Omron CJ - REFERENCE MANUAL 02-2010 Reference Manual page 816

3. Instructions
Example Programming
When CIO 0.00 is ON, FIORF(225) immediately refreshes the CIO Area and DM Area words allocated
to the Special I/O Unit set as unit number 0.
0.00
FIORF
N
780
&0
CPU Unit
Words allocated to Special I/O Unit
with unit number 0
Allocated CIO Area words
Allocated DM Area words
Special I/O Unit
with unit number 0
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CS/CJ/NSJ Series Instructions Reference Manual (W474)