Chapter4 Communications Between Cpu Modules - Mitsubishi Electric MELSEC Q Series User Manual

CHAPTER4 COMMUNICATIONS BETWEEN CPU
In the multiple CPU system, the following methods are available to read/write data between CPU modules:
• Communications with auto refresh (
Data reading/writing between CPU modules
• Communications with programs (
Writing/reading of data among the C Controller module, PC CPU module, and QCPU in another CPU
Reading the Motion CPU shared memory from the QCPU
• Control direction with dedicated instructions (
Control direction from the QCPU to the Motion CPU
• Communication with dedicated instructions (
Writing/reading of device data from the QCPU to the QCPU and Motion CPU in another CPU
Event issue from the QCPU to the Motion CPU, C Controller module, and PC CPU module
4 - 1
MODULES
Section 4.1.2, Section 4.1.3)
Section 4.1.4)
Section 1.2)
Section 1.3)