When the setting
Operation
is set to
Off
, the behavior is set to
Off
and it is not
possible to override it. When a behavior of a function is
Off
the function will not
execute.
When IEC 61850 Mod of a function is set to
Off
or
Blocked
, the
Start LED on the LHMI will be set to flashing to indicate the
abnormal operation of the IED.
The IEC 61850-7-4 gives a detailed overview over all aspects of the test mode and
other states of mode and behavior.
•
When the
Beh
of a component is set to
Test
, the component is not blocked and
all control commands with a test bit are accepted.
•
When the
Beh
of a component is set to
Test/blocked
, all control commands
with a test bit are accepted. Outputs to the process via a non-IEC 61850 link
data are blocked by the LN. Only process-related outputs on LNs related to
primary equipment are blocked. If there is an XCBR, the outputs
EXC_Open
and
EXC_Close
are blocked.
•
When the
Beh
of a component is set to
Blocked
, all control commands with a
test bit are accepted. Outputs to the process via a non-IEC 61850 link data are
blocked by the LN. In addition, the components can be blocked when their
Beh
is
blocked
. This can be done if the component has a block input. The block
status of a component is shown as the
Blk
output under the
Test/Function
status
menu. If the
Blk
output is not shown, the component cannot be blocked.
15.11.2
Setting guidelines
M15260-3 v6
There are two possible ways to place the IED in the
TestMode
=
On
” state. If, the
IED is set to normal operation (
TestMode
=
Off
), but the functions are still shown
being in the test mode, the input signal INPUT on the TESTMODE function block
might be activated in the configuration.
Forcing of binary input and output signals is only possible when the IED is in IED
test mode.
15.12
Time synchronization TIMESYNCHGEN
IP1750-1 v2
15.12.1
Application
M11345-3 v10
Use time synchronization to achieve a common time base for the IEDs in a
protection and control system. This makes it possible to compare events and
disturbance data between all IEDs in the system.
Time-tagging of internal events and disturbances are an excellent help when
evaluating faults. Without time synchronization, only the events within one IED
Section 15
1MRK 511 423-UEN A
Basic IED functions
284
Bay control REC650 2.2 IEC
Application manual
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