Communication Program Examples Using Auto Refresh; Process Cpu - Mitsubishi Electric MELSEC Q Series User Manual

8.3 Communication program examples using auto refresh

8.3.1 Program examples for the Basic model QCPU, High Performance model
QCPU and Process CPU
This section explains program examples in the following system configuration given in Figure 8.10 and assignment of
the data communications between CPU modules.
PC (GX Developer)
(1) I/O assignment and auto refresh settings
Figure 8.11 shows a setting example of the I/O assignment of each module, and Figure 8.12 shows a setting
example of the auto refresh area.
For the I/O assignment settings, refer to Section 3.3.
For the auto refresh area settings, refer to Section 4.1.4)
8 - 28
CPU 0 1
Input
Output
Number of
16
slot points
points
1 2 1
Figure 8.10 Configuration example of multiple CPU system
Figure 8.11 I/O assignment settings of each module
2 3 4 5 6 7
A/D D/A
Input
Output
16 16 16 16 16
points points points points points
1 1 1 2 2
Slot number
Control CPU setting