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8.6.3 UD Link (User-defined Communication)
The UD Link provides non-Modbus RS-485/RS-422/RS-232 communication. A packet can be edited
according to a communication format. The steps of creating an UD Link are as follows.
(1) Creating a groupEditing TX packets and RX packetsCreating commandsDownloading
the group, and then triggering the sending/receiving of the packets
(2) Creating a groupEditing TX packets and RX packetsCreating commandsCreating other
groupsCreating sequencesDownloading the sequences, and then triggering the
sending/receiving of the packets
First, create TX packets and RX packets in a group. Then, set the sequence of
sending/receiving the packets, and the number of times the packets are sent/received through
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