Classic Ladder (also in LinuxCNC) also supports Modbus RTU and TCP and it works really well. But some people run when Ladder is mentioned so it is often overlooked.
How long will it take to learn it?? Since we have no idea what your background it that is very difficult to guess.. Dave On 10/11/2013 10:38 AM, Sebastian Kuzminsky wrote: > On 10/11/13 06:16 , Walter Cigana wrote: >> We have a project going on where we want to control a machine remotely. >> Computer A has the UI (already developed separately) and it talks to >> computer B (possibly using modBus TCP over Ethernet) which would control >> our machine. LinuxCNC would sit on computer B. In fact, both A and B are >> BeagleBoneBlack's. >> >> We have found that LinuxCNC would be great to use, but before I invest a >> considerable amount of time learning it I thought I would ask the gurus a >> few questions. I have only been looking at LinuxCNC for a week or so. >> >> First, is there a way to remotely control LinuxCNC and get feedback from it >> to my UI? > The only way to do that currently is with linuxcncrsh. > > >> My program would need to send commands/get feedback in a command-like >> fashion, without using LinuxCNC's UI. >> I saw there exists "linuxcncrsh", but using telnet to communicate with it >> doesn't seem like a very robust way of doing things. >> >> Second, I have seen posts mentioning modBus is available with LinuxCNC and >> others saying it isn't. Which one is it? > LinuxCNC uses libmodbus for all modbus communications. > > We have several drivers that talk modbus to slave devices like VFDs. > This works very well. > > I think libmodbus can act as a modbus slave, but we don't have any > drivers that use it in this way. > > >> I also have to figure out how long it would take me to learn the basics of >> LinuxCNC, or at least know enough to make this work. >> Guesstimates anyone? > Depends what you want to do, and what you experience level is. It > sounds like you're going to have to do at least some programming to make > this work, possibly lots of programming. > > ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
