[GRLUG] Any industrial folks around?

[L. V. Lammert]

At 02:27 PM 7/5/2011, you wrote:
>I worked for Diamond Phoenix, doing warehouse automation and 
>carousels some years ago, but they were a Windows shop. I know their 
>stuff at the time ran RS232 out the serial port into a gadget that 
>converted it to RS485, which handled multiple devices on the same 
>network segment. We also did some conveyor control stuff through 
>Allen-Bradley PLC's, and I was fascinated by the ladder logic they 
>used. I'm afraid I never had a chance to learn to write it though.

RS232 -> RS485 is actually fairly simple (just google B&B RS232), .. 
experience has proven, however, that debugging is a much bigger 
problem - i.e. verifying the data is exactly what is expected.

         TFTR,

         Lee 


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