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What is "Speed Around Reference" and how can it be used on the ATV61 or ATV71 drive?

Issue:
Speed Around Reference

Product Line:
ATV61, ATV71

Environment:
All models and serial numbers
 
Cause:
None
 
Resolution:
Speed Around Reference is a way the drive can adjust the motor speed above or below a given speed reference.  Speed Around Reference allows the drive to vary the motor speed above or below the reference.   One application for Speed Around Reference is to run a secondary conveyor belt above or below the speed  of a primary conveyor belt with a single speed reference going to both drives.  It may be a case where two conveyor belts are feeding a single conveyor.  The single conveyor may need to run at a slightly higher speed to keep product moving.  See the ATV61 or ATV71 programming manual for details.
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