It is possible that the behavior is also influenced by other sources as well, independent
of the mode, such as the insertion of the test handle, loss of SV, and IED configuration
or LHMI. If a function of an IED is set to
Off
, the related
Beh
is set to
Off
as well. The
related mod keeps its current state.
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.
23.12.2
Setting guidelines
M15260-3 v6
There are two possible ways to place the IED in the
TestMode
=
Enabled
” state. If, the
IED is set to normal operation (
TestMode
=
Disabled
), 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.
1MRK 502 071-UUS A
Section 23
Basic IED functions
Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
787
Application manual
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