Intelligent I/O Write: Iowr(223) - Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 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
968
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