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Appendix
A.8
List of information
Abbreviation
Meaning
FNo.
Function number of annunciation
Op/Ft
Operational/fault annunciation
C/CG
Coming/Coming and going annunciation
M
Measurand
I
can be marshalled to binary input
O
can be marshalled to binary output (LED, signal/command relay)
BT
Binary trace for fault recordings
GI
Annunciation for General Interrogation
Table A-3
Annunciations of the 7SS601 busbar protection system
FNo.
Text
Meaning
1
not all.
Not allocated
5
>LED r.
>Reset LED indicators
51
DEv.OK
Device operative/healthy
52
operat.
Any protection operative
60
LED res
LED reset
110
ANNlost
Annunciations lost (buffer overflow)
111
PCannLT
Annunciations for PC lost
113
TAGlost
Fault tag lost
115
ANNovfl
Fault annunciation buffer overflow
203
REC del
Fault recording data deleted
301
Sys.Flt
Fault in the power system
302
FAULT
Fault event with consecutive number
608
ID=
Operational meas. differential current in %
609
IR=
Operational meas. restraint current in %
7701
>LO Res
>Lock Out reset
7721
LockOut
Lock Out state
7900
>BP blo
>Block Busbar protection
7901
>BP bPu
>Busbar protection blocking pulse
7910
BP blk.
Busbar protection blocked
7911
BP act.
Busbar protection active
7914
BP Trip
Busbar protection: Trip
7915
BP Tdel
Busbar protection: delay time started
7920
IdS act
IDIFF supervision active
7921
IdS Flt
IDIFF supervision: fault detected
7922
BIPulS.
Supervision of blocking pulse
1 permanently allocated to signal relay 1
2 permanently allocated to command relay 1
A-20
1
2
Op
Ft
I
O
I
O
I
O
O
C
C
C
C
C
C
C
C
C
M
M
C
I
O
CG
O
CG
I
O
C
I
O
CG
CG
O
CG
O
CG
O
C
O
CG
O
CG
O
CG
E50417-G1176-C132-A2
BT
GI
X
X
X
X
X
X
X
X
X
X
7SS60 Manual
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Table of Contents
Troubleshooting
