Mitsubishi Electric MELSERVO-J4 Instruction Manual page 188

5. HOW TO USE THE PROGRAM
(l) Torque limit value switching (TLP/TLN/TLP)
Using the maximum torque as 100.0%, limit the generated torque of the servo motor.
1) Program example
Command
SPN (1500)
STA (100)
STB (200)
MOV (1000)
SYNC (1)
TLP (800)
SYNC (2)
TLN (500)
TIM (100)
MOV (500)
SYNC (3)
TQL (300)
STOP
Forward
Servo motor speed
rotation
0 r/min
Reverse
rotation
Forward rotation torque limit
Reverse rotation torque limit
PI1 (Program input 1)
PI2 (Program input 2)
PI3 (Program input 3)
Servo motor speed
Acceleration time constant
Deceleration time constant
Absolute value travel command
Suspend the step until PI1 (Program input) is switched on.
Forward rotation torque limit
Suspend the step until PI2 (Program input) is switched on.
Reverse rotation torque limit
Dwell
Absolute value travel command
Suspend the step until PI3 (Program input) is switched on.
Torque limit
Program stop
PA11 setting
PA12 setting
ON
OFF
ON
OFF
ON
OFF
Description
1500 [r/min]
100 [ms]
200 [ms]
STM
1000 [×10 μm]
800 [0.1%]
500 [0.1%]
100 [ms]
STM
1000 [×10 μm]
300 [0.1%]
e) 100 ms
80.0%
b) Forward rotation torque limit
50.0%
d) Reverse rotation
torque limit
a) PI1-on
c) PI2-on
5 - 29
a)
b)
c)
d)
e)
f)
g)
h)
h) Program stop
30.0% PA11 setting
g) Torque limit
30.0% PA12 setting
g) Torque limit Torque limit value
returns to parameter
setting value by
program stop.
f) PI3-on