Mitsubishi Electric melsec q03ud(E)cpu, User Manual

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CHAPTER 7
SOCKET COMMUNICATION
FUNCTION
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 105, Section 7.4
● 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 30, Section 3.4)
Note 7.1
Note 7.1
Before using the socket communication function for the QnUDE(H)CPU, check the versions of the CPU module and
programming tool. ( Page 201, Appendix 3)
Note 7.1
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
Universal