Functions
248
7UM62 Manual
C53000-G1176-C149-3
Table 2-13
Overview of Error Reactions by the Protection Relay
Monitoring
Possible Cause
Reaction
Annunciation
Output
Supply voltage failure
External (power supply)
internal (converter)
Relay goes out of service all LEDs go dark
DOK
2
) drops
out
Internal supply-
voltages
Internal (converter) or
Reference voltage
Relay goes out of service ”ERROR” LED
”
(FNo. 000181)
DOK
2
) drops
out
Battery
Internal (battery)
Annunciation
”
”
(FNo. 000177)
Hardware Monitoring
Internal (processor failure)
Relay goes out of
service
1
)
”ERROR” LED
DOK
2
) drops
out
Software Monitoring
Internal (program execution) Relay attempts restart
1
)
”ERROR” LED
DOK
2
) drops
out
ROM
Internal (hardware)
Relay aborts restart
Relay goes out of service
LED flashes
DOK
2
) drops
out
RAM
Internal (hardware)
During startup
LED flashes
DOK
2
) drops
out
During operation:
Relay attempts restart
1
)
”ERROR” LED
Parameter memory
Intern (hardware)
Relay attempts restart
1
)
”ERROR” LED
DOK
2
) drops
out
Sampling frequency
Internal (hardware)
Relay goes out of service ”ERROR” LED
DOK
2
) drops
out
1 A/5 A changeover
Side 1
Jumper for 1 A/5 A for side 1
misconnected
Relay goes out of service
Annunciation
”ERROR” LED
”
(FNo. 000210
DOK
2
) drops
out
1 A/5 A changeover
Side 2
Jumper for 1 A/5 A for side 2
misconnected
Relay goes out of service
Annunciation
”ERROR” LED
”
(FNo. 000211)
DOK
2
) drops
out
Voltage/current
changeover at TD1
Jumper setting for meas-
uring transducer 1 does not
match parameter 0295
Relay goes out of service
Annunciation
”ERROR” LED
”
Err. TD1 jumper
”
(FNo. 0212)
DOK
2
) drops
out
Voltage/current
changeover at TD2
Jumper setting for meas-
uring transducer 2 does not
match parameter 0296
Relay goes out of service
Annunciation
”ERROR” LED
”
Err. TD2 jumper
”
(FNo. 0213)
DOK
2
) drops
out
Filter on/off
changeover at TD3
Jumper setting for meas-
uring transducer 3 does not
match parameter 0297
Relay goes out of service
Annunciation
”ERROR” LED
”
Err. TD3 jumper
”
(FNo. 0214)
DOK
2
) drops
out
Current sum
Side 1
Internal (measured value
acquisition)
Annunciation
”
(FNo. 000230),
as masked
Current sum
Side 2
Internal (measured value
acquisition)
Annunciation
”
(FNo. 000231)
as masked
Current symmetry
Side 1
External (power system or
current transformer)
Annunciation
”
”
(FNo. 000571)
as masked
1
) After three unsuccessful restart attempts, the device will go out of service
2
) DOK = ”Device Okay” = Ready for service relay drops off, protection and control function are blocked, HMI might be
still accessible