System-disconnection relay EU400 NA-protection
20
Subject to technical changes
8.7 Generator operation, suppression of the feedback contacts
(with external shut-down and mains synchronization)
1)
Feedback contacts not connected set
8
rel .
8
→
8
trel.
8
→
8
oFF.
8
2)
N connected set
8
Pr 1
8
,
8
Pr 3
8
or
8
Pr 5
8
3)
Nc- or no-contacts can be connected, automatic detection when switching on
4)
Switch off the plant without recording an alarm, e.g. with output contact of a ripple control receiver
5)
Fuses only when line protection necessary, e.g. 3x16A
6)
Contact closed suppresses evaluation of feedback contacts and vector shift
(
8
uSr .
8
→
8
on.
8
) suppresses feedback contacts (
8
uSr .
8
→
8
y1y2.
8
) or switches device into
standby (
8
uSr .
8
→
8
StbY.
8
= default setting) e.g. through ripple control receiver or timer
