Mitsubishi MELSEC-Q Series User Manual page 512

13
MULTIPLE CPU SYSTEM CONCEPT
13
- 21 13.4 Access Ranges between CPU Modules and Other Modules
13.4.2 Access to non-controlled modules
(b) Write to buffer memory
Data cannot be written to the buffer memory of the intelligent function module
controlled by another CPU.
If this happens, a non-controlled module write error (return value: -28654) occurs.
CPU
1
0 1 2 3 4
2 1 1 1 1
Write by bus interface function
is impossible.
Write by bus interface function is impossible.
Figure 13.23 Write to intelligent function module
Intelligent function modules
Slot number
5 6 7
2 2 2 Control CPU setting