ʿϾSr܇gO䶼Ǻú\еͻȻgF}ʿŷfżȻgF878 Velocity Loop Error߀AsһЩӢZٶȻ·e`
_ʼIOMκιų֮ǰSoˆTؓ؟ų;SˆTȡбҪEԴ_ȫԼCеIˆTİȫ
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Description:
The velocity loop monitor will appear when the following conditions occur
FrrٶȻ·OҕF
simultaneously:ͬr
• The current command value is at the peak current limit
• The difference between the actual velocity and the command velocity
is larger than 10% of the maximum motor velocity.
• actual speed > 1.25% of maximum speed
• command and actual acceleration have different qualifying signs
•ֵָ̎ڷֵO
•Hٶcָٶ֮gIJ늙Cٶȵ10%
•Hٶ>ٶȵ1.25%
•ָ͌HٶȾвͬĺϸ־
Cause:
1. Motor cable is connected incorrectly.
2. Defective controller section of the drive.
3. Defective feedback.
4. Velocity loop paramaterized incorrectly.
5. Incorrect commutation offset
1.늙C|Be`
2.Ŀȱ
3.ȱ
4.ٶȻ·e`
5.QƫƲ_
Remedy:
For 1. Check motor cable connection.
For 2. Exchange drive controller.
For 3. Exchange motor.
For 4. Check velocity controller to see if it is within operational
parameters.
For 5. Exchange motor.
1z늙C|B
2Q
3Q늙C
4zٶȿǷ\зȅ
5Q늙C
DdՈע̎ϺӿƼIŷS,ŷ늙CS
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