Iord Instruction To Transfer Data; Overview; Iord: Intelligent I/O Read - Omron CS1W-MCH71 MOTION CONTROL UNIT - 09-2004 Manual

IORD Instruction to Transfer Data

5-3 IORD Instruction to Transfer Data
5-3-1

Overview

CPU Unit
[Ladder program]
IORD
C: Control code
S: Transfer source unit No.
and No. of read words
D: Transfer destination
first word No.
Data
Procedure for Reading Data
5-3-2

IORD: Intelligent I/O Read

210
Position data, system variables, system parameters, and servo parameters
can be read by executing the CPU Unit's IORD instruction.
1) IORD Instruction Setting
C: Indicates the first address of MC Unit memory area
S: Specifies total No. of data words and MC Unit unit No. to read
D: First word No. of the CPU Unit memory area for storing the read data
2) Data Reading
Execute the IORD instruction
IORD
C
W
S
MC Unit
Address Internal Memory Area
0000 Hex
Position data
27FF Hex
3000 Hex
System variable
33FF Hex
5000 Hex
System parameters
5FFF Hex
7000 Hex
Servo parameters
78FF Hex
Note: To read servo parameters, it is necessary to
specify the servo parameter axis in advance.
@IORD
C
W
S
Section 5-3