Mitsubishi MELSEC-Q Series User Manual page 157

Programmable controller multiple cpu system
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4
COMMUNICATIONS BETWEEN CPU MODULES
(2) Restricted system area
(3) Auto refresh area
(4) User setting area
(5) QCPU standard area
(6) Multiple CPU high speed transmission area
Universal
UD
Note4.1
Note1
Universal
The Q02UCPU cannot perform the communication by the auto refresh using the multiple CPU
UD
high speed transmission area.
Note4.1
The area used by the system of the CPU module (OS.)
The area used when the multiple CPU system is automatically refreshed.
(
Section 4.1.2)
The points from the address next to the last address in the restricted system area are
used for auto refresh.
The area for performing communication between CPU modules.
The points after the ones used for the auto refresh area are used.
(An area including the auto refresh area can be used as the user setting area when
auto refresh is not performed.)
The area provided for the Universal model QCPU to communicate with other CPUs
(High Performance QCPU or Process CPU) in a multiple CPU system.
This area includes "Host CPU operation information area", "Restricted system area",
"Auto refresh area" and "User setting area".
For each area, refer to (1) to (4).
The area to perform communication with other CPU modules in the Multiple CPU
system using the Universal model QCPU.
The Multiple CPU high speed transmission area has "auto refresh area" and "user
setting area."
(a) Auto refresh area
The area used when the Multiple CPU system is automatically refreshed.
(
Section 4.1.3)
setting
(b) User
area
The area for storing data to be sent to other CPU modules by the program.
(
Section 4.1.4)
Address for CPU shared memory is 10000 or later.
Note1
4.1 Communications between CPU modules using CPU shared memory
Note4.1
4.1.1 CPU shared memory
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3
4
5
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