Mitsubishi Electric Q12DCCPU-V - When Executing Motion SFC Program of Motion CPU

13
COMMUNICATIONS BETWEEN CPU MODULES
13.3 Data Communications Using CPU Shared Memory
13.3.4 Data communications without using auto refresh
13 - 39
9
DEVICE DESCRIPTION
10
MULTIPLE CPU SYSTEM OVERVIEW
11
MULTIPLE CPU SYSTEM CONFIGURATION
12
CONCEPT OF MULTIPLE CPU SYSTEM
13
COMMUNICATIONS BETWEEN CPU MODULES
14
PARAMETERS ADDED FOR MULTIPLE CPU SYSTEMS
15
STARTING A MULTIPLE CPU SYSTEM
16
TROUBLESHOOTING
(c) Between Motion CPU (Q172DCPU or Q173DCPU) and C Controller module
Remark
1. For communications between the Q12DCCPU-V and the Q172DCPU or
Q173DCPU, use the auto refresh area in the multiple CPU high speed
transmission area. ( Page 13-24, Section 13.3.3)
For communications between the Q06CCPU-V(-B) and a Motion CPU other
than the Q172DCPU and Q173DCPU, use the auto refresh area. ( Page
13-17, Section 13.3.2)
2. For instructions of Motion CPUs, refer to the relevant Motion CPU manual.
Figure 13.26 Communication without using auto refresh
CPU shared memory
Host CPU operation information area
System area
Data written by MULTW instruction
(User setting area)
1. Write by MULTW instruction of
Motion CPU
Motion SFC program
Execution of MULTW instruction
Execution of MULTR instruction
Motion CPU (Q172DCPU, Q173DCPU)
Host CPU operation information area
System area
Auto refresh area
Data written by QBF_ToBuf function
(User setting area)
CPU shared memory
User program
Execution of QBF_FromBuf function
Execution of QBF_ToBuf function
2. Write by QBF_ToBuf function
of C Controller module
C Controller module
3. Read by QBF_FromBuf
function of C Controller
module
4. Read by MULTR instruction
of Motion CPU
When executing motion SFC program of Motion CPU
By the MULTW instruction, the data are written to the user setting area
in the CPU shared memory of the Motion CPU.
By the MULTR instruction, the user setting area data of the C Controller
module are read out to the specified device in the Motion CPU.
1.
4.
At bus interface function execution of C Controller module
QBF_ToBuf function execution writes the data to the user setting area
in the C Controller module's CPU shared memory.
QBF_FromBuf function execution reads out the user setting area data
of the Motion CPU onto the user program.
2.
3.