HMI Signal Name: Status Description
Time Sync READY / FAIL This signal will be active when the
source of the time synchronization is
lost, or when the time system has to
make a time reset.
Application READY / FAIL This signal will be 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, etc.
RTE READY / FAIL This signal will be 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 READY / FAIL This signal will be active if the IEC 61850
stack did not succeed in some actions
like reading IEC 61850 configuration,
startup etc.
LMD READY / FAIL LON network interface, MIP/DPS, is in
an unrecoverable error state.
LDCMxxx READY / FAIL Line Differential Communication Error
status
OEM READY / FAIL Optical Ethernet Module error status
Also the internal signals, such as INT--FAIL and INT--WARNING can be connected to binary output
contacts for signalling to a control room.
In the IED Status - Information, the present information from the self-supervision function can be viewed.
Indications of failure or warnings for each hardware module are provided, as well as information about
the external time synchronization and the internal clock. All according to table
43. Loss of time
synchronization can be considered as a warning only. The IED has full functionality without time
synchronization.
When settings are changed in the IED, the protection and control applications restart in order to take
effect of the changes. During restart, internal events get generated and Runtime App error will be
displayed. These events are only indications and will be for short duration during the restart.
IED will not be operational during applications restart.
15.2.2 Using front-connected PC
M11763-203 v6
When an internal fault has occurred, extensive information about the fault can be retrieved from the list of
internal events available in the SMS part:
TRM-STAT TermStatus - Internal Events
The list of internal events provides valuable information, which can be used during commissioning and
fault tracing.
1MRK 504 165-UUS Rev. J Section 15
Troubleshooting
Transformer protection RET670 307
Commissioning manual
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