S-Pattern Acceleration/Deceleration Time Constant [A] - Mitsubishi Electric MELSERVO-J5 User Manual
Ac servo system
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Also See for MELSERVO-J5:
- User manual (478 pages) ,
- Sample screen manual (128 pages) ,
- Introduction manual (112 pages)
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S-pattern acceleration/deceleration time constant [A]
Setting S-pattern acceleration/deceleration time constant enables smooth start/stop of the servo motor.
This function is enabled when [Pr. PC03 S-pattern acceleration/deceleration time constants] is set.
Servo motor speed
Speed
command
0 r/min
(0 mm/s)
S-pattern acceleration/
deceleration time constant
• This function can be used in the speed control mode and torque control mode.
• This function is disabled when [Pr. PC03 S-pattern acceleration/deceleration time constants] is set to "0".
Precautions
• If the acceleration/deceleration time constant is set too long, the timing error may occur on the arc part against the setting
of the S-pattern acceleration deceleration time constant.
• If the S-pattern acceleration/deceleration time constant is set longer than the constant speed time, the speed may not reach
the command speed.
• The upper time limit on the arc part of the S-pattern acceleration/deceleration is limited by the setting value of the speed
acceleration/deceleration time constants. For details, refer to [Pr. PC03 S-pattern acceleration/deceleration time constants].
Setting method
Servo
Symbol
parameter
PC03
STC
3 BASIC FUNCTION
192
3.20 Acceleration/deceleration function [G] [A]
Speed
Speed
acceleration
deceleration
time constant
time constant
S-pattern acceleration/
deceleration time constant
Name
S-pattern acceleration/deceleration time constant
Time
Outline
Set the S-pattern acceleration/deceleration time constant.
Initial value: 0 [ms]
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