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

• Type: Digital input module for ET 200S distributed I/O system.

• Inputs: 8 digital inputs.

• Voltage: Operates at 24V DC.

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

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

• Input Delay: 2 ms to 4.5 ms for signal transitions.

• Cable Length: Supports up to 1000 m (shielded) or 600 m (unshielded).

• Diagnostics: Includes status indication LEDs for digital inputs.

• Weight: Approximately 35 g.

• Compliance: Meets RoHS and WEEE directives.