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6.4 Communication with PLC Manufactured by Mitsubishi Electric Corporation (MELSEC protocol)
6.4.1 When the MP2300S Acts as Slave (automatic receive function is used)
6-75
6
Ethernet Communications
6.4 Communication with PLC Manufactured by Mitsubishi Electric
Corporation (MELSEC protocol)
In Ethernet communication between the MP2300S and MELSEC (Q, A series) general-purpose PLC manufactured by
Mitsubishi Electric Corporation, the MELSEC protocol (MELSEC ACPU common command) is used as a communi-
cation protocol.
Using the MELSEC protocol allows a master to read/write the slave register content.
This chapter explains communication when the MP2300S acts as a slave and a master respectively.
For using the MP2300S as a slave, we explain communication using the automatic receive function.
For using the MP2300S as a master, we explain communication using the I/O message communication function.
6.4.1 When the MP2300S Acts as Slave (automatic receive function is used)
This section explains how to carry out a fixed buffer communication with the BUFSND command (with procedure) of
the MELSEC Q series using the MP2300S automatic receive function.
Fig. 6.12 Message Flow with the MELSEC Q Series when the Automatic Receive Function Is Used
MELSEC protocol
(fixed buffer communication, with procedure)
MP2300S
218IFA
MP
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MELSEC Q series
BUFSND command
(ladder application)
Slave
Master
MP2300S
(Local station)
MELSEC Q series
(Remote station)
Ethernet
Ethernet
Communication Protocol
Type
Connection Type
Data Code Type
MELSEC protocol
TCP / UDP
BIN / ASCII
Automatic receive function
(ladderless)
Summary of Contents for JEPMC-MP2300S-E
Page 14: ...MEMO ...
Page 24: ...MEMO ...
Page 114: ...MEMO ...
Page 132: ...MEMO ...
Page 154: ...5 2 User Programs 5 2 2 Motion Programs 5 22 2 Example using a ladder program ...
Page 156: ...5 2 User Programs 5 2 2 Motion Programs 5 24 2 Example using a ladder program ...
Page 190: ...MEMO ...
Page 280: ...MEMO ...
Page 300: ...7 3 Operation 7 3 5 How to Determine Input Error 7 20 Continued from the previous page ...
Page 310: ...MEMO ...