Omron CS1G/H-CPUxxH Instructions Manual page 855

Basic I/O Unit Instructions
Example
CPU Unit
3-23-4 INTELLIGENT I/O WRITE: IOWR(223)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
834
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
The control code (C) varies depending on the Special I/O Unit.
Special I/O Unit (Unit #3)
Outputs the contents of the CPU Unit's I/O memory area to the Special I/O
Unit.
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 OK
C: Varies depending on Special I/O Unit.
D: Unit number 0000 to 005F (0 to 95)
D+1: Number of words to transfer
(0000 to 0080 Hex, depends on the Special I/O Unit)
D+1
S+1 S
Number of words
to transfer: 10
10 words
C: Control data
S: Transfer source and number of words
D: Transfer destination and number of words
Step program areas Subroutines
OK
D
D+1 : Leftmost 4 digits
D: Rightmost 4 digits
Section 3-23
Unit number: 3
IOWR(223)
@IOWR(223)
Not supported.
Interrupt tasks
OK