SIEMENS S7 1500 ANALOG INPUT MODULE-6ES7531-7PF00-0AB0

About SIEMENS S7 1500 ANALOG INPUT MODULE-6ES7531-7PF00-0AB0

SIMATIC S7-1500 analog input module AI 8xU/R/RTD/TC HF, 16 bit resolution, up to 21 bit Resolution at RT and TC, accuracy 0.1%, 8 channels in groups of 1; common mode voltage: 30 V AC/60 V DC, Diagnostics; Hardware interrupts Scalable temperature measuring range, thermocouple type C, Calibrate in RUN; Delivery including infeed element, shield bracket and shield terminal: Front connector (screw terminals or push-in) to be ordered separately

Siemens SIMATIC S7-1500 Analog Input Module

Model: 6ES7531-7PF00-0AB0
Type: AI 8xU/R/RTD/TC HF
Resolution: 16-bit (up to 21-bit for RT/TC)
Accuracy: 0.1%
Channels: 8 (in groups of 1)
Common Mode Voltage: 30 V AC / 60 V DC
Diagnostics: Yes, hardware interrupts
Scalable Temperature Measuring Range: Yes, thermocouple type C
Calibration: Possible in RUN
Delivery: Infeed element, shield bracket, shield terminal (front connector ordered separately)

General Information

• HW functional status: From FS01

• Firmware version: V1.1.0 (update possible)

• I&M data: Yes, I&M0 to I&M3

• Isochronous mode: No

• Prioritized startup: Yes

• Measuring range scalable: Yes

Engineering / Software

• STEP 7 TIA Portal: V14+

• STEP 7: V5.5 SP3+

• PROFIBUS GSD: v1.0 / rev 5.1

• PROFINET GSD: v2.3

Operating Mode

• Oversampling: No

• MSI: Yes

• Reparameterization & calibration possible in RUN

Power Supply

• Rated voltage: 24 V DC

• Voltage range: 19.2 28.8 V DC

• Current consumption max: 55 mA

• Reverse polarity protection: Yes

Power

• Backplane bus consumption: 0.85 W

• Typical power loss: 1.9 W

Analog Inputs

• Number of inputs: 8 (+1 additional RTD reference channel)

• Measurement types: Voltage (U), Resistance (R), RTD, Thermocouple (TC)

• Voltage input range: Multiple, e.g., 1 V, 25 mV, 50 mV, 500 mV, 80 mV

• Resistance/RTD input: Cu, Ni, Pt types, standard and GOST

• Thermocouple types: B, C, E, J, K, N, R, S, T, TXK/TXK(L)

• Maximum shielded cable length: 800 m (U), 200 m (R/RTD/TC)

• Temperature units adjustable: C / F / K

Conversion & Resolution

• Max resolution: 21-bit for RT/TC; 16-bit for voltage/resistance

• Integration time parameterizable: Fast mode 2.5100 ms, Standard mode 7.5300 ms

• Basic conversion time: Fast mode 4102 ms, Standard mode 9302 ms

• Additional conversion time for wire-break monitoring: 413 ms depending on sensor type

• Interference frequency suppression: 10 / 50 / 60 / 400 Hz

• Smoothing: None, Low, Medium, High

Encoder / Signal Support

• Voltage measurement: Yes

• Resistance: 2-wire, 3-wire, 4-wire (except PTC)

• Current measurement: No

Accuracy

• Linearity error: 0.02%

• Temperature error: 0.005%/K

• Repeat accuracy at 25C: 0.02%

• Internal temperature compensation: 1.5C

• Operational error limits:

  • Voltage/Resistance: 0.1%

  • RTD: 0.31 K depending on type

  • Thermocouples: 0.54 K depending on type

Interference & Isolation

• Series mode interference: 80 dB (Standard), 40 dB (Fast)

• Common mode voltage: max 60 V DC / 30 V AC

• Isolation: 2000 V DC between channels & supply/backplane; 707 V DC type test

Diagnostics & LEDs

• RUN LED: Green

• ERROR LED: Red

• PWR LED: Green

• Channel status: Green

• Channel/module diagnostics: Red

• Wire-break, supply, overflow/underflow monitored

Potential Separation

• Between channels: Yes

• Between channels & backplane: Yes

• Between channels & power supply: Yes

• Max permissible potential difference: 60 V DC / 30 V AC

Ambient Conditions

• Horizontal installation: -30C to 60C

• Vertical installation: -30C to 40C

Dimensions & Weight

• Width: 35 mm

• Height: 147 mm

• Depth: 129 mm

• Weight: 290 g 

Technical Details