10.8.3.1 Forcing by using LHMI
GUID-D885671F-79E5-4B75-8777-B59E44F6FCFC v1
Editing a signal value directly
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• Edit the input/output value directly to select the desired logical level, by doing following:
1. Select the value line of the desired signal, see figure
21.
2. Press the Enter key to edit the value.
IEC15000021 V1 EN-US
Figure 21: Value line of the desired signal
3. Use the up/down arrows on the LHMI to change the signal value or the appropriate menu in
PCM600.
The status of the signal changes automatically to Forced (i.e. there is no need to set the status
to Forced manually).
On the LHMI, these edit changes have immediate effect. This means that the value
changes directly when the up/down arrow is pressed (i.e. there is no need to press the
Enter key to effectuate the change).
When navigating away from a LHMI forcing menu for an I/O board, the user is prompted to either leave
the signals forced, or to revert all of them back to the unforced state.
IEC15000022 V1 EN-US
1MRK 504 165-UUS Rev. J Section 10
Testing IED operation
Transformer protection RET670 89
Commissioning manual
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