Specifications

3
3.WIRING
3– 29
(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.
Servo Control ModeAcross LOP-SG
Open
Short
Table 3-9 Control Selection
Speed control mode
Torque control mode
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.
ON
OFF
Control change (LOP)
Servo motor speed
10V
0
Analog torque
command (TC)
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
(Note)
Speed control mode Torque control mode Speed control mode
Forward rotation in driving mode
Load torque
The control mode may be changed at any time. A change timing chart is shown in Fig. 3-15.