21. TWO–PATH CONTROL
1 An M code for waiting must always be specified in a single
2 If one tool post is waiting because of an M code for waiting
specified, and a different M code for waiting is specified with
the other tool post, an P/S alarm (No. 160) is raised, In this
case, both tool posts stop operation.
3 PMC–CNC interface
Unlike other M codes, the M code for waiting is not output
to the PMC.
4 Operation of a single tool post
If the operation of a single tool post is required, the M code
for waiting need not be deleted. By using the NOWT signal
to specify that waiting be ignored (G0063, #1), the M code
for waiting in a machining program can be ignored. For
details, refer to the manual supplied by the machine tool