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

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

• Inputs: 8 digital inputs (DI), compatible with 24V DC signals.

• Dimensions: Compact design with a width of 15 mm, height of 81 mm, and depth of 52 mm.

• Weight: Approximately 35 grams.

• Voltage: Rated input voltage is 24V DC, with reverse polarity protection.

• Input Delay: Signal delay ranges from 2 ms to 4.5 ms.

• Cable Length: Maximum cable length is 1000 m (shielded) or 600 m (unshielded).

• Diagnostics: Includes LED status indicators for digital inputs.

• Isolation: Potential separation between channels and backplane bus.