ICPDAS PDS-811 User Manual page 35

Programmable Device Server with I/O Expansion Slot(s)
3. Type a string in the send field then click the
displayed in the received field.
Note:
While using RS-485 modules (e.g. I-8144iW), you should wire the Data1+ with Data2+
signals, and wire the Data1- with Data2- signals for self-test. Then open the first two
COM ports, send data to one and receive data from the other.
4. If the test is successful, then your COM port program should now be able to work with this
Virtual COM Port.
"Send"
The response is displayed
PDS-8x1 Series User Manual, Version 1.1.2, Apr. 2015
button. If a response is received, it will be
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