CHAPTER 3 OPERATION
Operation 3-11
3
3.4.4 Torque Control
The shaft output torque is controlled under the torque control according to torque command voltage
input [TREF] of the servo amplifier or a parameter setting.
If parameter PA1_01 is set at "2," the torque control mode starts after the RDY signal is turned on.
The torque is output while the manual forward command [FWD] or manual reverse command [REV]
signal is turned on, while the torque is reduced to zero after the signal is turned off.
Use parameter PA1_60 to specify the torque setting filter.
The maximum motor rotation speed can be controlled.
No. Name Setting
Default
value
Change
PA2_56
Speed limit selection
at torque control
0: Parameter (PA1_26)
1: As per multi-step speed selection incl.
VREF terminal voltage
0 Power
The speeds corresponding to multi-step speed selection (X3, X2 and X1) are given with
PA1_41 to PA1_47, or [VREF] terminal.
Because the speed control is not performed, the actual speed limit level is different.
[RDY]
ON
ON
Torque
OFF
Torque setting filter
Manual forward
command [FWD]
TREF voltage
Applied
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