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  1. 23-03-2022 #1
    Smiffy's Avatar
    Lives in Lowestoft, United Kingdom.
    Smiffy
    Last Activity: 01-04-2022 Has been a member for 2-3 years. Has a total post count of 17. Received thanks 1 times, giving thanks to others 1 times.
    just had to replace my VFD as the old one went bang.

    new VFD will only display frequency, not RPM.

    Is there a simple Hz to RPM calculation?

    Spindle is 2.2Kw water cooled chinese.

    This is the chinese A2 VFD as pictured below

    Click image for larger version.  Name: us_2.2KW220VBPQ00001V0_goods_img-v5_variable-frequency-drive-m100-1.2.jpg  Views: 90  Size: 27.3 KB  ID: 30974
    Last edited by Smiffy; 01-04-2022 at 12:26 PM. Reason: added VFD image and name
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