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Description:
The velocity loop monitor will appear when the following conditions occur
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simultaneously:ͬʱ£º
• 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
•µçÁ÷Ö¸ÁîÖµ´¦ÓÚ·åÖµµçÁ÷¼«ÏÞ
•Êµ¼ÊËÙ¶ÈÓëÖ¸ÁîËÙ¶ÈÖ®¼äµÄ²îÒì´óÓÚ×î´óµç»úËٶȵÄ10%¡£
•Êµ¼ÊËÙ¶È>×î´óËٶȵÄ1.25%
•Ö¸ÁîºÍʵ¼Ê¼ÓËٶȾßÓв»Í¬µÄºÏ¸ñ±êÖ¾
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.µç»úµçÀÂÁ¬½Ó´íÎó¡£
2.Çý¶¯Æ÷µÄ¿ØÖÆÆ÷²¿·ÖÓÐȱÏÝ¡£
3.·´À¡ÓÐȱÏÝ¡£
4.ËٶȻØ·²ÎÊý»¯´íÎó¡£
5.»»ÏòÆ«ÒƲ»ÕýÈ·
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.
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