Figure B-3: Connection over network
A. PC
B. RS-232 to RS-485 converter
C. 120-Ω, 1/2-watt resistors at both ends of the segment, if necessary
D. DCS or PLC
E. Transmitter with end-cap removed
Note
This figure shows a serial port connection. USB connections are also supported.
4. Start ProLink III.
5. Choose Connect to Physical Device.
6. Set parameters as shown here.
Parameter
Setting
PC Port The number assigned to the COM port or USB port on your PC
Address The Modbus address configured for this transmitter. The default is 1.
The transmitter automatically detects all other communications settings.
7. Click Connect.
Need help?
If an error message appears:
• Switch the leads and try again.
• Verify the Modbus address of the transmitter.
• Ensure that you have specified the correct port on your PC.
• Check the wiring between the PC and the transmitter.
Configuration and Use Manual Using ProLink III with the transmitter
MMI-20025166 March 2019
Configuration and Use Manual 321
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