/PERATING INSTRUCTIONS
3$
6
# ' #
!NNUNCIATIONS OF PILOT WIRE MONITORING
0 7 -
O F F
0ILOT WIRE MONITORING IS SWITCHED OFF #'
0 7 -
B L O C K
0ILOT WIRE MONITORING IS BLOCKED #'
0 I L O T
W
F A I L
0ILOT WIRE FAILURE #'
" L O C K
T O
E N D
$IFFERENTIAL PROTECTION BLOCKS PILOT WIRE MONITORING OF
ADJACENT RELAY FOR THREETERMINAL LINES #'
/PERATIONAL ANNUNCIATIONS OF EXTERNAL LOCAL TRIP AND TRANSFER TRIP
% X T
O F F
%XTERNAL LOCAL TRIP FUNCTION IS SWITCHED OFF #'
% X T
B L O C K E D
%XTERNAL LOCAL TRIP FUNCTION IS BLOCKED #'
% X T
A C T I V E
%XTERNAL LOCAL TRIP FUNCTION IS ACTIVE #'
4 R A N S 4 R I P
O F F
%XTERNAL TRANSFER TRIP FUNCTION IS SWITCHED OFF #'
4 R A N S 4 R I P
B L O
%XTERNAL TRANSFER TRIP FUNCTION IS BLOCKED #'
4 R 4 R I P
3 E N D
%XTERNAL TRANSFER TRIP SIGNAL TRANSMITTED #'
2 E C E I V E R
O F F
2ECEIVER CIRCUIT IS SWITCHED OFF #'
2 E C E I V E
B L O C K
2ECEIVER CIRCUIT IS BLOCKED #'
2 E C V
A C T I V E
2ECEIVER CIRCUIT IS ACTIVE #'
2 E C E I V E
R E C V
2ECEIVE SIGNAL RECEIVED #'
/PERATIONAL ANNUNCIATIONS OF BACKUP OVERCURRENT TIME PROTECTION
)
B L O C K
) STAGE OF BACKUP OVERCURRENT TIME PROTECTION IS
BLOCKED FROM AN EXTERNAL DEVICE #'
) ) P
B L O C K
) OR )
P
STAGE OF BACKUP OVERCURRENT TIME PROTECTION IS
BLOCKED FROM AN EXTERNAL DEVICE #'
" A C K U P
O F F
"ACKUP OVERCURRENT TIME PROTECTION IS SWITCHED OFF
#'
" A C K U P
B L O C K
"ACKUP OVERCURRENT TIME PROTECTION IS BLOCKED #'
" A C K U P
A C T I V E
"ACKUP OVERCURRENT TIME PROTECTION IS ACTIVE #'
Summary of Contents for 7SD502
Page 148: ... PPENDIX 3 6 PPENDIX ENERAL DIAGRAMS ONNECTION DIAGRAMS 4ABLES ...
Page 176: ... 3 6 ...
