ABB DCS880 Drive
2
Posts
1
Users
0
Reactions
194
Views
Dec 25, 2021 7:02 am
How can resolve problem A5A3 Safe off main contactor XSTOMC warning In ABB DCS880 ?
1 Reply
Dec 25, 2021 7:02 am
Programmable, see 31.90 XSTOMC Indication
STO monitor DC current not zero. See safety supplement for functional safety converter DCS880 (3ADW000452). See also B5A3 and 5093.