15
Typical Applications
RS-485 Application
A typical RS-485 application for the TCC-100 series is shown in the following
figure. In this scenario, two TCC-100 units are used to connect two PCs to an
RS-485 network. The third TCC-100 is used to connect the PLC, which is
designed for the RS-232 interface, to the RS-485 network. In this way, both
PCs are able to interact with the PLC and the LCD display.
RS-422 Application
A typical RS-422 application for the TCC-100 Series is shown in the following
figure. In this scenario, two TCC-100 units are used to create a
point-to-point connection between a PC and a scales. The advantage of
using two TCC-100 units to convert from RS-232, to RS-422, and then back
to RS-232, is that the RS-422 cable connecting the two converters can be up
to 1.2 km in length (this is big improvement compared to the 15-m distance
limitation imposed by the RS-232 interface).
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