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.

