Mitsubishi Electric MELSERVO-J4 Instruction Manual page 170

5. HOW TO USE THE PROGRAM
3) Program example 3
Using the S-pattern acceleration/deceleration time constants reduces abrupt movements at
acceleration or deceleration. When the "STD" command is used, [Pr. PC03 S-pattern
acceleration/deceleration time constant] does not function.
Command
SPN (1000)
STC (100)
STD (10)
MOV (2000)
STOP
Servo motor speed
Servo motor speed
Acceleration/deceleration time
constant
S-pattern acceleration/deceleration
time constant
Absolute value travel command
Program stop
b) Acceleration/deceleration
time constant (1000 ms)
Forward
rotation
0 r/min
c) S-pattern acceleration/
deceleration time constant
(10 ms)
5 - 11
Description
1000 [r/min]
1000 [ms]
10 [ms]
STM
2000 [×10 μm]
c) c)
a) Servo motor speed
(1000 r/min)
a)
b)
c)
d)
b) Acceleration/deceleration
time constant (1000 ms)
d) Absolute value travel command
μm)
STM
(2000 × 10
c)