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
Table 487.
• Hardware dependent internal signals are collected depending on the hardware
configuration, see Table 488.
Explanations of internal signals are listed in
Table 489.
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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