I'm using a VFD from Automation Direct and it's working great with the gs2_vfd 
module.  My model # is GS2-23P0, but i expect all the GS2 models share 
interface & firmware & work equally well.

----- Reply message -----
From: "Dave" <e...@dc9.tzo.com>
Date: Sat, Sep 24, 2011 09:03
Subject: [Emc-users] OT: Cheap VFD
To: <gro...@homanndesigns.com>, "Enhanced Machine Controller (EMC)" 
<emc-users@lists.sourceforge.net>

On 9/24/2011 7:38 AM, Peter Homann wrote:
> Hi Kirk,
>
> These VFDs have a few issues. A Few people get them and they don't work at
> all. Some have had components floating around.  That said a lot, and I mean a
> lot of people buy these along with the chinese high speed spindles.
>
> Also their modbus interface is broken. They missinterpreted the spec and so it
> doesn't work. Must have been an issue with their Jinglish. :)
>
> I have one, used it once or twice then bought a Hitachi X200, which has a
> Modbus interface that works.
>
> http://www.driveswarehouse.com/Drives/AC+Drives/Variable+Torque+VFD/X200-037LFU.html
>
> Cheers,
>
> Peter.
>
>
>
> On 24/09/2011 10:45 AM, Kirk Wallace wrote:
>    
>> Has anyone used one of these?
>> http://www.ebay.com/itm/220772028703#ht_13349wt_1189
>>
>> It seems to have what I need, and is cheaper than a beat to heck used
>> VFD. Am I missing something?
>>
>>      
>    

I have not heard of any Modbus problems with the VFDs sold by Automation 
Direct either and they are pretty cheap and they work well.

Dave

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