Acceleration/deceleration type – Yaskawa MP920 Motion Module User Manual
Page 213
5.4 SVA-01A and SVA-02A Parameters
5-71
5
Acceleration/Deceleration Type
Acceleration/deceleration is broadly classified as linear, S-curve and exponential accelera-
tion/deceleration. A bias speed can also be set for linear and exponential acceleration/decel-
eration.
Acceleration/Deceleration Type
Acceleration/
Deceleration
Type
Relevant Motion Parameters
Description
Linear
Acceleration/
Deceleration
• Bias speed
Motion fixed parameter No. 35
• OW0C
Motion setting parameter:
Linear Acceleration Time Constant
• OW0D
Motion setting parameter:
Linear Deceleration Time Constant
• Set the time it takes to reach rated motor speed for the
acceleration/deceleration time constant.
• Set motion fixed parameter No. 35: Bias Speed to 0.
Linear
Acceleration/
Deceleration
With Bias
• Bias speed
Motion fixed parameter No. 35
• OW0C
Motion setting parameter:
Linear Acceleration Time Constant
• OW0D
Motion setting parameter:
Linear Deceleration Time Constant
Set the time it takes to reach rated motor speed at the acceler-
ation/deceleration time constant.
S-curve
Acceleration/
Deceleration
(Average Move)
• OW0C
Motion setting parameter:
Linear Acceleration Time Constant
• OW0D
Motion setting parameter:
Linear Deceleration Time Constant
• OW14
Motion setting parameter:
Filter Time Constant Setting
• OB214 to OB217
Motion setting parameter:
Filter Type Selection
Set the Filter Type Selection to 2 (average movement filter).
OW
0C
Rated motor speed
Speed
(%)
0
Time (t)
OW
0D
Linear Acceleration
Time Constant
Linear Deceleration
Time Constant
OW
0C
Rated motor speed
Speed
(%)
0
Time (t)
OW
0D
Linear Acceleration
Time Constant
Linear Deceleration
Time Constant
Bias speed
OW
14
OW
14 OW
14
OW
14
OW
0C
Linear Acceleration
Time Constant
OW
0C
Linear Deceleration
Time Constant
Filter time
constant
0
Rated motor speed
Time (t)
Speed
(%)