ABB REF542plus Operator's Manual page 102

Multifunction protection and switchgear control unit
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REF542plus
102
Multifunction Protection and Switchgear Control
Unit
Operator's manual
203 ms-138 ms+15 ms=80 ms.
The time "Start L1", 5'028 ms long, indicated by the arrow 2 (see Fig. 20.-1),
is the time interval during which the protection remains in the start state (for
example active) inside REF542plus.
(*)The compensation time takes into account the signal processing inside the
unit and switching time of the contact. The values for the different modules
are:
Static IO module 10 ms
BIO3 module 15 ms
BIO2 module 20 ms.
1MRS755869

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