Danfoss VLT AutomationDrive EZ FC 321 Programming Manual page 81

VLT® AutomationDrive EZ FC 321
Programming Guide
to [1] Speed closed loop or [2] Torque torque control with speed feedback or when parameter 1-01 Motor Control Principle is set to [0]
U/f.
Parameter 1-63 Slip Compensation Time Constant
Table 115: Parameter 1-63 Slip Compensation Time Constant
1-63 Slip Compensation Time Constant
Default value: Size related
Conversion index: -2
Parameter 1-63 Slip Compensation Time Constant has no effect when parameter 1-10 Motor Construction = [1] PM, nonsalient SPM.
Enter the slip compensation reaction speed. A high value results in slow reaction, and a low value results in quick reaction. If low-
frequency resonance problems arise, use a longer time setting.
Parameter 1-64 Resonance Damping
Table 116: Parameter 1-64 Resonance Damping
1-64 Resonance Damping
Default value: Size related
Conversion index: 0
Parameter 1-64 Resonance Damping has no effect when parameter 1-10 Motor Construction = [1] PM, nonsalient SPM.
Enter the resonance damping value. Set parameter 1-64 Resonance Damping and parameter 1-65 Resonance Damping Time Constant
to help eliminate high-frequency resonance problems. To reduce resonance oscillation, increase the value of parameter 1-64 Reso-
nance Damping.
Parameter 1-65 Resonance Damping Time
Table 117: Parameter 1-65 Resonance Damping Time Constant
1-65 Resonance Damping Time Constant
Default value: 5 ms
Conversion index: -3
Parameter 1-65 Resonance Damping Time Constant has no effect when parameter 1-10 Motor Construction = [1] PM, non-salient
SPM.
Set parameter 1-64 Resonance Damping and parameter 1-65 Resonance Damping Time Constant to help eliminate high-frequency res-
onance problems. Enter the time constant that provides the best dampening.
Parameter 1-66 Min. Current at Low Speed
Table 118: Parameter 1-66 Min. Current at Low Speed
1-66 Min. Current at Low Speed
Default value: Size related
Conversion index: 0
Danfoss A/S © 2021.08
Parameter type: Range, 0.05 - 5 s
Data type: Uint16
N O T I C E
Parameter type: Range, 0 - 1000%
Data type: Uint16
N O T I C E
Parameter type: Range, 1 - 50 ms
Data type: Uint8
N O T I C E
Parameter type: Range, 1 - 200%
Data type: Uint32
Parameter Descriptions
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
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