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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
Summary of Contents for SYSMAC CS Series
Page 2: ......
Page 4: ...iv ...
Page 30: ...xxx ...
Page 186: ...146 List of Instructions by Function Code Section 2 4 ...
Page 1320: ...1280 Model Conversion Instructions Unit Ver 3 0 or Later Section 3 35 ...
Page 1390: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...
Page 1391: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits ...
Page 1392: ...1352 ASCII Code Table Appendix A ...
Page 1404: ...1364 Revision History ...