Mitsubishi Electric MELSERVO MR-J2-A Product Specifications And Installation Manual page 114

3.WIRING
(5) Speed/torque control change mode
Set 3 in parameter No. 0 to switch to the speed/torque control change mode.
1) Control change (LOP)
Use control change (LOP) to switch between the speed control mode and the torque control
mode from an external contact. Relationships between LOP-SG status and control modes
are indicated in Table 3-9.
The control mode may be changed at any time. A change timing chart is shown in Fig. 3-15.
Servo motor speed
Analog torque
command (TC)
Control change (LOP)
2) Speed setting in speed control mode
As in 1)a, (2) in this section.
3) Torque limit in speed control mode
As in 1), (1) in this section.
Table 3-9 Control Selection
Across LOP-SG Servo Control Mode
Open
Speed control mode
Short
Torque control mode
Speed control mode Torque control mode Speed control mode
10V
0
ON
OFF
Note: When the start signal (ST1/ST2) is switched off as soon as the
mode is changed to speed control, the servo motor comes to a stop
according to the deceleration time constant.
Fig. 3-15 S/T Change Timing Chart
3– 29
(Note)
Load torque
Forward rotation in driving mode
3