ABB DCS880 Drive
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Sep 30, 2024 11:30 am
A120 warning in ABB DCS880 drive indicates Overvoltage protection active. This means overvoltage protection DCF506 is active and the field exciter is blocked.
- Check the setting of 20.47 Overvoltage protection trigger source if necessary invert the signal.
- Check the field converter cables and connections.
