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

4.1.4 Communication using CPU shared memory by program

This section explains communications with programs using CPU shared memory in a multiple CPU system.
Use the following areas in a CPU shared memory for the communications with programs using CPU shared memory.
• User setting area
• User setting area in multiple CPU high speed transmission area
The user setting area of the multiple CPU high speed transmission area is available for the following CPU modules only.
• Universal model QCPU (except Q00UCPU, Q01UCPU, Q02UCPU )
• Motion CPU (Q172DCPU, Q173DCPU )
Host CPU operation
information area
Restricted system area
Auto refresh area
User setting area
Use-prohibited area
Multiple CPU high speed
tranmission
Available for the Universal model QCPU only
User setting area
Auto refresh area
Figure 4.39 Interlock program example
CHAPTER4 COMMUNICATIONS BETWEEN CPU MODULES
Available for the QCPU
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