FAQ: Can the PID in the V7 Drive be used for positioning?
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No. The output of the PID regulator in the V7 Drive is a unidirectional frequency (speed) command. Bidirectional speed control is necessary to do positioning. The drive must be able to approach the target by using bi-directional speed control. A separate position loop controller may be used to provide the V7 with a bi-polar speed reference/error signal that can allow the V7 to zero in on position. Basically an outer-position loop is needed to control the speed of the V7 for position loop control.
Note: Earlier versions of the V7 Drive were named GPD 315/V7, GPD 315 or VS Mini V7.
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Please read and understand the product instruction manual before installing, servicing or operating Yaskawa products. FAQ content and illustrations are provided as technical advice to augment the information in manual, not supersede it. It is not possible to give detailed instructions for all types of installation or support activities. The information described in the FAQs are subject to change without notice to improve the product or FAQ. Yaskawa assumes no responsibility for errors or omissions or damages resulting from the use of the information contained in any FAQ. All warnings, cautions and product instruction for product use must be followed. Installation, operation and maintenance should be carried out by qualified personnel. Failure to observe these and other precautions highlighted in the product manuals will expose the user to high voltages resulting in, serious injury or death. Qualified personnel are defined as individuals who are familiar with the installation, starting, operation and maintenance of Yaskawa products of the type described and have proper qualifications to perform the work.
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2121 Norman Drive South
Waukegan, IL 60085