Dave wrote: > Yann, > > So you are saying that the sequential editor in Classic Ladder Grafcet > freezes up? > > yeah it does strange things, crash when printing, freezes up sometimes, or don't save anything...
> I use the Classic Ladder - Ladder editor quite a bit and I don't have > any freezing problems with that. > > The only recent Classic Ladder changes that I am aware of are Modbus > related, not logical editor related. > > What you need to do is to establish a "state" engine in Ladder. That > gets around racing issues for the most part. > Yeah, this is exactly why I wanted to use grafcet : it is dedicated to implement state machines. > There are some other techniques to avoid race issues but I will skip > those now for clarity.. > > A program that you need might look like the following: (Look at this in > fixed width type) > (snip) wow ! thanks for that detailled answer ! I will try tomorow to figure out how what you suggest work. ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
