I agree. Being able to use Profibus with LinuxCNC would be very useful. There is a lot of used Profibus slave I/O devices and VFDs on the surplus market.
Dave On 5/17/2016 4:02 PM, Nicklas Karlsson wrote: > Authur of pyprofibus used an ET200S module. > > I tried pyprofibus with RS485 and an Siemens ET 200L-SC, I get answer in > first step but in second step for request diagnostic module does not send > answer. I have several other profibus devices and they are very common but it > is not top priority to get them working right now. In the long run I expect > profibus to be a very useful part of linuxcnc since it is a very common > protocol both for motor control and IO modules. > > Observe the difference. raspi-profibus use a module with an AVR micro > controller, pyprofibus use Linux. > > Nicklas Karlsson > > > > On Tue, 17 May 2016 15:42:32 -0400 > Dave Cole <linuxcncro...@gmail.com> wrote: > >> I downloaded the Windows version of awlsim. >> >> Its very impressive. Regarding the Profibus interface; Are you >> using a RS232/ RS485 converter to connect to the Profibus I/O block? >> Is the methods of configuring a Profibus drop documented some where? >> >> I do Step7 programming but mostly in Lad/Ladder. I haven't tried it >> yet, but it appears that I could write a program in Step7, compile it >> and check it for errors and then export the source to your AWLSIM >> program and control Profibus I/O from a Raspberry PI, PC, etc ! Very >> nice! >> >> Thanks, >> >> Dave >> >> On 5/16/2016 3:43 AM, Michael Büsch wrote: >>> On Sun, 15 May 2016 19:33:03 +0200 >>> Nicklas Karlsson <nicklas.karlsso...@gmail.com> wrote: >>> >>>> Then trying to get raspi-profibus to work on an ordinary PC I discovered >>>> there is an awlsim hal module suitable for PLC programming. It would be >>>> good to know if anyone are working with awlsim? Or profibus right now? >>>> >>>> The raspi-profibus software is divided in two. The higher level is written >>>> in python and communicate with the lower levels implemented on an Atmel >>>> AVR via SPI. I have been able to replace AVR code with ordinary *nix >>>> system calls for UART communication. Data is coming out but no answer from >>>> real hardware, it is at exactly this point I got stuck last time I tried. >>> I am the author of these projects. >>> >>> I just want to note that "raspi-profibus" is end-of-life and its >>> successor "pyprofibus" is not split into Python and C anymore. It does >>> not use an AtmelAVR via SPI for data transfer anymore. >>> It's a pure Python implementation that already contains pure Python >>> code for a /dev/ttyS UART PHY. >>> So "pyprofibus" is not restricted to the Raspi and should work anywhere >>> (including an LinuxCNC/awlsim enviromment. But that was not tested, yet) >>> >>> https://bues.ch/h/profibus >>> https://bues.ch/h/awlsim >>> https://bues.ch/h/pilc >>> >>> >>> >>> ------------------------------------------------------------------------------ >>> Mobile security can be enabling, not merely restricting. Employees who >>> bring their own devices (BYOD) to work are irked by the imposition of MDM >>> restrictions. Mobile Device Manager Plus allows you to control only the >>> apps on BYO-devices by containerizing them, leaving personal data untouched! >>> https://ad.doubleclick.net/ddm/clk/304595813;131938128;j >>> >>> >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> ------------------------------------------------------------------------------ >> Mobile security can be enabling, not merely restricting. Employees who >> bring their own devices (BYOD) to work are irked by the imposition of MDM >> restrictions. Mobile Device Manager Plus allows you to control only the >> apps on BYO-devices by containerizing them, leaving personal data untouched! >> https://ad.doubleclick.net/ddm/clk/304595813;131938128;j >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Mobile security can be enabling, not merely restricting. Employees who bring their own devices (BYOD) to work are irked by the imposition of MDM restrictions. Mobile Device Manager Plus allows you to control only the apps on BYO-devices by containerizing them, leaving personal data untouched! https://ad.doubleclick.net/ddm/clk/304595813;131938128;j _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
