Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

224
Sequence Control Instructions Section 3-5
When nesting interlocks, assign interlock numbers so that the nested program
section does not exceed the outer program section.
Execution
condition
Program section
a b A1 A2 A3
OFF ON Interlocked Interlocked Not interlocked
OFF
ON OFF Not interlocked Interlocked Interlocked
ON Not interlocked Not interlocked Not interlocked
a
b
MILH
0
MILC
0
MILC
1
A1
MILH
1
A2
A3
The nested program section
must not go beyond the outer
program section.