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B5A0 STO event alarm/warning in ABB ACS560 Drive

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(@click2electro)
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How can resolve problem B5A0 STO event alarm/warning in ABB ACS560 Drive ?

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Posts: 18333
Admin
Topic starter
(@click2electro)
Member
Joined: 4 years ago

Cause : Safe torque off function is active, ie. safety circuit signal(s) connected to connector STO is lost.

1. Programmable event:
31.22 - STO indication run/stop.

2. Informative warning.
3. Check safety circuit connections. For more information,
parameter 31.22 STO indication run/stop

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