Re: PLC's and industrial automation

I have a bit of experience with PLCs (Allen-Bradley) and ladder
logic. It's very simple stuff.

Hewe's a link to an AB PLC instruction manual:
http://www.ab.com/manuals/cp/1785-6_1.pdf

You can find quite a bit of info if you search for ladder logic, or
something like that on a search engine.

Say, does anyone know of an inexpensive PLC for cheap bums like me?
I'd like something like 8-16 inputs and 8-16 outputs... Any thoughts?
It should have cheap software also, and run on a Winblows box
(although I will probably be using a Linux system soon when I get my
paws on the BDI EMC). Used/surplus is fine, but it's nice to have a
supplier of inexpensive controllers on hand :)

Regards,

Robin

--- In CAD_CAM_EDM_DRO@y..., Doug Fortune <pentam@h...> wrote:
> Doug Harrison wrote:
>
> The wrinkle is that the size of each of the custom pieces was known
> only shortly before, by a process futher down the line. Therefore,
the
> requirements were to be (dynamically) sent via ethernet to the pc
> doing the cutting. I presume an advanced PLC could do this (read
> from an ethernet, and change its behaviour appropriately), but I
> don't have any experience with PLC's.
>
> OK - lets hear from the PLC experts (maybe a short tutorial).
> What is all this 'ladder logic' stuff? Is it programmed serially
> into a static memory? ... or ?
>
> Doug Fortune
> http://www.cncKITS.com