User's Manual

Figure: RS232 COMMUNICATON

9.2 RS485 Communication Port Connection

9.2.1 RS485 Connection (Standalone Unit)

An RS485/RS232 converter is required to use the RS485 communication between the

LX505 and a host PC. Please follow the steps below.

1. Connect RS485-RTX (+), Yellow wire to RS485-A port of the converter.

2. Connect RS485-RTX (-), Gray wire to RS485-B port of the converter.

3. Plug the RS232, 9-pin connector of the converter into the COM1 or COM2 port of the

host PC.

4. Install and run the LX505 Application Software.

Figure: RS485 Connection between LX505 units and a host PC