Intelligent I/O Write: Iowr(223) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Basic I/O Unit Instructions
Example
CPU Unit

3-23-11 INTELLIGENT I/O WRITE: IOWR(223)

Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
In this example, IORD(222) is used to read data.
When CIO 000000 is turned ON, 10 words are read from the Special
I/O Unit with unit number 3, and are stored in D00100 to D00109.
S
Outputs the contents of the CPU Unit's I/O memory area to a Special I/O Unit
or CPU Bus Unit (see note).
Note There are restrictions in functionality for CPU Bus Units. Refer to Restrictions
later in this section.
IOWR(223)
C
S
D
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK
C: Depends on Special I/O Unit or CPU Bus Unit.
D: Special I/O Unit: 0000 to 005F hex
CPU Bus Unit:
S+1
Number of words
to transfer: 10
The control code (C) varies depending on the Special I/O Unit.
Special I/O Unit (Unit #3)
10 words
C: Control data
S: Transfer source and number of words
D: Transfer destination and number of words
Step program areas
OK
(to specify unit numbers 0 to 95)
8000 to 800F hex
(to specify unit numbers 0 to F hex)
Section 3-23
S
Unit number: 3
IOWR(223)
@IOWR(223)
Not supported.
Subroutines Interrupt tasks
OK OK
967