Sequence Control Instructions - Omron CJ - REFERENCE MANUAL 02-2010 Reference Manual

2. Summary of Instructions
2-2-3

Sequence Control Instructions

Instruction Symbol/Operand
Mnemonic
Code
END
END(001)
END
001
NO OPERATION
NOP
000
INTERLOCK
IL(002)
IL
002
INTERLOCK
ILC(003)
CLEAR
ILC
003
36
Function
Indicates the end of a program.
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
program 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
This instruction has no function. (No processing is performed for
NOP(000).)
Interlocks all outputs between IL(002) and ILC(003) when the
execution condition for IL(002) is OFF. IL(002) and ILC(003) are
normally used in pairs.
Execution
Execution
condition ON
condition
Interlocked section
of the program
All outputs between IL(002) and ILC(003) are interlocked when the
execution condition for IL(002) is OFF. IL(002) and ILC(003) are nor-
mally used in pairs.
To the next task number
To the next task number
End of the main program
Execution
condition OFF
Normal
Outputs
execution
interlocked.
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Location Page
Execution
condition
Output 179
Not required
Output 180
Not required
Output 181
Required
Output 181
Not required