User Manual

99
9.2 Set Value Lock
Locks the set values to prevent setting errors.
Make a selection in [Set value lock] in Engineering mode.
The setting item to be locked depends on the selection.
Selection Item
Change via Keypad
Change via Software Communication
Unlock
All set values can be changed.
All set values can be changed.
Lock 1
None of the set values can be changed.
Lock 2
In Fixed value control, only SV and
Alarm value can be changed.
In Program control, Step SV, Step time
and Alarm value can be changed.
Lock 3
All set values can be changed.
Setting items – except Input type,
Controller/Converter – can be changed
temporarily via software communication.
However, if power is turned ON again,
setting values revert to the values
before Lock 3, 4 or 5 was selected.
Lock 4
None of the set values can be changed.
Lock 5
In Fixed value control, only SV and
Alarm value can be changed.
In Program control, Step SV, Step time
and Alarm value can be changed.
(Example) Selecting Lock 2
Power ON
RUN mode
PV/SV Display
+ (3 sec)
Engineering mode
Set value lock
or
Select Lock 2.
(Many times) or (3 sec)
RUN mode
Converter
Now, selection is complete.