2 multiple cpu system – MITSUBISHI ELECTRIC MOTION CONTROLLERS Q172DCPU User Manual
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2 MULTIPLE CPU SYSTEM
Table 2.7 Parameter setting items of Multiple CPU high speed transmission area setting
Item
Setting description
Setting/display value
Restriction
Consistency
check
CPU
CPU No. corresponding to displayed parameters. CPU No.1 to No.4
—
—
Set the number of points of data that each CPU
module sends.
Default value assigned to each CPU is shown
below.
Default value of CPU specific
send range [points]
Number of
CPUs
CPU
No.1
CPU
No.2
CPU
No.3
CPU
No.4
2
7k 7k — —
3 7k
3k
3k
—
4
3k 3k 3k 3k
CPU specific
send range
Range: 0 to 14k [points]
Unit: 1k [point]
(Points: Word in units)
• Set the total of all CPUs to be
the following points or lower.
When constituted with two
CPUs: 14k [points]
When constituted with three
CPUs: 13k [points]
When constituted with four
CPUs: 12k [points]
Provided
Automatic
refresh
Number of points used in the automatic refresh
function is displayed.
Number of points that is set by the "automatic
refresh setting" is displayed.
Range: 0 to 14336 [points]
Unit: 2 [points]
Do not exceed the CPU
specific send range [points].
—
User setting
area
Area size specified directly by program is
displayed.
The value where the "number of points set in the
automatic refresh" is subtracted from the "CPU
specific send range setting" is displayed.
Range: 0 to 14336 [points]
Unit: 2 [points]
— —