Справочник Пользователя для Mitsubishi Electronics Q02UCPU
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CHAPTER 6
COMMUNICATIONS AMONG CPU
MODULES
MODULES
This chapter describes data communications among CPU modules in a multiple CPU system.
(1) Communication methods
The following table lists the communication methods available among CPU modules.
Item
Description
Reference
Communications using the CPU shared
memory
memory
Data communications is performed among CPU modules using
the internal memory of each CPU module.
the internal memory of each CPU module.
Auto refresh
(using the auto refresh area)
(using the auto refresh area)
Data communications is automatically performed among CPU
modules in accordance with the settings in the programming
tool.
modules in accordance with the settings in the programming
tool.
Auto refresh
(using the multiple CPU high-speed
transmission area)
(using the multiple CPU high-speed
transmission area)
By programs
Data communications is performed among CPU modules by
executing programs.
executing programs.
Communications by motion dedicated
instructions
instructions
Data communications is performed between a QCPU and a
Motion CPU by executing motion dedicated instructions.
Motion CPU by executing motion dedicated instructions.
Communications among CPU modules by
dedicated instructions
dedicated instructions
Data communications is performed among CPU modules by
executing dedicated instructions.
executing dedicated instructions.
–
Reading/writing device data between
QCPU and Motion CPU
QCPU and Motion CPU
Device data are read/written between a QCPU and a Motion
CPU.
CPU.
Starting an interrupt program from
QCPU to C Controller module/PC
CPU module
QCPU to C Controller module/PC
CPU module
An interrupt program is started from a QCPU to a C Controller
module/PC CPU module.
module/PC CPU module.
Reading/writing device data between
QCPUs
QCPUs
Device data are read/written between Universal model QCPUs
(except the Q00UCPU, Q01UCPU, and Q02UCPU).
(except the Q00UCPU, Q01UCPU, and Q02UCPU).