Mitsubishi Electric MELSEC Q Series User Manual page 158

3) The number of send points is as follows:
• For Basic model QCPU
The numbers of send points are 320 words for the Basic model QCPU and 2048 words for the Motion
CPU/PC CPU module, making a total of 4416 points (4416 words) for all CPU modules.
Basic model QCPU 320 points
Motion CPU 2048 points
PC CPU module 2048 points
4416 points for all CPU modules
(4416 words)
Setting units of 2 points (2 words)
• For High Performance model QCPU or Process CPU, or Universal model QCPU
The number of send points is a maximum of 2 k points (2 k words) for a total of four ranges for each CPU
module, making a total of 8 k points (8 k words) for all CPUs.
2k points (2k words) per
module
8k points (8k words) for
all CPUs
Setting units of 2 points
(2 words)
Figure 4.9 Outline of auto refresh processing (between CPU No. 1 and No. 2)
Since CPU No. 3 has 0 point, it is not refreshed.
Figure 4.7 Setting of send points
Since CPU No. 3 and 4 have 0 point, it is not refreshed.
Figure 4.8 Setting of send points
[Processing of auto refresh]
CPU No. 1
Device
B0
to
B1F
B20
to
B3F
CHAPTER4 COMMUNICATIONS BETWEEN CPU MODULES
When the CPU shared
memory is set at 2 points
and the bit device is
specified on the CPU
device, the number of the
bit device points is 32
points.
CPU No. 2
Device
B0
to
B1F
B20
to
B3F
When the CPU shared
memory is set to 2
points and the bit
device is specified on
the CPU device, the
number of the bit device
points is 32.
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