Mitsubishi Electric MELSEC-Q/L - Page 186

184
5 SEQUENCE INSTRUCTIONS
5.7 Other Instructions
Program example
■NOP
• Contact closed: Deletes the AND or ANI instruction.
• Contact closed: LD, LDI changed to NOP. (Note carefully that changing the LD and LDI instructions to NOP completely
changes the nature of the ladder.)
Changing to NOP
Before change
After change
Step
Instruction
Device
Step
Instruction
Device
[Ladder Mode]
[List Mode]
[Ladder Mode]
[List Mode]
Before change
After change
Changing to NOP
Step Instruction
Device
Step
Instruction
Device
Step
Instruction
Device
[Ladder Mode]
[List Mode]
Before change
After change
Changing to NOP
Changing to LD T3
Step
Instruction
Device
Step
Instruction
Device