Mitsubishi MELSEC L Series, User Manual

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CHAPTER 6
SOCKET COMMUNICATION
FUNCTION
(1) Socket communication function s
The socket communication function allows data communications with the devices on Ethernet by TCP or UDP
using various dedicated instructions.
*1 The area is used for storing data received from the connected open devices.
Remark
• For dedicated instructions used for the socket communication function, refer to:
Page 57, Section 6.4
• Access through routers is also available (except for simultaneous broadcast). When configuring the settings
for it, set the subnet mask pattern and default router IP address. (
Page 25, Section 3.4
)
SP.SOCSND instruction
Program
Connection No.1
Connection No.3
to
Connection No.2
Connection No.16
Reading receive data Receiving data
SP.SOCRCV instruction
S.SOCRCVS instruction
External device
Sending data
Socket communication
receive area *
1