ABB Relion 630 Series, Technical Manual

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Table 63: Explanations of internal signals
Name of signal Reasons for activation
Internal Fail This signal is active if one or more of the following internal
signals are active; Real Time Clock Error, Runtime App
Error, Runtime Exec Error, SW Watchdog Error, File System
Error
Internal Warning This signal is active if one or more of the following internal
signals are active; IEC 61850 Error, DNP3 Error
Real Time Clock Error This signal is active if there is a hardware error with the real
time clock.
Time Synch Error This signal is active when the source of the time
synchronization is lost, or when the time system has to make
a time reset.
Runtime Exec Error This signal is active if the Runtime Engine failed to do some
actions with the application threads. The actions can be
loading of settings or parameters for components, changing
of setting groups, loading or unloading of application threads.
IEC61850 Error This signal is active if the IEC 61850 stack did not succeed in
some actions like reading IEC 61850 configuration, startup,
for example.
SW Watchdog Error This signal is activated when the IED has been under too
heavy load for at least 5 minutes. The operating systems
background task is used for the measurements.
Runtime App Error This signal is active if one or more of the application threads
are not in the state that Runtime Engine expects. The states
can be CREATED, INITIALIZED, RUNNING, for example.
Setting(s) Changed This signal generates an internal event to the internal event
list if any setting(s) is changed.
Setting Group(s) Changed This signal generates an internal event to the Internal Event
List if any setting group(s) is changed.
Change Lock This signal generates an internal Event to the Internal Event
List if the Change Lock status is changed
File System Error This signal is active if both the working file and the backup file
are corrupted and cannot be recovered.
3.15.4.2 Run-time model
The analog signals to the A/D converter is internally distributed into two different
converters, one with low amplification and one with high amplification, see
Figure
51 .
Section 3
1MRS757256 F
Basic functions
96 PML630/Compact Load-Shedding Solution
Technical Manual