Re: Visual Basic Dot Net Code to Communicate with a weight scale

From: wryoung98 (robert.young_at_irista.com)
Date: 06/25/04 

Date: 25 Jun 2004 12:15:35 -0700

"Jay B. Harlow [MVP - Outlook]" <Jay_Harlow_MVP@msn.com> wrote in message news:<u#SsSPWVEHA.4048@TK2MSFTNGP12.phx.gbl>...
> Jay,
> When the device connects to the PC via the USB, is it emulating a serial
> port or is its own device?
>
> If its emulating a serial port, you can simply continue using the COMM port
> as is.
>
> If it is its own device, then you will need to communicate with that device.
> Remember that USB is not the device, USB is just the Bus that gets you to
> the device.
>
> Note: I have a USB to Serial cable that my .NET program simply sees as a
> normal COMM port. There is a special device driver that virtualizes the USB
> to Serial cable to make this work.
>
> Hope this helps
> Jay
>
> "Jay Patel" <patel@cs.utk.edu> wrote in message
> news:5d03e26c.0406180925.3e69470a@posting.google.com...
> > Hello,
> > I need to write visual basic.net code to interface with a Mettler
> > Toledo Shipping Scale that interfaces with a PC via USB or a serial
> > port. I have seen example code on how to communicate via a serial
> > connection (RS-232), but am not sure as the process if it is connected
> > via USB. Is the USB port seen then as a COMM port, or is there a
> > different type of connection a USB port creates that I would have to
> > open? The scale will take as an input one character, and then send
> > back a response. If anyone out there can help, I would greatly
> > appreciate it.
> >
> > -Jay
> > (patel@cs.utk.edu)
I will be writing some code to communicate with a Mettler Toledo PS 60
scale next week I have asked the tech department to send me
communication specifications. All I want to do is capture weight.

Let me know if you still need help. Or if you can assist me.

P.S. I will be coding in Delphi. :)

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