Panasonic MDDDT5540 - Manual (Page 104)

- App.30 -
P r N o .
P a r a m e t e r Range
F u n c t i o n
d e s c r i p t i o n
This filter is a primary delay filter that is inserted after the scaling
function in the command pulse input portion.
ÅEYou can set-up the time constant of the smoothing filter in
8 steps with Pr4C.
You can set-up the conditions for clearing the position error
counter, i.e. for issuing the counter clear signal (CL: CN I/F
Pin 4).
*1:Minimum time width of the CL signal
4 C
4 D
S m o o t h i n g
filter set-up
Counter clear
i n p u t
0 ~ 7
0 ~ 1
[ 0 ]
Details of Parameters
Conditions
Cleared with level (*1)
Cleared with edge (rising part)
Purpose of this filter
• Reduce the stepwise motion of the motor that may appear when the command input is rough.
• The command input may become rough when:
1) The scale ratio is large (10 times or greater)
2) The command frequency is low.
CL (pin 4)
min. 100 µs
Time constant
No filtering function
Small time constant
Large time constant
Value
0
[ 1 ]
~
7
Value
[ 0 ]
1