Mitsubishi Electric MELSEC Q Series User Manual page 165

(Example 2) When setting not to perform unnecessary refresh
Setting of CPU No.1
Setting of CPU No.3
CPU No.1
Device
D0
to
D9
D10
to
D19
D20
to
D29
D100
to
D109
4 - 19
The following shows the example performing auto refresh between each CPU from No.2 to No.4 and CPU
No.1 only.
By leaving the device column of other CPUs of which auto refresh is not required in blank, it is possible to set
not to perform unnecessary refresh.
The device column of the host CPU cannot be left in blank.
Figure 4.19 Setting of CPU device
CPU No.2
Device
D0
to
D9
D100
to
D109
Figure 4.20 Outline of auto refresh operation
Setting of CPU No.2
Setting of CPU No.4
CPU No.3
Device
D0
to
D9
D100
to
D109
CPU No.4
Device
D0
to
D9
D100
to
D109