Functions
6-225
7SA522 Manual
C53000-G1176-C119-2
•
(UURUZLWKDVXPPDU\DODUP
(F.No. 140, i.e. general device failure)
•
$ODUPVXPPDU\HYHQW
(F.No. 160, i.e. general supervision alarm)
•
)DLOXUHJHQHUDOFXUUHQWVXSHUYLVLRQ
(F.No. 161)
•
)DLOXUHJHQHUDOYROWDJHVXSHUYLVLRQ
(F.No. 164)
Table 6-6
Summary of the device response to detected failures
Monitoring
Possible causes
Alarm (function no.)
Failure response
General alarms
Output
Auxiliary voltage failure
external (aux. supply)
internal (converter)
all LEDs dark or
“
(UURU 9
” (144)
device out of service or
general alarm: 140
D.OK
2
) resets
Measured value
acquisition
internal (converter or
reference voltage)
LED „ERROR”
“
(UURU$'FRQY
”
(181)
protection out of service
general alarm: 140
D.OK
2
) resets
Buffer battery
internal (buffer battery)
´)DLO%DWWHU\µ
alarm: 177
as allocated
Hardware–watchdog
internal (processor fail)
LED “ERROR”
protection out of service D.OK
2
) resets
Software–watchdog
internal (program execu-
tion)
LED “ERROR”
reboot attempt
1
)
D.OK
2
) resets
Working memory
internal (RAM)
LED flashes
reboot attempt
1
)
abortion of the boot
process
device out of service
D.OK
2
) resets
Program memory
internal (EPROM)
LED “ERROR”
reboot attempt
1
)
D.OK
2
) resets
Parameter memory
internal (EEPROM or RAM) LED “ERROR”
reboot attempt
1
)
D.OK
2
) resets
Sampling frequency
internal (clock)
LED “ERROR”
reboot attempt
1
)
D.OK
2
) resets
1 A/5 A–setting
jumper settings
1 A/5 A incorrect
“
(UURU$$ZURQJ
”
“
(UURU$'FRQY
”
LED “ERROR” (192,
181)
general alarm: 140
protection out of service
D.OK
2
) resets
Calibration data
internal (EEPROM or RAM) “
$ODUP12FDOLEU
”
(193)
general alarm: 160
default values used
as allocated
Earth current transformer
sensitive/normal
I/O–module does not corre-
spond to the ordering code
of the device
“
(UURUQHXWUDO&7
”
“
(UURU$'FRQY
”
LED “ERROR” (194,
181)
general alarm: 140
protection out of service
D.OK
2
) resets
Modules
module does not corre-
spond to the ordering code
of the device
“
(UURU%RDUG
” and if applica-
ble
“
(UURU$'FRQY
”
(183 ... 189, 181)
general alarms: 160, 140
protection out if service
D.OK
2
) resets
Current sum
internal (measured value
acquisition)
´)DLOXUH
Σ
,
” (162)
general alarms: 161, 160 as allocated
Current symmetry
external (primary plant or
current transformers)
“
)DLO,EDO
DQFH
”(163)
general alarms: 161, 160 as allocated
Broken conductor
external (primary plant or
current transformers)
“
)DLO&RQGXFWRU
”
(195)
as allocated
1
) Following three unsuccessful reboot attempts, the device is taken out of service
2
) D.OK = “Device Okay” = Live contact relay
Summary of Contents for siprotec 7SA522
Page 20: ...7SA522 Manual C53000 G1176 C119 2 ...
Page 64: ...7SA522 Manual C53000 G1176 C119 2 ...
Page 89: ...SIPROTEC 4 Devices 4 25 7SA522 Manual C53000 G1176 C119 2 Figure 4 20 CFC Logic example ...
Page 408: ...7SA522 Manual C53000 G1176 C119 2 ...
Page 456: ...7SA522 Manual C53000 G1176 C119 2 ...
Page 516: ...7SA522 Manual C53000 G1176 C119 2 ...
Page 620: ...Appendix B 48 ...
