4-11
Chapter 4. BASIC OPERATION
Handling Precautions
•
When "0: RUN key disabled" is selected for "
C-02
: RUN key
operation and operating mode selection when power turned
ON" in the function setup, the operating mode is not changed
even though the RUN key is pressed.
•
If “5,” “6,” or “8” (operation mode switching) is selected for one
of the external contact input function assignments (
C-
10
to
C-
12
) in the function setup and if the valve is set to fully
closed or fully open mode by external contacts, the operation
mode cannot be switched using the [RUN] key.
If the valve is set to control mode by external contacts, the op-
eration mode can be switched using the [RUN] key.
In the same manner, if “1” or “5” (operation mode switching)
is selected for external 3-way switching input function
C-09
and if the valve is set to fully closed or fully open mode by
external 3-way switching input, the operation mode cannot be
switched using the [RUN] key.
If the valve is set to control mode by external 3-way switching
input, the operation mode can be switched using the [RUN]
key.
•
The fully open mode cannot directly be changed to the con-
trol mode. To make the change, press the RUN key to change
the fully open mode to the fully closed mode. After that, press
the RUN key again to change the fully closed mode to the
control mode.
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