I/O Data Exchange Program Examples - Mitsubishi Electric Melsec Q Series User Manual

7
PROGRAMMING

7.9.1 I/O Data Exchange Program Examples

I/O data exchange can be continued after system switching.
This section explains program examples for continuing I/O data exchange in the case of
system switching.
The following system configuration is used as an example for explanations in Sections
7.9.1 to 7.9.7.
(1) System configuration example
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- 71 7.9 Program Examples for Use in the Redundant System
7.9.1 I/O Data Exchange Program Examples
Bus terminator
Figure 7.31 System Configuration Example for I/O Data Exchange (When Mounted on a Redundant
* 1 Modules are installed in order from slot 1 as shown in the figure, and the following start I/O Nos.
are to be set.
Figure 7.32 I/O Assignment in Program Example
Table7.64 Assignment of Input and Output Signals
Module
QJ71PB92V
QX41
Q25PRHCPU
QJ71PB92V
QX41
Tracking cable
DP-Slave DP-Slave
System)
Input signal
X00 to X1F
X20 to X3F
*1
Bus terminator
Output signal
Y00 to Y1F