Mitsubishi MELSEC L Series, User Manual

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CHAPTER 6 SOCKET COMMUNICATION FUNCTION
6
6.
2
C
o
mm
uni
cat
ion Using UDP
6.2
Communication Using UDP
UDP (User Datagram Protocol) is a simple protocol that does not perform data sequencing and retransmission.
To perform socket communication using UDP, confirm the following in advance.
• IP address and port number of the target device
• IP address and port number of the CPU module
(1) Program example
This section provides a program example for communication using UDP.
(a) Parameter setting
The following parameters are set for the sample program.
Project window
[Parameter] [PLC Parameter] [Built-in Ethernet Port Setting]
[Open Setting]
Item Setting
Protocol UDP
Open System Socket Communication
TCP Connection Blank
Host Station Port No. 1000
H
(Setting range: 0001
H
to 1387
H
and 1392
H
to FFFE
H
)
Destination IP Address 192.168.3.40 (Setting range: 0.0.0.1 to 223.255.255.254/255.255.255.255)
Destination Port No. 1000
H
(Setting range: 0001
H
to FFFE
H
/FFFF
H
)