C-10
3.3.2 Polarity of torque command
When using the torque limit function in torque control mode or speed control mode,
change the polarity of the torque command, as required.
Title
Function
Title Adjustment range
Default setting
Torque reference
mode selection
: Fixed direction
: Forward/reverse permitted
(1) Power-running/regenerative torque
This setting is used when the machine requires a frequent change in the direction of rotation of
the motor.
(2) Positive/negative torque
This setting is used when the machine requires a frequent change in the direction of rotation of
the motor, though a load is applied always in the same direction.
Positive torque
Forward run
Negative Torque
Reverse run
:
Power-running torque limit #1
:
Regenerative torque limit #2
Torque command
(Continuous forward/reverse)
Area
②
Area
①
Area
③
Area
④
:
Power running torque
limit #1
Forward run
Operation by forward run command (F)
Operation by Reverse run command (R)
Reverse run
Area
①
Area
②
Area
③
Area
④
:
Power running torque limit #1
:
Regenerative torque limit #1
:
Regenerative torque limit #1
Torque reference mode selection
→
:
Fixed direction
Reverse run prohibition
→
:
Prohibited except specified direction
Torque limit mode (polarity)
→
:
Power-running/regenerative torque limit
Torque reference mode selection
→
:
Forward/reverse permitted
Reverse run prohibition
→
:
Both directions allowed
Torque limit mode (polarity)
→
:
Positive/negative torque limit
Negative Torque
Positive torque
Negative Torque
Positive torque
Same
torque
reference