Omron CJ - 08-2008 - Page 107

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Function Tables Section 1-8
Simplifying
the Program
Creating looped program
sections.
Use FOR(512) and NEXT(513) or
JMP(004) and JME(005).
Instructions
Reference
Manual
(W340)
Sequence
Control
Instructions
Indirectly addressing DM
words.
All words in the DM and EM Areas can
be indirectly addressed.
Programming
Manual
(W394)
6-2 Index
Registers
Simplifying the program by
switching to PLC memory
address specification.
Use Index Registers as pointers to
indirectly address data area
addresses.
The Index Registers are very useful in
combination with loops, increment
instructions, and table data process-
ing instructions. The auto-increment,
auto-decrement, and offset functions
are also supported.
Consolidating instruction
blocks with the same pat-
tern but different addresses
into a single instruction
block.
Use function blocks (FBs). CX-Programmer Operation
Manual Function Blocks
(W438)
Use MCRO(099). Instructions
Reference
Manual
(W340)
MCRO(099)
in the Sub-
routine
Instructions
Purpose Function Manual Reference