Fuji Electric Micro-Controller X Socket type - [P-Df] Time Constant of Input Filter (050)

48
Parameter functions and setting procedure
P-dF
Time constant of input lter (050)
[Description] –––––––––––––––––––––––––––––––––––––––––––––––––––––––
Y
Control
output
Input
filter
PID
X
This low-pass lter function reduces noise and signal
uctuation.
Setting range
0.0 to 120.0 sec
100
63
(%)
％
Input
PV display
t
Approx.
5 sec

If the input lter time constant is set to 5 and input is changed
from 0 to 100%, the PV display gradually changes, and it takes
about 5 seconds for the value to change from 0 to 63.2%, as
shown in the right gure.
The factory setting for input lter time constant is 5%.
Do not change this value unless absolutely necessary.
[Setting example] Setting the PV input lter time constant to 10 seconds –––––––
Display Operating procedure
1.
Press and hold the key for about three seconds during the SV/PV display.

appears.
2.
Press the key to display .
3.
Press the key.

The setpoint starts blinking.
4.
Press the , or keys to change “ 5.0 ” to “ 10.0 .”
5.
Press the key or wait for three seconds to save the change.
6.
Press the key.

The screen returns to the SV/PV display.