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9   Details on Servo Parameters
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
9-2  Common Control Objects
9
9-2-10  3021 hex: Velocity Command Filter
Sets the velocity command filter.
 
• Sets the acceleration time during acceleration.
• Sets the time to accelerate from 0 to 1,000 r/min.
• Sets the deceleration time during deceleration.
• Sets the time to decelerate from 1,000 to 0 r/min.
• Selects whether to enable or disable the IIR filter in the velocity command filter.
 Description of Set Values
 
• Sets the cutoff frequency for the IIR filter.
9-2-10 3021 hex: Velocity Command Filter
Index 
(hex)
Sub-
index 
(hex)
Object name
Setting 
range
Unit
Default 
setting
Data 
attri-
bute
Size Access
PDO 
map
Complete 
access
Modes of 
opera-
tion
3021 --- Velocity Com-
mand Filter
--- --- --- --- --- --- --- Possible ---
00 Number of 
entries
--- --- 04 hex --- 1 byte 
(U8)
RO --- --- ---
01 Acceleration 
Time
0 to 
10,000
ms 0 E 4 bytes 
(INT32)
RW --- --- csv, pv
02 Deceleration 
Time
0 to 
10,000
ms 0 E 4 bytes 
(INT32)
RW --- --- csv, pv
03 IIR Filter Enable 0 to 1 --- 0 A 4 bytes 
(INT32)
RW --- --- csv, pv
04 Filter Cutoff Fre-
quency
10 to 
50,000
0.1 Hz 50,000 E 4 bytes 
(INT32)
RW --- --- csv, pv
Subindex 01 hex: Acceleration Time
Subindex 02 hex: Deceleration Time
Subindex 03 hex: IIR Filter Enable
Set 
value
Description
0 Disabled
1 Enabled
Subindex 04 hex: Filter Cutoff Frequency