Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 81)

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YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
(d) Example
(3) END (Master Control End) RR after operation: RR-
(a) Function
The instruction indicates the end of the MCR instruction.
(b) Format
END
(4) RET (Return) RR after operation: RR-
(a) Function
The RET instruction indicates the end of a sequence program.
(b) Format
RET
(5) RTI (Return Indirect) RR after operation: RR-
(a) Function
The instruction executes the RET instruction when the ST contact is ON.
If the ST contact is OFF, the ladder of the next step is executed.
(b) Format
RTI