Mitsubishi Electric Melsec Q Series Programming Manual page 206

4 MOTION SFC PROGRAMS
[Instructions]
(1) There are no restrictions on the depth of subroutine call/start nesting.
(2) For a subroutine start, the start source Motion SFC program continues processing
if the start destination Motion SFC program stops due to an error.
(3) For a subroutine call, the call source Motion SFC program stops running as soon
as the call destination Motion SFC program stops due to an error.
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