No Operation: Nop(000) - Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual

Sequence Control Instructions
Description
Precautions
3-5-2

NO OPERATION: NOP(000)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Description
Flags
END(001) completes the execution of a program for that cycle. No instructions
written after END(001) will be executed.
Execution proceeds to the program with the next task number. When the pro-
gram being executed has the highest task number in the program, END(001)
marks the end of the overall main program.
Program A
Task 1
Task 2
Program B
Task n
Program Z
I/O refreshing
Always place END(001) at the end of each program. A programming error will
occur if there is not an END(001) instruction in the program.
This instruction has no function. (No processing is performed for NOP(000).)
There is no ladder symbol associated with NOP(000).
Variations Executed Each Cycle for ON Condition
Immediate Refreshing Specification
Block program areas
OK OK
No processing is performed for NOP(000), but this instruction can be used to
set aside lines in the program where instructions will be inserted later. When
the instructions are inserted later, there will be no change in program
addresses.
No flags are affected by NOP(000).
To the next task number
To the next task number
End of the main program
Step program areas Subroutines
OK
Section 3-5
NOP(000)
Not supported
Interrupt tasks
OK
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