The ABB PM856AK01 module is a central processing unit (CPU) module in the AC800M series of controllers produced by ABB. As the core of the entire control system, it is responsible for executing control procedures, processing I/O data, communicating with other modules, and realizing various control functions.

Product name and description
Product name: ABB PM856AK01 CPU module

Product Description: This module is the core component of ABB AC800M control system, providing powerful computing power and control functions.
Main function
Control program execution: Execute the control program written by the user to achieve a variety of automatic control.
I/O processing: Processing input signals from sensors, actuators, and other devices, and controlling output signals.

Communication: Communication with other modules (such as I/O modules, network modules) and the host computer.
Real-time control: Provides real-time control functions to ensure that the system can respond quickly.