uh, yup! Before CL I did it with a Tcl/Tk hack to the tkio/iosh files but
right now I see a fairly clear path to success with CL. I know a few guys who
have written macro tool changers for their Fanuc or other controls because they
want some unusual behavior during tool changes. Using the standard, industry
wide command has a distinct advantage if you import CAD/CAM produced programs
and don't have access to the post processor used.
Ladder programs also have serious advantages for this kind of a task. You note
that a comp will always be in there running -- so will the logic you stick in
CL but it will behave in a predictable way because of the constraints placed on
PLC type programs. Ladder reads all the inputs, computes changes in logic
based on that read, then writes the result. It is not a line by line logical
system like a comp might be. Yes it computes the logic on a rung by rung basis
but the result of one rung's change does not change subsequent rungs until the
next loop through it.
Not only that but watching those contacts and coils as they change helps me see
unexpected results and changes take seconds to test.
Rayh
On Tue, 28 Aug 2007 00:16:58 -0700, "Enhanced Machine Controller (EMC)"
<emc-users@lists.sourceforge.net> said:
>I think I hear someone in the distance saying "That's what Classic
>Ladder is for."
>
>Kirk Wallace
>
>
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