Mitsubishi Electric MELSEC-Q/L Programming Manual page 460

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Operation error

• In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.

Error details

After the FOR instruction was executed, the END, FEND, or GOEND

instruction was executed prior to the NEXT instruction.

The STOP instruction is in process between the FOR and the NEXT

instructions.

The NEXT instruction was executed prior to the FOR instruction.

The 17th FOR instruction was executed when the FOR instruction has been

Program example

• The following program executes the FOR to NEXT loop when X8 is OFF, and does not execute it when X8 is ON.

[Ladder Mode]

7 APPLICATION INSTRUCTIONS

7.6 Structure Creation Instructions