Manual Mv - Omron E5AK User Manual

• In this mode, manual operations are possible, and the "MANU" LED lights.
• When this mode is selected, the manipulated variable that was active immediately
before the mode was switched to is output. When changing the manipulated vari-
able, change it using the
If this mode is switched to during auto-tuning, auto-tuning is canceled.
• To select this mode when in the level 0 to 2 modes, press the
minimum. To exit this mode, press the
changes to the level 0 mode.
• "Manual MV" is the only parameter available in this mode.

Manual MV

• Sets the manipulated variable for manual operation or the valve opening. On a stan-
dard type controller when you press the
changed. On a position-proportional type controller when you press the
Function
open side becomes ON, and when you press the
• On a standard type controller, the process value is displayed on the No.1 display
and the manipulated variable is displayed on the No.2 display. The manipulated
variable on the heating side is also displayed on the bar graph in 10% increments.
• When a potentiometer is connected on a position-proportional type controller, the
process value is displayed on the No.1 displayed, and the valve opening is dis-
played 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
displayed on the No.2 display, and nothing is displayed on the bar graph.
• On standard type controllers, the manual MV is held when the power is inter-
rupted.
• Standard type
Control Method
Standard
Comment
Heating and cooling
• Position-proportional type
Control Method
Position-proportional
F Related article
3.7 Adjusting Control Operation (page 3-14)
See
Process value
Manipulated variable
Bar graph [MANU] LED
Potentiometer connected
Bar graph [MANU] LED
Setting Range
-5.0 to 105.0
-105.0 to 105.0
Monitor Range
-10.0 to 110.0
or keys.
key for 1 second minimum. The mode
A/M
or keys, the manipulated variable is
key, the close side becomes ON.
Potentiometer not connected
Process value
Valve opening
Bar graph [MANU] LED
Unit
%
%
Unit
%
Manual Mode
A/M key for 1 second
key, the
Process value
Valve opening
Default
0
0
5--5