12.8.3.1 Forcing by using LHMI
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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
40.
2. Press the Enter key to edit the value.
IEC15000021 V1 EN-US
Figure 40: 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.
Section 12 1MRK 502 073-UUS A
Testing IED operation
132 Generator protection REG670 2.2 ANSI and Injection equipment REX060, REX061, REX062
Commissioning manual
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