Siemens siprotec 7SA6 User Manual

Functions
6-262 7SA6 Manual
C53000-G1176-C133-1
• (UURUZLWKDVXPPDU\DODUP (F.No. 140, i.e. general device failure)
• $ODUPVXPPDU\HYHQW (F.No. 160, i.e. general supervision alarm)
• )DLOXUHJHQHUDOFXUUHQWVXSHUYLVLRQ (F.No. 161)
• )DLOXUHJHQHUDOYROWDJHVXSHUYLVLRQ (F.No. 164)
Table 6-12 Summary of the device response to detected failures
Monitoring Possible causes Alarm (function no.) Failure response
General alarms
Output
Auxiliary voltage failure external (aux. supply)
internal (converter)
all LEDs dark or
“(UURU 9” (144)
device out of service or
general alarm: 140
D.OK
2
) resets
Measured value
acquisition
internal (converter or
reference voltage)
LED „ERROR”
“(UURU$'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$'FRQY”
LED “ERROR” (192,
181)
general alarm: 140
protection out of service
D.OK
2
) resets
Calibration data internal (EEPROM or RAM) “$ODUP12FDOLEU”
(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
“(UURUQHXWUDO&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

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English