User Manual
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Fig. 53 Data transmission test
5. Virtual COM port
Traditional SCADA and data collection systems rely on serial ports (RS-232/485) to collect data from various kinds of instruments.
Virtual COM ports on host computer allows remote access of serial devices over TCP/IP network that works like local native COM
ports. Since USR-M100 gateway enable network operation of instruments equipped with an RS-232/485 communication port, your
SCADA and data collection system will be able to access all instruments connected to a standard TCP/IP network, regardless of
whether the instruments are used locally or at a remote site.
To enable Virtual COM on host computer, you will require a VCOM software to emulate the COM port. For Windows operating system,
a software utility called VCOM is supported by PUSR to be used for this purpose.
This function is useful with devices such POS terminals, Bar Code Readers, Serial printers, etc. since it allows you to use software that
was written for pure serial communication applications.
Download the software from PUSR’s website:
https://www.pusr.com/support/downloads/VCOM_Setup_exe.html
Execute the VCOM program, click quick-install to install program files in the default directory, or select an alternative location. The
Installing window reports the progress of the installation.
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