Again thanks to everyone for you comments. Just to let you know I am going to "trial" a Beckhoff soft PLC solution, they claim step times of nano seconds (or at least micro seconds)also they seem to bypass windows to remove some of the stability issues and claim the soft plc will...
Thanks for your comments, it appears we have been correct in holding off, it was our belief that using a PLC for machine control is the better option over using a soft PLC, although the soft PLC can be often a more "cost effective" solution looking purely at the numbers :S. However...
The company I am employed by have been creating machines for web handling processes for many years, we have moved from "Relay" and "in house" control logic on to PLC's and intelegent drive solutions over the years. Our suppliers are now taking more and more about soft PLC's...
