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With the ATV58, ATV61, or ATV71 analog output set for output frequency, why does it only provide 17ma when the drive output frequency is 60hz?

Published date: 13 August 2019

Issue:   
The ATV58, ATV61, or ATV71 ATV312 ATV630 ATV930 analog output set for output frequency, it only provides 17ma when the drive output frequency is 60hz..
 
Product Line:   
ATV58 ATV61 ATV71 ATV312 ATV630 ATV930
 
Environment:  
All
 
Cause:  
Ouput frequency not ascaled correctly
 
Resolution:   
The analog output provides a signal proportional to the motor frequency estimated by the drive controller.
The minimum configured value corresponds to zero.
The maximum configured value of the analog output corresponds to the maximum frequency setting (tFr), not the high speed setting (HSP).
The default tFr setting is 20% higher than the HSP. (72 hz for 60 hz applications, 60 hz for 50 hz applications)
Need to set the tFr parameter to 60 hz to match the HSP setting of 60 Hz.
Lowering the maximum frequency setting may result in nuisance Overspeed faults.



 

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