Mitsubishi Electric Q Series Programming Manual page 74

2 MULTIPLE CPU SYSTEM
Table 2.8 Parameter setting items of automatic refresh setting
Item Setting description
CPU Select the CPU module for editing of the
selection CPU specific send range setting.
The setting No. for transmission of each
CPU module is displayed. Automatic refresh
Setting No. is executed between devices set to the
same setting No. for all CPUs that constitute
the Multiple CPU system.
Set the number of points for data
Points
communication.
Specifies the device which performs the
data communication (automatic refresh).
Specifies the device sent by the self CPU
when the "Send source CPU selection" is
Start
the self CPU, and specifies the device
received by the self CPU when the CPU
specific send range setting is the other
CPU.
(b) Automatic refresh setting
Setting for use of the automatic refresh function in the Multiple CPU high
speed transmission area.
Up to 32 setting ranges can be set for each CPU module.
Automatic refresh setting screen and setting range are shown below.
CPU No.1 to No.4
1 to 32
Range: 2 to 14336 [points]
Unit: 2 [points]
Usable device ( X, Y, M, B,
D, W, #, SM, SD)
Note) Set "blank" when
Setting range
• CPU No. which exceeds the
number of CPU modules cannot
be selected.
• Setting which exceeds the
number of points of the self CPU
send area allocated to each CPU
module (CPU specific send
range) cannot be set.
• Bit device can be specified in
units of 32 points (2 words) only.
• Bit device can be specified in
units of 16 points (1 word) only.
• Device number cannot be
automatic refresh is
duplicated.
not executed.
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Data size
consistency
Restriction
check
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Provided
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None