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C4: Torque Compensation

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-01

(0215)

RUN

Torque Compensation Gain

Sets the gain for the torque compensation function. Use this parameter value for motor 1 when operating multiple motors.

Note:

If A1-02 = 8 [Control Method Selection = EZOLV], you cannot change the setting while the drive is running.

Determined by A1-02

(0.00 - 2.50)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-02

(0216)

RUN

Torque Compensation Delay Time

Sets the torque compensation delay time. Usually it is not necessary to change this setting.

Note:

  • When A1-02 = 5 [Control Method Selection = OLV/PM], you cannot change the setting while the drive is running.

  • When A1-02 = 8 [EZOLV], you cannot change the setting while the drive is running.

Determined by A1-02

(0 - 60000 ms)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-03

(0217)

Torque Compensation @ FWD Start

Set the amount of torque reference for forward start as a percentage of the motor rated torque.

0.0%

(0.0 - 200.0%)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-04

(0218)

Torque Compensation @ REV Start

Sets the amount of torque reference for reverse start as a percentage of the motor rated torque.

0.0%

(-200.0 - 0.0%)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-05

(0219)

Torque Compensation Time

Sets the starting torque constant to use with C4-03 and C4-04 [Torque Compensation @ FWD/REV Start].

10 ms

(0 - 200 ms)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-06

(021A)

Motor 2 Torque Comp Delay Time

Sets the value if ov [Overvoltage] occurs with sudden changes in the load, at the end of acceleration, or at the start of deceleration.

150 ms

(0 - 10000 ms)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-07

(0341)

RUN

Motor 2 Torque Compensation Gain

Sets the gain for motor 2 torque compensation function when using the Motor Switch function.

1.00

(0.00 - 2.50)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-19

(0B8D)

Expert

Torque Ripple Suppress Min Freq

If there is slow oscillation at low speeds, adjust this setting. Usually it is not necessary to change this setting.

Increase this parameter in 1.0 Hz increments when current ripples and torque ripples occur during low-speed operation. Set this parameter to 0.0 to disable the function if increasing the value does not fix the problem.

0.1 Hz

(0.0 - 10.0 Hz)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-20

(0BCB)

Expert

Voltage Compensation Adjust 1

Sets voltage precision compensation. Usually it is not necessary to change this setting.

120 Hz

(0 - 200 Hz)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-21

(0BCC)

Expert

Voltage Compensation Adjust 2

Sets voltage precision compensation. Usually it is not necessary to change this setting.

5

(0 - 10)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-23

(1583)

Expert

Current Control Gain

Sets the Current control gain. Usually it is not necessary to change this parameter.

1.00

(0.50 - 2.50)

Details

No.

(Hex.)

Name

Description

Default

(Range)

Ref.

C4-25

(1BF4)

Expert

High-Speed Voltage Compensation

Sets the voltage compensation function for high-speed operation. Usually it is not necessary to change this setting.

Note:

Set C4-25 = 0 when there is audible noise or motor vibration during high-speed operation.

0
Disabled
 
1
Enabled
 

Determined by A1-02

(0, 1)

Details