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Mitsubishi Electric Melsec Q Series User Manual page 219

Profibus-dp master module
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7
PROGRAMMING
(3) Program example
Figure 7.15 Program Example for Acyclic Communication (READ service (Class1_SERVICE))
7.4 Program Example for Acyclic Communication with DP-Slaves
7.4.5 Program example
Reads the acceptance
status and completion
status
Request code is set.
(1400
The FDL address of the
target DP-Slave is set
(FDL address 2).
Data length is set.
(16 bytes).
Slot No. is set. (0)
Index is set. (1)
Empty area (0)
Executes Acyclic
communication
(Request instruction
No.1 is executed.)
Reads the response
code and error code
Reads the execution result
Acyclic communication
completion processing
Reads detailed error
code
Processing for failed
completion
Acyclic communication
completion processing
1
2
)
H
3
4
5
6
7
8
7
- 30

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