Position-Proportional Type - Omron E5AK User Manual

Manipulated variable (%)
Manual
A/M
Auto
F Position-proportional type
• If the power is interrupted during manual operation, manual opera-
tion is resumed at the manipulated variable at power interruption
when the power is reset.
• You can switch the AUTO/MANUAL function up to 100,000 times.
The following diagram summarizes manual operation.
Balance-less, bump-less points
0
Manipulated variable
switched
• When a potentiometer is connected to the controller, the process value
is displayed on the No.1 display, and the valve opening is displayed on
the No.2 display. The valve opening is also displayed on the bar graph
in 10% increments.
When a potentiometer is not connected to the controller, [----] is dis-
played on the No.2 display, and nothing is displayed on the bar graph.
Potentiometer connected
Bar graph [MANU] LED
• When you press the
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
mode is quit.
• The automatic return of display function does not work while in the
manual mode.
• You can switch the AUTO/MANUAL function up to 100,000 times.
3.7 Adjusting Control Operation
OFF ON
Power inter-
ruption
Potentiometer not connected
Process value
Valve opening
Bar graph [MANU] LED
key, the open side becomes ON. When you
Time
Process value
Valve opening
key. The manual
A/M
3--15