ABB DCS800 Drive
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Dec 25, 2021 10:03 am
How can resolve problem F524 MainContAck Main contactor acknowledge missing Fault In ABB DCS800 ?
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Dec 25, 2021 10:04 am
Check:
- MainContAck (10.21)
- switch on - off sequence
- auxiliary contactor (relay) switching the main contactor after On/Off command
- safety relays
- used digital inputs and outputs (group 14)
