Delta AH500 Programming Manual page 675

9. The example illustrates how to establish the UDP connection between a computer and an
AH500 series PLC.
10. When M0 is ON, whether the socket has been connected is checked. If the socket has not
been connected, the connection procedure is performed. After the socket has been connected,
M0 will be switched OFF and M1 will be ON.
11. When M1 is ON, the data is sent. After the sending of the data is complete, M1 will be switched
OFF and M2 will be ON.
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