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ABB designates CI920AB as a Communication Interface Module associated with the Advant 800xA control platform.
In day-to-day system operation, this component supports the information path between compatible parts of the automation system. Its exact medium, protocol, addressing, and redundancy behavior are determined by the module and system configuration. System drawings should be consulted before replacement.
ABB Advant and System 800xA environments combine control, I/O, communication, and operator resources. This product supports the hardware function identified by its description within the installed system. Exact operating details should be taken from the installed model documentation.
For maintenance or replacement work, the exact module designation should be checked against the installed hardware, wiring records, and control-system documentation before the component is placed into service. Selection should account for the intended surrounding hardware configuration.
Alt# 3BDH000691R1
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