The ABB PFEA112-20-3BSE030369R0020 is a high-perbance digital b module designed for use in ABB AC500 control systems,providing 16 channels of 24V DC digital b signals.It is widely used in industrial automation applications such as power plants,refineries,chemical plants,and water treatment facilities to monitor the status of switches,sensors,valves,and other field devices.
Each b channel features an LED indicator,allowing real-time monitoring of signal status and simplifying troubleshooting and commissioning.The module supports both sink and source b configurations,offering flexibility in wiring and compatibility with various control systems.