u prolly want the vfd to be master because it has hardware failsafes builtin, I
have the same vfd and i would not loose that front face plate. Use the modbus
under the cover, read teh manual and get back to me with ur findings please.
Kirk Wallace <[EMAIL PROTECTED]> wrote: On Mon, 2008-01-21 at 07:09 -0800, Rob
White wrote:
> Why would you want to hook it up through the rj45 connector? you would
> lose the ability to use the front panel, there are modbus terminals
> under the cover.
>
> Kirk Wallace wrote:
> I have a Hitachi SJ200 VFD which has RS-485 Modbus RTD built
> in.
... snip
The manual shows it connected that way. I'll have to check under the
cover. Although I think the front panel may use a different protocol and
would be a master. I would want EMC to be a master also, which may not
work. I'll have to do more research.
--
Kirk Wallace (California, USA
http://www.wallacecompany.com/machine_shop/
Hardinge HNC lathe,
Bridgeport mill conversion, doing XY now,
Zubal lathe conversion pending)
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