3.7 Adjusting Control Operation
E5EK
3--15
The following diagram summarizes manual operation.
OFF ON
A/M
0
Manipulated variable (%)
Balance-less, bump-less points
Manual
Auto
Time
Manipulated variable
switched
Power inter-
ruption
F Position-proportional type
• When a potentiometer is connected to the controller, the process value
is disp layed on the No.1 display, and the valve opening is displayed on
the No.2 display.
When a potentiometer is not connected to the controller, [ ----] is dis-
played on the No.2 display.
Process value
Valve opening
[MANU] LED
Process value
Valve opening
[MANU] LED
Potentiometer connected Potentiometer not connected
• When you press the key, the open side becomes ON. When you
press the
key, the close side becomes ON.
• Other modes cannot be selected while in the manual mode. To select
other modes, press for 1 second minimum the
A/M key. The manual
mode is quit.
• The automatic return of display function does not work while in the
manual mode.
• You can switch the AUTO/M ANUAL function up to 100,000 times.
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