Yaskawa YASNAC PC NC Programming Manual - Manual (Page 258)

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YASNAC PCNC Programming Manual Chapter 4: Enhanced Level Commands
specified last.
Note: If microprogram call up is nested by specifying more than one G66, cancel code G67, cancels
G66 sequentially beginning with the one specified last. It is not allowed to specify G66 in the mac-
roprograms which is called up by G66.
Figure 4.4.2.1 Nesting of Macroprogram Call