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  • No : 21372
  • Release Date : 2018/08/22 16:27
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Magnetic flux and tuning

When performing auto tuning under Advanced magnetic flux vector control and specifying operation command with the online auto tuning enabled (Pr.95)

1. he online auto tuning will be performed when the operation command is turned ON. When the brake opens 0.5 to 1 second behind (lift applications) after the command is issued, I assume that tuning is performed in the locked state. (1) Is tuning actually performed in the locked state?
(2) Is there no problem with tuning in the locked state?

2. Is auto tuning performed after the command is turned ON, and actually output frequency when the tuning is completed?

3. How long does it take for the execution time (software processing time) of the auto tuning including the timing (from command ON to output) described above?
Category : 

Answer

After inputting the start signal performing the tuning, output the output frequency.  
The tuning ends in approximately 500 ms in maximum after started. During the tuning, since enough torque does not generate, a load may drop. (Described in the technical manual.)   
 
There is no problem with performing online tuning in the locked state.
Product Name
Inverter, magnet motor drive
Series
FR-A500

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