Serial Communications Instructions - Omron CX-PROGRAMMER 5.0-FUNCTION BLOCK OPERATION Operation Manual

Instruction Support and Operand Restrictions
Instruction Mnemonic
INTELLIGENT I/O IORD
READ
@IORD
INTELLIGENT I/O IOWR
WRITE
@IOWR
CPU BUS UNIT I/O DLNK
REFRESH
@DLNK

2-6-22 Serial Communications Instructions

Instruction Mnemonic
PROTOCOL MACRO PMCR
@PMCR
Function Symbol
code
222
223
226
DLNK
N
Function Symbol
code
260
PMCR
C1
C2
S
R
Operands
C: Control data
IORD
S: Transfer source
C
and number of
words
S
D
D: Transfer destina-
tion and number of
words
C: Control data
IOWR
S: Transfer source
C
and number of
words
S
D: Transfer destina-
D
tion and number of
words
N: Unit number
Operands
C1:Control word 1
C2: Control word 2
S: 1st send word
R: 1st receive word UINT
Section 2-6
Supported AT
variable setting or
data types array
variable
required
(Required
word data
size
shown in
parenthe-
ses.)
UINT ---
UDINT Yes (2)
UINT must
be used
when
array vari-
ables are
required.
UINT Yes (not
fixed)
UINT ---
WORD Yes (not
fixed)
UINT Yes (2)
UINT must
be used
when
array vari-
ables are
required.
UINT ---
Supported AT
variable setting or
data types array
variable
required
(Required
word data
size
shown in
parenthe-
ses.)
UINT ---
UINT ---
UINT Yes (not
fixed)
Yes (not
fixed)
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