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IndustryArena Forum > CNC Electronics > Spindles / VFD > Unattended Start Protection in Hitachi WJ200 series VFD
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  1. #1
    Join Date
    Jan 2009
    Posts
    77

    Unattended Start Protection in Hitachi WJ200 series VFD

    Powered up my spindle with the VFD this AM for the first time and also wired in a remote run fwd / stop / run reverse switch.

    I read in the literature about the USP option, but have not been able to make it work yet. Anyone have experience with this?


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  2. #2
    Join Date
    Jan 2009
    Posts
    77

    Re: Unattended Start Protection in Hitachi WJ200 series VFD

    Got it squared away; parameter C017 had to change from 00 to 01; works good. With either run fwd or run rev activated (switch in either run position when Machine is energized), VFD shows error code and spindle does not start. Changing selector switch to off clears the error and subsequent activation of the switch turns spindle on.

    Two thumbs up to the guys at DrivesWarehouse (eBay seller) for helping me through this one.


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