mA) 25 Ω; Plus approx. 42 ohms for overvoltage protection by PTC
● -20 mA to +20 mA Yes
— Input resistance (-20 mA to +20 mA) 25 Ω; Plus approx. 42 ohms for overvoltage protection by PTC
● 4 mA to 20 mA Yes
— Input resistance (4 mA to 20 mA) 25 Ω; Plus approx. 42 ohms for overvoltage protection by PTC
Input ranges (rated values), thermocouples
● 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
● Type U No
● Type TXK/TXK(L) to GOST No
Input ranges (rated values), resistance thermometer
● Cu 10 No
● Cu 10 according to GOST No
● Cu 50 No
● Cu 50 according to GOST No
● Cu 100 No
● Cu 100 according to GOST No
● Ni 10 No
● Ni 10 according to GOST No
● Ni 100 Yes; Standard/climate
— Input resistance (Ni 100) 10 MΩ
● Ni 100 according to GOST No
● Ni 1000 Yes; Standard/climate
— Input resistance (Ni 1000) 10 MΩ
● Ni 1000 according to GOST No
● LG-Ni 1000 Yes; Standard/climate
— Input resistance (LG-Ni 1000) 10 MΩ
● Ni 120 No
● Ni 120 according to GOST No
● Ni 200 No
● Ni 200 according to GOST No
● Ni 500 No
● Ni 500 according to GOST No
● Pt 10 No

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 ● Pt 10 according to GOST No
● Pt 50 No
● Pt 50 according to GOST No
● Pt 100 Yes; Standard/climate
— Input resistance (Pt 100) 10 MΩ
● Pt 100 according to GOST No
● Pt 1000 Yes; Standard/climate
— Input resistance (Pt 1000) 10 MΩ
● Pt 1000 according to GOST No
● Pt 200 No
● Pt 200 according to GOST No
● Pt 500 No
● Pt 500 according to GOST No
Input ranges (rated values), resistors
● 0 to 150 ohms No
● 0 to 300 ohms No
● 0 to 600 ohms Yes
— Input resistance (0 to 600 ohms) 10 MΩ
● 0 to 3000 ohms No
● 0 to 6000 ohms Yes
— Input resistance (0 to 6000 ohms) 10 MΩ
● PTC Yes
— Input resistance (PTC) 10 MΩ
Cable length
● shielded, max. 200 m; 50 m at 50 mV
Analog value generation for the inputs
Measurement principle integrating
Integration and conversion time/resolution per channel
● Resolution with overrange (bit including sign), max. 16 bit
● Integration time, parameterizable Yes
● Integration time (ms) 2,5 / 16,67 / 20 / 100 ms
● Basic conversion time, including integration time (ms) 10 / 24 / 27 / 107 ms
— additional conversion time for wire-break monitoring 4 ms (to be considered in R/RTD/U 1 to 5 V measurement)
— additional conversion time for resistance 8 ms
measurement
● Interference voltage suppression for interference 400 / 60 / 50 / 10 Hz
frequency f1 in Hz
Smoothing of measured values
● parameterizable Yes
● Step: None Yes
● Step: low Yes
● Step: Medium Yes
● Step: High Yes
Encoder
Connection of signal encoders
● for voltage measurement Yes
● for current measurement as 2-wire transducer Yes; with external supply
● for current measurement as 4-wire transducer Yes
● for resistance measurement with two-wire connection Yes; Only for PTC
● for resistance measurement with three-wire connection Yes; All measuring ranges except PTC; internal compensation of the cable
resistances
Errors/accuracies
Linearity error (relative to input range), (+/-) 0.1 %
Temperature error (relative to input range), (+/-) 0.006 %/K
Crosstalk between the inputs, max. -50 dB
Repeat accuracy in steady state at 25 °C (relative to input 0.1 %
range), (+/-)
Operational error limit in overall temperature range
● Voltage, relative to input range, (+/-) 0.5 %
● Current, relative to input range, (+/-) 0.5 %
● Resistance, relative to input range, (+/-) 0.5 %
● Resistance thermometer, relative to input range, (+/-) Ptxxx Standard: ±1.2 K, Ptxxx Climate: ±0.8 K, Nixxx Standard: ±0.8 K, Nixxx

