The ABB GJR2349000R1100, also identified by part number 3BSE003828R1 and model name CI522V1, is a dedicated AF100 communication interface module for the ABB Advant Controller 100 series. This module serves as a vital link, enabling robust and efficient communication between the central processing unit and distributed I/O modules or other devices on the AF100 fieldbus. Engineered for reliability in demanding industrial settings, the CI522V1 is essential for the seamless operation, maintenance, and expansion of Advant OCS and AC100-based automation systems. It ensures high-speed data exchange, which is critical for precise and responsive process control.