Communication By Auto Refresh Using Cpu Shared Memory - Mitsubishi Electric MELSEC Q Series User Manual

4.1.2 Communication by auto refresh using CPU shared memory

The following describes communications with auto refresh using auto refresh area in CPU shared memory.
For the communication by the auto refresh using the multiple CPU high speed transmission area in the Universal
model QCPU
Note4.3
In the following case, uncheck Use multiple CPU high speed transmission function of Multiple CPU high speed
transmission area setting in the Universal model QCPU.
• The High Performance model QCPU or Process CPU is used as the CPU No.1
• Use multiple CPU high speed transmission function of Multiple CPU high speed transmission area setting in the
Universal model QCPU No.1 is unchecked
• The main base unit, slim type main base unit, or redundant power supply base unit is used
íç1
Note4.2
Universal
For the Universal model QCPU, "auto refresh area of the CPU shared memory" means "auto refresh area of the
standard area".
When the Universal model QCPU is used, read this section regarding "CPU shared memory" as "QCPU standard
area".
Note4.3
Universal
The Q00UCPU, Q01UCPU, Q02UCPU cannot perform the communication by the auto refresh using the multiple CPU
high speed transmission area.
, refer to Section 4.1.3.íç1
Figure 4.4 Setting when not using the multiple CPU high speed communication
CHAPTER4 COMMUNICATIONS BETWEEN CPU MODULES
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