ABB ACS880 Drive
1
Posts
1
Users
0
Reactions
211
Views
Jun 11, 2024 12:21 pm
Cause : DDCS controller comm loss comes when DDCS (fiber optic) communication between drive and external controller is lost.
The fault code 7581 in your ABB ACS880 drive indicates a DDCS controller communication loss. DDCS stands for Direct Drive Control System, which is a specific control mode offered by some ABB ACS880 models. This fault signifies a communication issue between the main control board of the drive and the external controller responsible for providing speed or torque commands in DDCS mode.
- Check status of controller.
- Check settings of parameter group 60 DDCS communication.
- Check cable connections. If necessary, replace cables.