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 Climate: ±0.8 K
Basic error limit (operational limit at 25 °C)
● Voltage, relative to input range, (+/-) 0.3 %
● Current, relative to input range, (+/-) 0.3 %
● Resistance, relative to input range, (+/-) 0.3 %
● Resistance thermometer, relative to input range, (+/-) Ptxxx Standard: ±1.0 K, Ptxxx Climate: ±0.5 K, Nixxx Standard: ±0.5 K, Nixxx
Climate: ±0.5 K
Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency
● Series mode interference (peak value of interference < 40 dB
rated value of input range), min.
● Common mode voltage, max. 4V
● Common mode interference, min. 60 dB
Interrupts/diagnostics/status information
Diagnostics function Yes
Alarms
● Diagnostic alarm Yes
● Limit value alarm Yes; two upper and two lower limit values in each case
Diagnoses
● Monitoring the supply voltage No
● Wire-break Yes; Only for 1 ... 5 V, 4 ... 20 mA, R, and RTD
● Short-circuit No
● Group error No
● Overflow/underflow Yes
Diagnostics indication LED
● RUN LED Yes; green LED
● ERROR LED Yes; red LED
● MAINT LED No
● Monitoring of the supply voltage (PWR-LED) No
● Channel status display Yes; green LED
● for channel diagnostics Yes; red LED
● for module diagnostics Yes; red LED
Potential separation
Potential separation channels
● between the channels No
● between the channels, in groups of 8
● between the channels and backplane bus Yes
Permissible potential difference
between the inputs (UCM) 8 V DC
Between the inputs and MANA (UCM) 4 V DC
Isolation
Isolation tested with 707 V DC (type test)
Standards, approvals, certificates
Siemens Eco Profile (SEP) Siemens EcoTech
Ecological footprint
● environmental product declaration Yes
Global warming potential
— global warming potential, (total) [CO2 eq] 38.6 kg
— global warming potential, (during production) [CO2 14.4 kg
eq]
— global warming potential, (during operation) [CO2 24.6 kg
eq]
— global warming potential, (after end of life cycle) -0.44 kg
[CO2 eq]
product functions / security / header
signed firmware update No
data integrity No
Ambient conditions
Ambient temperature during operation
● horizontal installation, min. -30 °C; From FS05
● horizontal installation, max. 60 °C
● vertical installation, min. -30 °C; From FS05
● vertical installation, max. 40 °C

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 Altitude during operation relating to sea level
● Installation altitude above sea level, max. 5 000 m; Restrictions for installation altitudes > 2 000 m, see manual
Dimensions
Width 35 mm
Height 147 mm
Depth 129 mm
Weights
Weight, approx. 250 g
Classifications
Version Classification

eClass 14 27-24-22-01
eClass 12 27-24-22-01
eClass 9.1 27-24-22-01
eClass 9 27-24-22-01
eClass 8 27-24-22-01
eClass 7.1 27-24-22-01
eClass 6 27-24-22-01
ETIM 9 EC001420
ETIM 8 EC001420
ETIM 7 EC001420
IDEA 4 3562
UNSPSC 15 32-15-17-05

Approvals / Certificates
General Product Approval For use in hazardous locations

For use in hazard-

Test Certificates Maritime application
ous locations

Miscellaneous Special Test Certific- Type Test Certific-

ate ates/Test Report

Maritime application other

Confirmation

other Railway Environment

Miscellaneous Special Test Certific- Environmental Con-

ate firmations

last modified: 5/14/2025

6ES75317QF000AB0 Subject to change without notice

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