Group Alarms - Central Unit
389
7SS52 V4 Manual
C53000-G1176-C182-3
A.11 Group Alarms - Central Unit
Abbreviations $00, .., $03 are variables which are replaced automatically with
$00 Number of the bay unit
$01 Bay name
$02 Name of the switching element (e.g. Isolator or circuit breaker)
$03 Name of the bus zone
BUnn Bay number 01 to 48
BSZz Modules for protection processing BSZ1, BSZ2, BSZ3
Ln Phase L1, L2, L3
BZnn Bus zone 01 to12
Isoln Isolator 1 to 5
Group Alarm Alarm
FNo. Description FNo. Logical function Relates to
10476 Error with protection blocking 10455 Bay unit failure BUnn
10425
Isolator fault alarm
1
BUnn, Isoln
10443 BZ blocked selective (g. a.) BZnn
10410
Diff-current superv. CZ (group alarm)
2
Ln
10415
Diff-current superv. BZ (group alarm)
3
BZnn, Ln, BSZ2/3
176.1171 15V supply supervision $00 BUnn
176.1172 5V supply supervision $00 BUnn
176.1173 0V supply supervision $00 BUnn
10423 Measured value superv. BU (group alarm) BUnn
10444 Blocking by supervision zero crossing (Block ZeroCross) BZnn
10475 Error without protection blocking 10425
Isolator fault alarm
4
BUnn, Isoln
10410
Diff-current superv. CZ (group alarm)
5
Ln
10415
Diff-current superv. BZ (group alarm)
6
BZn, Ln, BSZ2/3
10420 15V supply supervision central uni
10421 24V supply supervision central uni
10422 Battery supervision central unit
176.1174 Battery supervision $00 BUnn
10445 Device Trip 177.1342 Trip command for $03 L1 BZnn
177.1352 Trip command BF for $03 phase L1 BZnn
177.1343 Trip command for $03 L2 BZnn
177.1353 Trip command BF for $03 phase L2 BZnn
177.1344 Trip command for $03 L3 BZnn
177.1354 Trip command BF for $03 phase L3 BZnn
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