Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual page 131

Instruction Functions
Instruction Symbol/Operand
Mnemonic
Code
INTELLIGENT I/O
READ IORD(222)
IORD
@IORD
222
C: Control data
S: Transfer
source and
number of words
D: Transfer
destination and
number of words
INTELLIGENT I/O
WRITE IOWR(223)
IOWR
@IOWR
223
C: Control data
S: Transfer
source and
number of words
D: Transfer
destination and
number of words
Reads the contents of the memory area for the Special I/O Unit
or CPU Bus Unit (see note).
C
S
S+1
S
D
Note: CS/CJ-series CPU Unit Ver. 2.0 or later (including CS1-H, CJ1-H,
and CJ1M CPU Units from lot number 030418 or later) can read
from CPU Bus Units.
Outputs the contents of the CPU Unit's I/O memory area to the
Special I/O Unit or the CPU Bus Unit (see note).
C
D
S
D+1
D
Note: CS/CJ-series CPU Unit Ver. 2.0 or later (including CS1-H, CJ1-H,
and CJ1M CPU Units from lot number 030418 or later) can write
to CPU Bus Units.
Function
Unit number of Special I/O Unit
Desig-
nated
number
of words
read.
Unit number of Special I/O Unit
Desig-
nated
number of
words writ-
ten.
Section 2-2
Location Page
Execution
condition
Output 962
Required
Output 967
Required
91