The SIMATIC S7 1500 analog input module AI 8xUI HF is designed for industrial automation applications, offering high-quality performance. It operates at a frequency of 50/60 Hertz (HZ) and comes in a sleek black color. With a standard size and rack mount mounting type, this module ensures easy integration into existing systems.

Data Sheet 6ES7531-7NF00-0AB0

SIMATIC S7-1500 Analog Input Module AI 8xU/I HF

• Up to 24-bit resolution
• Accuracy: 0.1%
• 8 channels (grouped in 1)
• Common mode voltage: 30 V AC / 60 V DC
• Diagnostics + Hardware Interrupts
• Scalable measured values, measuring range adjustment
• Calibration in RUN
• Front connector ordered separately

General Information

• Product type: AI 8xU/I HF

• HW functional status: From FS01

• Firmware version: V1.1.0

• FW update possible: Yes

Product Functions

• I&M data: Yes (I&M0 to I&M3)

• Isochronous mode: No

• Prioritized startup: Yes

• Measuring range scalable: No

• Scalable measured values: Yes

• Measuring range adjustment: Yes

Engineering

• STEP 7 TIA Portal: From V14

• STEP 7: From V5.5 SP3

• PROFIBUS: GSD V1.0 / V5.1

• PROFINET: GSD V2.3

Operating Mode

• Oversampling: No

• MSI: Yes

CiR (Configuration in RUN)

• Reparameterization in RUN: Yes

• Calibration in RUN: Yes

Supply Voltage

• Rated value: 24 V DC

• Range: 19.2 28.8 V

• Reverse polarity protection: Yes

Input Current

• Max consumption: 50 mA

Power

• From backplane bus: 0.85 W

• Power loss: Typ. 1.9 W

Analog Inputs

• Number of channels: 8

• For current measurement: 8

• For voltage measurement: 8

Destruction Limits

• Max voltage input: 28.8 V

• Max current input: 40 mA

Voltage Input Ranges

• 1 to 5 V 100 k

• -10 to +10 V 100 k

• -2.5 to +2.5 V 100 k

• -5 to +5 V 100 k
  (Other voltage ranges: Not supported)

Current Input Ranges

• 0 to 20 mA 25 + ~42 PTC

• -20 to +20 mA same

• 4 to 20 mA same

Temperature / RTD / TC Inputs

(Not supported all types No)

Cable Length

• Shielded: Up to 800 m

Analog Value Processing

• Resolution:

  • Max 24-bit

  • 32-bit REAL in scaling/adaptation

  • 16-bit in S7 format

• Integration time (ms):

  • Fast: 2.5 / 16.67 / 20 / 100

  • Standard: 7.5 / 50 / 60 / 300

• Basic conversion time:

  • Fast: 4 / 18 / 22 / 102 ms

  • Standard: 9 / 52 / 62 / 302 ms

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

• Smoothing: None / Low / Medium / High

Encoder Connection

• Voltage measurement: Yes

• 2-wire transmitter: Yes (external supply required)

• 4-wire transmitter: Yes

Accuracy / Errors

• Linearity error: 0.02%

• Temperature error: 0.005%/K

• Repeat accuracy: 0.02%

• Crosstalk: 80 dB

• Operational error (full temperature):

  • Voltage: 0.1%

  • Current: 0.1%

• Basic error (at 25 C):

  • Voltage: 0.05%

  • Current: 0.05%

Diagnostics / Status

• Diagnostic functions: Yes

• Alarms:

  • Diagnostic

  • Upper/lower limit

• Wire-break detection: Yes (for 15 V and 420 mA)

• Overflow/underflow: Yes

LED Indicators

• RUN: Green

• ERROR: Red

• PWR: Green

• Channel status: Green

• Channel diagnostics: Red

• Module diagnostics: Red

Isolation / Potential Separation

• Between channels: Yes

• Between channels & backplane bus: Yes

• Between channels & L+ supply: Yes

• Tested isolation: 2000 V DC

Ambient Conditions

• Operating temperature:

  • Horizontal: 30 to 60 C

  • Vertical: 30 to 40 C

• Weight: 280 g

Dimensions

• Width: 35 mm

• Height: 147 mm

• Depth: 129 mm

FAQs of SIMATIC S7 1500 analog input module AI 8xUI HF: