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Calling a external C application from a CPLC
#1
Hi all,
I know I can run an external C program (of course after compiling it ;-)) from within a PLC with this command:

system " /usr/local/bin/xxx/capp1"

but what if I want to call this app from within a CPLC ? Is this possible?
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#2
There are a couple of options.

You could “force-feed” your first method through the PMAC command interpreter with the “Command()” or “GetResponse()” PMAC API function (Gp Library Functions in gplib.h).

Another method is using the standard C system() function to pass a command string back to Linux.
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