2.15 Monitoring Functions
211
7SD610 Manual
C53000-G1176-C145-4
Table 2-7 Summary of malfunction responses of the device
Supervision Possible Causes Malfunction Response Indication (No.) Device
Auxiliary Supply Voltage
Loss
External (aux. voltage) inter-
nal (converter)
Device out of operation or
alarm
All LEDs dark
„Error 5V“ (144)
DOK
2)
drops out
Measured Value Acqui-
sition
Internal (converter or refer-
ence voltage)
Protection out of opera-
tion, alarm
LED „ERROR“
„Error A/D-conv.“
(181)
DOK
2)
drops out
Buffer battery Internal (battery) Indication „Fail Battery“ (177) As allocated
Hardware Watchdog Internal (processor failure) Device not in operation LED „ERROR“ DOK
2)
drops out
Software Watchdog Internal (program sequence) Restart attempt
1)
LED „ERROR“ DOK
2)
drops out
RAM Internal (RAM) Restart attempt
1)
),
Restart abort
Device not in operation
LED flashes DOK
2)
drops out
ROM Internal (EPROM) Restart attempt
1)
LED „ERROR“ DOK
2)
drops out
Settings memory internal (Flash-EPROM or
RAM)
Restart attempt
1)
LED „ERROR“ DOK
2)
drops out
Sampling frequency Internal (clock generator) Restart attempt
1)
LED „ERROR“ DOK
2)
drops out
1 A/5 A setting 1/5 A jumper wrong Messages:
Protection out of operation
„Error1A/5Awrong“
(192) „Error A/D-
conv.“ (181)
LED „ERROR“
DOK
2)
drops out
Adjustment values Internal (EEPROM or RAM) Indication:
Using default values
„Alarm adjustm.“
(193)
As allocated
Modules Module does not comply
with ordering number
(MLFB).
Messages:
Protection out of operation
„Error Board
BG1...7“ (183 ...
189)
and if applicable
„Error A/D-conv.“.
(181)
DOK
2)
drops out
Current sum internal (measured value ac-
quisition)
Message
Total blocking of the differ-
ential protection
„Failure Σi“ (289) as allocated
Current symmetry External (power system or
current transformer)
Indication „Fail I balance“ (163) As allocated
Broken Wire External (power system or
current transformer)
Indication
Phase-selective blocking
of the differential protec-
tion
„Broken Iwire L1“
(290), „Broken Iwire
L2“ (291), „Broken
Iwire L3“ (292)
As allocated
Voltage sum Internal (measured value
acquisition)
Indication „Fail Σ U Ph-E“ (165) As allocated
Voltage symmetry External (power system or
voltage transformer)
Indication „Fail U balance“
(167)
As allocated
Voltage phase se-
quence
External (power system or
connection)
Indication „Fail Ph. Seq.“ (171) As allocated
Voltage failure, 3-phase
„Fuse Failure Monitor“
External (power system or
connection)
Indication
Undervoltage protection
blocked,
Frequency protection
blocked
„VT FuseFail>10s“
(169),
„VT FuseFail“ (170)
As allocated
Voltage failure, 1-/2-
phase „Fuse Failure
Monitor“
External (voltage transform-
ers)
Indication
Undervoltage protection
blocked,
Frequency protection
blocked
„VT FuseFail>10s“
(169),
„VT FuseFail“ (170)
As allocated
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