Mitsubishi MELSEC-Q Series User Manual page 526

14
COMMUNICATIONS BETWEEN CPU MODULES
POINT
Access can be made to the CPU shared memory only when the No. of CPU is set
to 2 or more on the <<Multiple CPU setting>> tab of the C Controller setting utility.
A CPU number specification indication error (return value: -28662) will occur if
access is made to the CPU shared memory without the No. of CPU being set to 2
or more.
Remark
Refer to Chapter 10 for details of the bus interface functions.
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- 9 14.3 Data Communications Using CPU Shared Memory