Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 User Manual

210
Sequence Control Instructions Section 3-5
Differences between
Interlocks and Jumps
The following table shows the differences between interlocks (created with
IL(002)/ILC(003), MILH(517)/MILC(519), or MILR(518)/MILC(519)) and jumps
created with JMP(004)/JME(005).
3-5-4 INTERLOCK and INTERLOCK CLEAR: IL(002) and ILC(003)
Purpose Interlocks all outputs between IL(002) and ILC(003) when the execution con-
dition for IL(002) is OFF. IL(002) and ILC(003) are normally used in pairs.
Ladder Symbols
Variations
Applicable Program Areas
Description When the execution condition for IL(002) is OFF, the outputs for all instruc-
tions between IL(002) and ILC(003) are interlocked. When the execution con-
dition for IL(002) is ON, the instructions between IL(002) and ILC(003) are
executed normally.
Item Treatment in IL(002)/ILC(003), MILH(517)/
MILC(519), or MILR(518)/MILC(519))
Treatment in
JMP(004)/JME(005)
Instruction execution Instructions other than OUT, OUT NOT,
OUTB(534), and timer instructions are not
executed.
No instructions are executed.
Output status in instructions Except for outputs in OUT, OUT NOT,
OUTB(534), and timer instructions, all out-
puts retain their previous status.
All outputs retain their previous status.
Bits in OUT, OUT NOT,
OUTB(534)
OFF All outputs retain their previous status.
Status of timer instructions
(except (TTIM(087),
TTIMX(555), MTIM(543), and
MTIMX(554))
Reset Operating timers (TIM, TIMX(550),
TIMH(015), TIMHX(551), TMHH(540),
TMHHX(552), TIMU(541), TIMUX(556),
TMUH(544), TMUHX(557) only) continue
timing because the PVs are updated even
when the timer instruction is not being exe-
cuted.
IL(002)
ILC(003)
Variations Interlocks when OFF/Does Not interlock when ON IL(002)
Immediate Refreshing Specification Not supported
Variations Executed Each Cycle for ON Condition ILC(003)
Immediate Refreshing Specification Not supported
Block program areas Step program areas Subroutines Interrupt tasks
Not allowed Not allowed OK OK
Execution
condition
Execution
condition ON
Execution
condition OFF
Interlocked section
of the program
Outputs
interlocked.
Normal
execution

Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Specifications

General

Brand	Omron
Model	SYSMAC CJ - REFERENCE MANUAL 08-2008
Category	Controller
Language	English