10
DEVICE EXPLANATION
10.14 Convenient Usage of Devices
10.14.1 Global devices
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10.14 Convenient Usage of Devices
When executing multiple programs in the CPU module, local devices among the internal
user devices can be designated to execute each of the programs in an independent
manner.
CPU module devices are classified into "global devices" shared by all the programs being
executed and "local devices" used independently by each of the programs.
10.14.1 Global devices
Note34
Global devices can be shared by all the programs being executed in the CPU module.
Global device data are stored in the CPU module device memory, and can be used by all
programs.
Note33
Note34
Figure 10.96 Using the global device
Since the Basic model QCPU cannot execute multiple programs, it does not support the function
that makes each program independent by local device designation.
Basic
Basic
Note10.32
Basic
Note10.33
Since the Basic model QCPU cannot execute multiple programs, it is irrelevant to the difference
between local devices and common devices. When the Basic model QCPU is used, it is not
necessary to be conscious of the description in this section.
Basic
Y12
M0
Program A
Y11
M0
Program B
M0 ON/OFF data
Device memory
Internal relay
ON/OFF
M0
M0 ON/OFF data
Global devices are shared by all programs being executed.
CPU module
