Here’s a concise description of the Siemens 6ES7131-4BF00-0AA0 module:

• Type: Digital electronic module for ET 200S distributed I/O systems.

• Inputs: 8 digital inputs (8DI) with a rated voltage of 24 V DC.

• Width: Compact design with a width of 15 mm.

• Reverse Polarity Protection: Yes, to safeguard against incorrect wiring.

• Input Voltage Range:

  • Signal "0": -30 to +5 V.

  • Signal "1": +15 to +30 V.

• Input Delay: Configurable, with a range of 2 ms to 4.5 ms.

• Cable Length:

  • Shielded: Up to 1000 m.

  • Unshielded: Up to 600 m.

• Power Loss: Typical power loss is 1.2 W.

• Diagnostics: Includes status indication LEDs for digital inputs.

• Dimensions: 15 mm (W) x 81 mm (H) x 52 mm (D).

• Weight: Approximately 35 g.

• Compliance: Meets RoHS and REACH directives.