Mitsubishi MELSEC-Q Series User Manual page 181

4
COMMUNICATIONS BETWEEN CPU MODULES
(3) Auto refresh setting and data flow
The following explains the data flow among CPU modules when a multiple CPU
system is configured among three CPU modules and auto refresh is set for two
ranges.
(a) Setting examples of auto refresh to each CPU module
(a) Send setting of CPU No.1
(d) Receive setting from CPU No.2
(g) Receive setting from CPU No.3
(1) Auto refresh setting of CPU No.1
4.1.3 Communication by auto refresh using multiple CPU high speed transmission area
Diagram 4.29 shows the setting examples of auto refresh to explain the data flow
by auto refresh.
(b) Receive setting from CPU No.1
(e) Send setting of CPU No.2
(h) Receive setting from CPU No.3
(2) Auto refresh setting of CPU No.2
Diagram 4.29 Setting examples of auto refresh
4.1 Communications between CPU modules using CPU shared memory
(b) Receive setting from CPU No.1
(f) Receive setting from CPU No.2
(i) Send setting of CPU No.3
(3) Auto refresh setting of CPU No.3
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