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MELSEC-Q/QnA
6 BASIC INSTRUCTIONS
[Operation Errors]
(1) In the following cases an operation is returned, the error flag (SM0) goes ON, and the error
code is stored at SD0.
• The pointer number designated does not come prior to the END instruction.
(Error code: 4210)
• A pointer number which is not in use as a label in the same program has been designated.
(Error code: 4210)
• A common pointer has been designated. (Error code: 4210)
[Program Example]
(1) The following program jumps to P3 when X9 goes ON.
[Ladder Mode] [List Mode]
Steps
Instruction
Device
(2) The following program jumps to P3 from the next scan after XC goes ON.
[Ladder Mode] [List Mode]
Steps
Instruction
Device
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