Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual page 262

Sequence Control Instructions
Flags
Precautions
Program with IL(002)/ILC(003) Interlocks
a
b
Execution
condition
a b
OFF ON Interlocked
OFF
ON OFF Not interlocked
ON ON Not interlocked
If there are bits which you want to remain ON in a program section interlocked
by MILH(517) or MILR(518), set these bits to ON with SET just before the
MILH(517) or MILR(518) instruction.
Name Label
Error Flag ER
The cycle time is not shortened when a section of the program is interlocked
by MILH(517) or MILR(518) because the interlocked instructions are executed
internally.
IL
A1
IL
A2
ILC
This program section is not
A3
controlled by the interlock.
This ILC(003)
ILC
instruction is ignored
so ...
Program section
A1 A2
Interlocked
Interlocked
Not interlocked
Operation
OFF
Section 3-5
A3
Not interlocked
(Not controlled by
the IL(002)/
ILC(003) interlock.)
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