Programmable Device Server with I/O Expansion Slot(s)
PDS-8x1 Series User Manual, Version 1.1.2, Apr. 2015
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3.
Type a string in the send field then click the
“
Send
”
button. If a response is received, it will be
displayed in the received field.
4.
If the test is successful, then your COM port program should now be able to work with this
Virtual COM Port.
The response is displayed
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.