The module belongs to the SIMATIC ET 200S series, which is a distributed I/O system used for various automation and control applications. It enables the connection of digital and analog input/output devices to a central control system.

The part number "6ES7151-1AA05-0AB0" corresponds to a digital input module within the SIMATIC ET 200S series.

This specific module provides 8 digital inputs.

The inputs are compatible with 24V DC signals, and they can be used for connecting various types of digital sensors, switches, and other devices.

The module supports a range of diagnostic functions, enabling the detection of electrical faults, wire breakage, and short circuits.

It communicates with the central control system using a PROFIBUS DP (Decentralized Peripherals) interface, which is a widely used industrial communication protocol.