Chapter 6 Socket Communication Function - Mitsubishi MELSEC L Series User Manual

CHAPTER 6
(1) Socket communication
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:
• 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. (
38
SOCKET COMMUNICATION
FUNCTION
functions
SP.SOCSND instruction
Program
SP.SOCRCV instruction
S.SOCRCVS instruction
Reading receive data
Sending data
Socket communication
1
receive area *
Connection No.1
Connection No.2
Connection No.3
to Receiving data
Connection No.16
External device
Page 57, Section 6.4
)
Page 25, Section 3.4