Modbus is not available in EMC's adaption of Classicladder. I am currently trying to adapt the newest version of Classicladder 7.123 and include modbus support.
---------------------------------------- > From: [EMAIL PROTECTED] > To: emc-users@lists.sourceforge.net > Date: Sat, 29 Dec 2007 10:04:05 -0800 > Subject: Re: [Emc-users] Additional I/O Modbus card. > > On Fri, 2007-12-28 at 18:33 -0500, Dave Keeton wrote: >> How did you get it to work with EMC2.2.2? > > I may be wrong, and you should wait for Peter to get back from > walk-about, for a reply, but I suspect he hasn't. I think that he is > offering options to people seeking Modbus hardware. Using Modbus with > EMC is another issue. > > There have been rumors that Modbus is available with EMC, but for me, > finding any information on it, is like finding hen's teeth. It appears > that EMC provides Modbus support via Classic Ladder, this means that it > is restricted to non-real-time, which shouldn't be a big deal(?). On the > Classic Ladder site: > > http://membres.lycos.fr/mavati/classicladder/ > > I found in a README file: > > http://membres.lycos.fr/mavati/classicladder/README.txt > > ... snip > HARDWARE (DISTRIBUTED INPUTS/OUTPUTS)... > ---------------------------------------- > ClassicLadder can use distributed inputs/outputs on modules using the modbus > protocol ("master": pooling slaves). > The slaves and theirs I/O can be configured in the config window. > 2 exclusive modes are available : ethernet using Modbus/TCP and serial using > Modbus/RTU. > For the serial one, the serial port and the speed must be correctly set in > the config file > (manually with a text editor), and then you must pass this file to > classicladder with -c > argument. No parity is used. > If no port name for serial is set, IP mode will be used... > The slave address is the slave address (Modbus/RTU) or the IP address. > The IP address can be followed per the port number to use (xx.xx.xx.xx:pppp) > else > the port 502 will be used per default. > The modbus address element 1 is the first one (0 in the frame). > 2 products have been used for tests: a Modbus/TCP one (Adam-6051, > http://www.advantech.com) > and a serial Modbus/RTU one (http://www.ipac.ws) > See examples: adam-6051 and modbus_rtu_serial. > Web links: http://www.modbus.org and this interesting one: > http://www.iatips.com/modbus.html > ... snip > > For getting Peter's ModIO board to talk to EMC, the above README > excerpt leads me to believe that you would first need to get Classic > Ladder to talk to EMC: > > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ClassicLadder > > Then research the Modbus/RTU mentioned in the README above to see if > the ModIO's serial port can talk to EMC/Classic Ladder serially. > > Another issue, is that it appears that the ModIO is configured with a > Windows program, although, for some of you that may not be an issue. > > -- > Kirk Wallace (California, USA > http://www.wallacecompany.com/machine_shop/ > Hardinge HNC lathe, > Bridgeport mill conversion, doing XY now, > Zubal lathe conversion pending) > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2005. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _________________________________________________________________ Discover new ways to stay in touch with Windows Live! Visit the City @ Live today! http://getyourliveid.ca/?icid=LIVEIDENCA006 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
