Typical Applications For The Pds; Rs-232/485/422 Device - ICP DAS USA PDS-700 User Manual

2. Typical Applications for the PDS

2.1. RS-232/485/422 Device Networking
The PDS series is designed to link RS-232/485/422 devices to an Ethernet network. The
VxComm utility allows the built-in PDS 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.
--- Using Virtual COM Technology ---
PDS Series User Manual ( V1.4, Oct. 2009) ----- 11
The original COM1/2
of the host PC
COM1/2 of the PDS-
700 is mapped to
COM3/4 of the host PC
COM1/2 of the PDS-
700 is mapped to
COM5/6 of the host PC