
E5AK
5--5
·
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 variable,
change it using the
or
keys.
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
A/M
key for 1 second mini-
mum. To exit this mode, press the
A/M
key for 1 second minimum. The mode 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 standard
type controller when you press the
or
keys, the manipulated variable is
changed. On a position-proportional type controller when you press the
key, the
open side becomes ON, and when you press the
key, the close side becomes ON.
·
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.
Process value
Manipulated variable
[MANU] LED
Bar graph
·
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 displayed
on the No.2 display. The valve opening is also displayed on the bar graph in 10% incre-
ments. When a potentiometer is not connected to the controller, [----] is displayed on
the No.2 display, and nothing is displayed on the bar graph.
Process value
Valve opening
[MANU] LED
Bar graph
Process value
Valve opening
[MANU] LED
Bar graph
Potentiometer connected
Potentiometer not connected
·
On standard type controllers, the manual MV is held when the power is interrupted.
·
Standard type
Control Method
Setting Range
Unit
Default
Standard
-5.0 to 105.0
%
0
Heating and cooling
-105.0 to 105.0
%
0
·
Position-proportional type
Control Method
Monitor Range
Unit
Position-proportional
-10.0 to 110.0
%
F
Related article
3.7 Adjusting Control Operation (page 3-14)
Manual Mode
Function
Comment
See