On Tue, Dec 9, 2014 at 4:02 PM, David Roberson <[email protected]> wrote:

> Axil,
>
> I suspect that you are misreading what Rossi stated.  Why would you not
> think that each small ECAT unit has its own microcontroller?


This is what a PLC is. It is a few analog to digital converters, a
microprocessor, a PROM, a bus comm controller, and a power supply. It cost
about $800.


> There are approximately 100 individual ECATs and he has chosen to control
> each one independently while a main control system coordinates them.
>
> This is what a SCADA system is.

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