> For example, Digital minicomputers were much slower compared to PC > motherboards, yet they were able to handle industrial applications just > fine. Application ran in RT OS to handle DIO or analog signals. > > Old PDP HW is getting replaced with special PC cards that are able to > run original software while generic Windows runs on the PC. No latency > issues. Same should be possible with LinuxCNC IMO. > > > In practice few stepper systems have hardware that can follow even a > > 50uS base-thread. I spend a lot of time on the forum saying "Stop > > fiddling, it's fine as it is, get on with something productive" > > > > Agree. 3D printing world is growing precisely because of dedicated SBCs > built with low cost microcontrollers and motor drivers. They handle > everything including UI for selecting files from tiny memory cards.
If real time tasks is placed on micro controller which communicate with GUI on ordinary compute there will be: Communication, real time tasks and nothing else. It is simple and may be run with or even without operating system. PC is mainly needed to connect user interface, like a screen. > Large CNC systems require more computing power of course, but that too > should not be a problem for decent IO cards independent of motherboard > latency. Well actually I expect more computing power will be needed in small machine where fast dynamic responce is required. I also expect more computing power is needed for complex kinematics like hexapod. ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users