ABB DCS880 Drive
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Sep 30, 2024 12:31 pm
A7CB warning in ABB DCS880 drive indicates master-follower communication error. This means cyclical communication between master and a follower (DDCS/D2D) is lost or there is no communication at all.
- Check the setting of 20.01 Command location.
- Check the settings of group 60 DDCS communication.
- Check the cable connections.
