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15.1.4.1
Internal signals
SELFSUPEVLST function provides several status signals, that tells about the condition
of the IED. As they provide information about the internal status of the IED, they are also
called internal signals. The internal signals can be divided into two groups.
•
Standard signals are always presented in the IED, see
.
•
Hardware dependent internal signals are collected depending on the hardware
configuration, see
Explanations of internal signals are listed in
Table 487:
SELFSUPEVLST standard internal signals
Name of signal
Description
Internal Fail
Internal fail status
Internal Warning
Internal warning status
Real Time Clock Error
Real time clock status
Time Synch Error
Time synchronization status
Runtime App Error
Runtime application error status
Runtime Exec Error
Runtime execution error status
IEC61850 Error
IEC 61850 error status
SW Watchdog Error
SW watchdog error status
Setting(s) Changed
Setting(s) changed
Setting Group(s) Changed
Setting group(s) changed
Change Lock
Change lock status
File System Error
Fault tolerant file system status
DNP3 Error
DNP3 error status
Table 488:
Self-supervision's hardware dependent internal signals
Card
Name of signal
Description
PSM
PSM-Error
Power supply module error status
TRM
TRM-Error
Transformator module error status
COM
COM-Error
Communication module error status
BIO
BIO-Error
Binary input/output module error status
AIM
AIM-Error
Analog input module error status
1MRK 511 287-UUS A
Section 15
Basic IED functions
587
Technical manual
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