Table of Contents
Advertisement
Functions
2.5 Supervision Functions
Monitoring
Error in the I/O-board
Offset monitoring
Voltage symmetry
Voltage phase sequence
Trip circuit monitoring
Secondary voltage transformer
circuit monitoring
Calibration data fault
1)
After three unsuccessful restart attempts, the device is shut down.
2)
DOK = "Device Okay" = Ready for service relay drops off, protection and control functions are blocked.
Group Alarms
Certain messages of the monitoring functions are already combined to group alarms. A listing of the group
alarms and their composition is given in the Appendix
message 160
Alarm Sum Event is only issued when the measured value monitoring functions (8101
MEASURE. SUPERV) are activated.
70
Possible Causes
Malfunction
Response
Internal (hardware)
Device shutdown
Internal (hardware)
Device shutdown
External (power
Message
system or voltage
transformer)
External (power
Message
system or connec-
tion)
External (trip circuit
Message
or control voltage)
External (voltage
Message
transformer circuit
interruption)
Internal (hardware)
Message
Message (No.)
I/O-Board error
(178),
LED "ERROR"
Error Offset (191) DOK
Fail V balance
(167)
Fail Ph. Seq. V
176)
74TC Trip cir.
(6865)
VT brk. wire (253) As allocated
Alarm NO calibr
(193)
E.4 Group
Indications. In this case, it must be noted that
C53000-G1140-C233-4, Edition 07.2018
Output
DOK
2)
drops
out
2)
drops
out
As allocated
As allocated
As allocated
As allocated
SIPROTEC 4, 7RW80, Manual
Advertisement
Table of Contents
