Parameter 7-10 Torque PI Feedback Source
Table 377: Parameter 7-10 Torque PID Feedback Source
7-10 Torque PID Feedback Source
Default value: [0] Controller off
Parameter type: Option
Setup: All setups
Conversion index: –
Data type: Uint8
Change during operation: True
Select the feedback source for the torque controller.
Option
Name
Description
[0]*
Controller off
Select to operate in open loop.
[1]
Analog input 53
Select to use torque feedback from the analog input.
[2]
Analog input 54
Select to use torque feedback from the analog input.
[3]
Estimated torque
Select to use the torque feedback estimated by the drive.
Parameter 7-12 Torque PI Proportional Gain
Table 378: Parameter 7-12 Torque PI Proportional Gain
7-12 Torque PI Proportional Gain
Default value: 100%
Parameter type: Range, 0 - 500%
Setup: All setups
Conversion index: 0
Data type: Uint16
Change during operation: True
Enter the proportional gain value for the torque controller. Selection of a high value makes the controller react faster. Too high a
setting leads to controller instability.
Parameter 7-13 Torque PI Integration Time
Table 379: Parameter 7-13 Torque PI Integration Time
7-13 Torque PI Integration Time
Default value: 0.020 s
Parameter type: Range, 0.002 - 2 s
Setup: All setups
Conversion index: -3
Data type: Uint16
Change during operation: True
Enter the integration time for the torque controller. Selection of a low value makes the controller react faster. Too low a setting
leads to controller instability.
Parameter 7-16 Torque PI Lowpass Filter Time
Table 380: Parameter 7-16 Torque PI Lowpass Filter Time
7-16 Torque PI Lowpass Filter Time
Default value: 5 ms
Parameter type: Range, 0.1 - 100 s
Setup: All setups
Conversion index: -4
Data type: Uint16
Change during operation: True
Enter the time constant for the torque control low-pass filter.
Parameter 7-18 Torque PI Feed Forward Factor
Table 381: Parameter 7-18 Torque PI Feed Forward Factor
7-18 Torque PI Feed Forward Factor
Default value: 0%
Parameter type: Range, 0 - 100%
Setup: All setups
Conversion index: 0
Data type: Uint16
Change during operation: True
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Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide