About

Product: SIMATIC S7-1500 Analog Input Module

Type: AI 8x HART HF
Accuracy: 0.1%
Channels: 8 (grouped in 4)
Common Mode Voltage: 30 V AC / 60 V DC
Features:

• Diagnostics

• Hardware interrupts

• Calibrate in RUN

Included in Delivery:

• Infeed element

• Shielding bracket

• Shield terminal

Data Sheet – SIMATIC S7-1500 Analog Input Module

Model: 6ES7531-7TF00-0AB0

Type: AI 8xHART HF (8-channel, HART, High-Feature)

General Information

• Product type: AI 8xHART HF

• Hardware version: FS01 or later

• Firmware version: V1.0.0

• Firmware update possible: Yes

• I&M data: I&M0 … I&M3

Engineering

• STEP 7 TIA Portal: V17 / V18 (with HSP 383)

• STEP 7 Classic: V5.5 SP3

• PROFIBUS: GSD V1.0 / Rev. V5.1

• PROFINET: GSD V2.42

Operating Functions

• Oversampling: No

• MSI (Module-synchronized interface): Yes

• Reparameterization in RUN: Yes

• Calibration in RUN: Yes

• Prioritized startup: No

Supply Voltage

• Rated DC voltage: 24 V

• Range: 19.2 … 28.8 V

• Reverse polarity protection: Yes

Input Current

• Max current consumption: 163 mA

Encoder Supply

• 24 V sensor supply

• Short-circuit protection: Yes

• Max output current: 20 mA
  (up to 47 mA/channel for <10 s)

Power

• Backplane bus: 1.15 W

• Typical power loss: 1.8 W

Analog Inputs

• Number of inputs: 8

• Measurement type: Current

• Maximum input (destruction limit): 40 mA

Supported current ranges

Cable Length

• Shielded cable: max. 800 m

Analog Value Processing

• Principle: Integrating (Sigma-Delta)

• Resolution: 16 bit (incl. sign)

Integration Time

Fast mode: 2.5 / 16.67 / 20 / 100 ms
Standard mode: 7.5 / 50 / 60 / 300 ms

Basic Conversion Time

• Fast mode: 7 / 22 / 25 / 106 ms

• Standard mode: 12 / 55 / 65 / 308 ms

Modules measure channels in pairs: (0/4), (1/5), (2/6), (3/7)

Filtering / Smoothing

• Parameterizable: Yes

• Levels: None, Low, Medium, High

Encoder Connection Options

• 2-wire current transmitters: Yes (max burden 820 Ω @ 24 V)

• 4-wire current transmitters: Yes

• Voltage, resistance measurement: No

Accuracy & Errors

• Linearity error: ±0.02%

• Temperature error: ±0.005%/K

• Repeat accuracy: ±0.02%

• Crosstalk: –80 dB

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

Operating Error (full temp range)

• Current measurement: ±0.1%

Basic Error (at 25°C)

• Current measurement: ±0.05%

Effect of HART Signal

Diagnostics & Status

• Diagnostic alarms: Yes

• Limit value alarms: Yes (2 upper + 2 lower/ch)

• Diagnostics include:

  • Supply monitoring

  • Wire break (4–20 mA)

  • Overflow/underflow

LED Indicators

• RUN (green)

• ERROR (red)

• PWR (green)

• Channel status (green)

• Channel diagnostics (red)

• Module diagnostics (red)

Isolation & Potentials

• Isolation tested: 707 V DC

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

• Channel-to-channel isolation: No

• Channel-to-backplane isolation: Yes

Environmental Data

• Operating temperature:

  • Horizontal: –30 … +60°C

  • Vertical: –30 … +40°C

• Max installation altitude: 5000 m
  (derating above 2000 m)

Mechanical Data

• Width: 35 mm

• Height: 147 mm

• Depth: 129 mm

• Weight: 270 g 

Technical Details