Monitoring Possible Causes Malfunction
Response
Message (No.) Output
Current phase sequence External (power
system or connec-
tion)
Message
Fail Ph. Seq. I
(175)
As allocated
Trip circuit monitoring External (trip circuit
or control voltage)
Message
74TC Trip cir.
(6865)
As allocated
Calibration data fault Internal (hardware) Message
Alarm NO calibr
(193)
As allocated
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 F.4 Group Alarms. In this case, it must be noted that
message 160
Alarm Sum Event
is only issued when the measured value monitoring functions (8101
MEASURE. SUPERV) are activated.
Functions
2.8 Monitoring Functions
SIPROTEC 4, 7SJ61, Manual 131
C53000-G1140-C210-6, Edition 05.2016
To Next Page
Loading...
