Typical Applications For The Pds; Rs-232/485/422 Device Networking - ICP DAS USA PDS-220F Series User Manual

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2. Typical Applications for the PDS

2.1 RS-232/485/422 Device Networking

--- Using Virtual COM Technology ---
The PDS-220Fx series is designed to link RS-232/485/422 devices to an Ethernet network.
The VxComm utility allows the built-in PDS-220Fx COM Port to be virtualized to a
standard COM Port of the host PC as shown below:
In the configuration above, Meter-1 is virtualized to link to COM3 of the host PC. Therefore
a program original designed for the MS-COMM standard can access the meter without
any modification.
PDS-220Fx Series User Manual (V1.2, Apr. 2015)
The original COM1/2
of the host PC
COM1/2 of the PDS-
220Fx is mapped to
COM3/4 of the host PC
COM1/2 of the PDS-
220Fx is mapped to
COM5/6 of the host PC
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