Chapter 7 Socket Communication Function - Mitsubishi Electric Q03UDVCPU User Manual

CHAPTER 7
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. (
Note 7.1
Note 7.1
Universal
Before using the socket communication function for the QnUDE(H)CPU, check the versions of the CPU module and
programming tool. (
86
SOCKET COMMUNICATION
FUNCTION
SP.SOCSND instruction
Program
SP.SOCRCV instruction
S.SOCRCVS instruction
Reading receive data
Page 201, Appendix 3)
Note 7.1
Sending data
Socket communication
*1
receive area
Connection No.1
Connection No.2
Connection No.3
to Receiving data
Connection No.16
Page 30, Section 3.4)
External device
Page 105, Section 7.4