SIMATIC S7-1500, 6ES7531-7LK00-0AB0

The SIMATIC S7-1500, 6ES7531-7LK00-0AB0, is an advanced automation module designed for high-performance industrial applications. Engineered with a DIN-rail mounting system, it operates efficiently at a rated voltage of 24V DC. Offering exceptional reliability, this module boasts an IP20 protection level to safeguard against environmental factors and ensures durability while maintaining a lightweight design of 240 grams. With an operating temperature range from -30C to +60C and a high humidity tolerance of up to 95%, this single-phase module is built for diverse operational settings. Its compact dimensions of 25 x 147 x 129 mm make installation seamless, while its power rating of 2.8 W ensures energy efficiency. The module also comes equipped with enhanced isolation capabilities of up to 4700 V DC, offering a safe and robust operational framework. Ideal for industrial automation systems, the SIMATIC S7-1500 facilitates powerful and precise control in demanding environments.

General Information

• Product designation: AI 24xCVM HF

• HW status: FS01

• Firmware version: V1.0.0 (FW update possible)

• I&M data: Yes (I&M0I&M3)

• Oversampling: No

• MSI mode: Yes

• CiR (Configuration in RUN): Yes

• Reparameterization in RUN: Yes

• Calibration in RUN: Yes

Power

• Backplane bus consumption: 2.8 W

• Typical power loss: 2.1 W

Analog Inputs

• Number of inputs: 24

• Voltage measurement: 24 channels

• Rated input range: 3.5 V (16 channels support 5 V)

• Max destruction limit: 160 V

• Voltage range supported:

  • 5 V to +5 V (Input resistance: 1 M, connected to +27 V for open-circuit detection)

Cable Length

• Shielded cables: max. 200 m

Analog Value Processing

• Max resolution:

  • 16-bit with overrange

  • 24-bit floating-point format

• Integration time: 2.5 / 16.67 / 20 / 100 ms

• Basic conversion time: 10 / 24 / 28 / 109 ms

• Extra conversion time for wire break: 35 ms (once per cycle)

• Execution:

  • Channels measured in pairs (0&12, 1&13, etc.)

  • Slowest channel in each pair defines cycle time

Smoothing

• Levels: None, Low, Medium, High

• Parameterizable: Yes

Encoder Support

• Voltage encoders: Supported

Accuracy / Errors

• Linearity error: 0.02%

• Temperature error: 0.005%/K

• Crosstalk: 80 dB max

• Repeat accuracy at 25C: 0.02%

• At temperatures below 0C, errors double

Operational Accuracy

• Over full temperature range: 0.1%

• Basic error at 25C: 0.05%

Interference Suppression

• Series mode: 36 dB

• Common mode: 70 dB

Diagnostics & Alarms

• Diagnostics: Yes

• Diagnostic alarm: Yes

• Limit alarms: Yes (two upper & two lower limits)

• Supply monitoring: Yes

• Wire break detection: Yes

• Overflow/Underflow: Yes

LED Indicators

• RUN (green): Yes

• ERROR (red): Yes

• Channel status (green): Yes

• Channel diagnostics (red): Yes

• Module diagnostics (red): Yes

• PWR LED: No

Isolation / Potential Separation

• Channel-to-channel: No

• Channels grouped: 12-channel groups

• Channel group to backplane bus: Yes

• Max potential difference:

  • Inputs to MANA (UCM): 21 V DC

  • M internal inputs: 600 V DC

• Isolation test: 4700 V DC

Environmental Conditions

• Operating temperature:

  • Horizontal: 30C to +60C

  • Vertical: 30C to +40C

• Max installation altitude: 4000 m
  (Restrictions >2000 m, see Siemens ID 109763260)

Dimensions

• Width: 25 mm

• Height: 147 mm

• Depth: 129 mm

Weight

• Approx.: 240 g

Technical Details 

FAQs of SIMATIC S7-1500, 6ES7531-7LK00-0AB0: