ABB DCS880 - Drive Logic and Fieldbus Control; Drive Logic Control Words

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Exchange thyristors size H4T
3ADW000803R0101 DCS880 H4T (Tosa) manual en a
4.
Remove the
grounding/holding screws
from the electronic unit.
5.
To unhinge the electronic unit
pull it up and then out.
6.
Before removing the electronic
unit completely unplug the flat
cables (XC12, XS13) and the
cable connected at X38.
7. Remove the electronic unit
completely.