KE300A Inverter Parameter Description
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A0-05
Torque control forward maximum
frequency
Factory default
50.00Hz
Setting range
0.00Hz ~ P0-10 (maximum frequency)
A0-06
Torque control reverse maximum
frequency
Factory default
50.00Hz
Setting range
0.00Hz ~ P0-10 (maximum frequency)
It is used to set forward or reverse maximum running frequency in torque control.
When torque control, if the load torque is smaller than the motor output torque, the motor speed will
increase, and the motor maximum speed should be limited to protect mechanical system from galloping or
other accidents.
A0-07
Torque control acceleration time
Factory default
0.00s
Setting range
0.00s ~ 36000s
A0-08
Torque control deceleration time
Factory default
0.00s
Setting range
0.00s ~ 36000s
The speed variation rate of the motor and load is determined by the difference between the motor output
torque and the load torque in torque control mode. So the motor speed may change rapidly, and causes
noise or mechanical stress too big, etc. The motor speed can change smoothly via setting torque control
ACC/DEC time.
Torque control ACC/DEC time should be set to 0.00s for the application which needs torque responding
rapidly.
For example: two motors drag one load by hard wiring, to make sure uniform distribution of loading, one
inverter is set to the master & adopts speed control mode, the other is set to the slave & adopts torque
control. The torque command of the slave is set to the actual output torque of the master, the slave torque
needs to follow the master rapidly, then the torque control ACC/DEC time should be set to 0.00s.
