The ABB CI522A 3BSE018283R1 is an interface module for ABB's AC 500 controller series. It is an AF100 interface module for communication with ABB field devices. AF100 is an ABB communication protocol that can be used for data exchange and control with various ABB devices.

These interface modules are commonly used in power automation, process control and industrial automation applications to connect and exchange data between controllers and various sensors, actuators and other external devices. They provide a reliable communication interface that enables the control system to monitor and control various processes and equipment.

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ABB CI522A 3BSE018283R1 Interface Module Datasheet