41
[Description]
• This parameter is used for reducing the fluctuation of in-
put signal (filter function).
For example, when the input filter constant is set to 5
seconds, the PV changes as shown in right figure while
input changes from 0 to 100% suddenly. It takes 5 sec-
onds for the PV to change from 0 to 63.2%.
[Note]
The factory default setting is 5.0 (5 seconds). Do not
change this parameter as long as changing is not of abso-
lute necessity.
Time constant of input filter (Setting range: 0.0 to 900.0 seconds)
[Setting example] Changing the filter constant from 5.0 (5 seconds) to 10.0 (10 seconds)
X
100
63
(%)
Y
Control output
Input
filter
PID
°C
Input
PV display
t
5 seconds
Press the key once. will be displayed and will be registered for . After that,
the controller will operate with the filter constant being 10.0.
Press and hold the key for three seconds.
will be displayed.
Press the or keys to flicker and to display .
(Repeat the procedure from 3 to 5 to check the set value.)
Press the key once.
The current setting ( ) will be displayed.
Press the key to display .
SEL
SEL
SEL
1.
4.
If you want to display the operation status, press and hold the key for two seconds.
The SV will be displayed on the display area.
If unoperated state continues, the PV will be displayed.
6.
2.
3.
SEL
5.
Display Operating procedure
PV indication
PV indication
SV indication
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