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4 Feed Axis Operation
4.1.2 Acceleration/Deceleration Filters
4-6
Set SVCMD_CTRL.ACCFIL to 2 (moving average position reference filter) for the INTERPOLATE (34 hex)
command.
If the bit field for SVCMD_CTRL (ACCFIL) is set to 1, set the filter time constant in SERVOPACK parame-
ter Pn811.
If the bit field for SVCMD_CTRL (ACCFIL) is set to 2, set the filter time constant in SERVOPACK parame-
ter Pn812.
(1) Position Reference Filter Selection
(2) Parameters Related to Position Reference Filters
Note: The value is updated after pulse distribution is completed (DEN = 1) and positioning is completed
(SVCMD_IO.PSET = 1).
Acceleration/Deceleration Filter
Moving Average Filter
Before filter (reference every 2 ms)
After filter (with moving average filter)
100%
63.2%
36.8%
Pn811
Pn811
Reference pulse
frequency
Before filter
After filter
Time
100%
Pn812
Pn812
Before filter
After filter
Time
Reference pulse
frequency
Pn812
Pn812
100%
Before filter
After filter
Time
Reference pulse
frequency
Bits
Name
Function
Setting Range
4 and 5
ACCFIL
Position Reference Filter
Selection
0
No position reference filter
1
Exponential position reference filter
2
Moving average position reference filter
3
Reserved.
No.
Name
Unit
Setting Range
Factory
Setting
When Enabled
Pn811
Exponential Function Acceleration/
Deceleration Time Constant
(when ACCFIL is set to 1)
0.1 ms
0 to 5100
0
Immediately
Pn812
Moving Average Time
(when ACCFIL is set to 2)
0.1 ms
0 to 5100
0
Immediately