Question about Delta Vfd220b43a Ac Drive Vfd B Inverter 30hp 460v
Posted by Anonymous on
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Posted on Jan 02, 2017
You better buy a multi turn potentiometer about 4,7 - 5,1 kOhm.
Connect its ends to "+10 V" and "ACM". The Slider connect to "AVI".
The multi turn pot can make small steps of adjustment.
Hope that it will help.
Posted on Jul 12, 2010
First thee attempts will "lock" you out. you must restart drive to allow 3 more tries. If you can't get to programming funcitons to change password you should be able to connect via serial connection and reset the password funcitons to 0. See attached pdf file for directions to connect pc to drive: http://www.delta.com.tw/product/em/control/cm/download/manual/IFD9507_application_en.pdf
If you don't have your manual to expalin password functions you can also find it at:http://www.delta.com.tw/product/em/download/download_main.asp?act=2&pid=1&cid=1
Posted on Jul 20, 2010
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