Socket Communications - Mitsubishi Electric MELSEC iQ-R Series User Manual

Socket communications

Using dedicated instructions, arbitrary data can be exchanged with an external device connected by Ethernet over TCP/IP or
UDP/IP.
Use this for bidirectional communication one-on-one with an external device.
CC-Link IE TSN Plus module
For examples of socket communications, refer to the following.
Page 245 Example of Socket Communications
Setting method
Set "External Device Configuration" under "Basic Settings". ( Page 82 External Device Configuration)
1.
Select the external device to be connected in "Module List" and drag it to "List of devices" or "Device map area".
External device name
UDP Connection Module
Active Connection Module
Unpassive Connection Module
Fullpassive Connection Module
2.
Set "Communication Method" for the external device to "Socket Communication".
3.
Set the other parameters required for communication in the connection.
Applicable dedicated instructions
For the dedicated instructions used for socket communications, refer to the following.
Page 214 Socket Communications Instructions
Applicable connections
When communicating via socket communications, the connection numbers 1 to 8 set in "External Device Configuration" in
"Basic Settings" can be used. ( Page 82 External Device Configuration)
Ethernet
Receive or
broadcast receive
Send
Broadcast send
Broadcast send
Description
Select to communicate with the external device using UDP/IP.
Select to perform the open processing to the external device from the CC-Link IE TSN Plus module (Active open)
and communicate using TCP/IP.
Select to receive the open processing from an unspecified external device (Unpassive open) and communicate
using TCP/IP.
Select to receive the open processing from the specified external device (Fullpassive open) and communicate
using TCP/IP.
External device
External device
External device
9 FUNCTIONS
9.4 Ethernet Connection
9
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