Mitsubishi MELSEC-Q Series Programming Manual page 479

Operation Error
In the following case, an operation error occurs and the error flag is turned ON.
• The PRC instruction is executed while comments are written during online change.
Program Example
In the following program, the comment data in Y60 are output to Y30 to Y39 when X0 turns ON.
[Structured ladder]
[ST]
PRC(X0 AND NOT(Y39),Y60,Y30);
(Error code: 4100)
7.9 Display Instructions
7.9.2 Printing comments
PRC
7
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