> From: Stephen D. Barnes
>
> Just an off the wall idea I had!
> Does anyone know if Wonderware's InTouch can be used to interface with a
> PIC?

Hi Stephen,

Not off-the-wall at all! You can almost assuredly interface Wonderware
InTouch to a PIC!

One way is to make your PIC appear as a ModBus slave device on a serial
port. I'm pretty sure InTouch supports ModBus protocol (as do most if not
all other SCADA packages). I'd be surprised if you could find a SCADA
package that doesn't support ModBus.

I have interfaced PICs to GE Cimplicity as well as other SCADAs - no reason
it shouldn't work with InTouch. Once you have the PIC behaving as a ModBus
slave it is quite easy to interface to *ANY* SCADA that supports ModBus.

The ModBus protocol spec is freely available on the web.
http://www.modbus.org/specs.php

Good luck.

-- Mark



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