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Installation and Use Manual 35
Using ProLink II Software
ProLink II Setup Transmitter StartupUsing ProLink IIBefore You Begin
• HART/Bell 202 connections
- HART/Bell 202 connections are available on all transmitters that have an mA output,
except the Model 1500 with the Filling and Dosing application. The transmitter
Model 1500 with the Filling and Dosing application does not support HART
communication.
- HART/Bell 202 connections use standard connection parameters, so you don’t have to
know the transmitter’s configuration.
- Because the HART/Bell 202 connection is made over the primary mA output terminals,
the communication signal can interfere with certain procedures such as loop testing, and
may cause the output to change. Depending on how the primary mA output is being used,
this may have significant consequences for process control.
- Depending on the transmitter and wiring method, HART/Bell 202 connections may be
appropriate for both temporary and permanent connections.
• RS-485 connections
- RS-485 connections are not available on all transmitters.
- To use an RS-485 connection, you must know the transmitter’s configuration.
- RS-485 connections are appropriate for both temporary and permanent connections.
Making the connection
1. Ensure that your PC is connected to a transmitter, using one of the methods described in
Chapter 2.
2. If the
Connect dialog box is not displayed:
a. Open the
Connection menu.
b. Click on the
Connect option.
3. Select the protocol to use. Depending on the
Protocol option that you choose, different
communications options will be available for configuration.
Note: Due to the design of HART protocol, connections made using HART protocol are slower than
connections that use Modbus protocol. If you use HART protocol, you cannot open more than one
ProLink II window at a time.
Note: Windows NT does not support USB connections.
Note: If you are using a service port connection to a Model 1500/2500 transmitter or a Series 3000
transmitter, see Section 2.2.6 for instructions on making this connection.
4. Specify
Baud Rate, Parity, Stop Bits, COM Port, and Address/Tag as appropriate for your
connection and transmitter. See Section 2.2.6 for more information on these parameters.
Note: If you are using HART protocol and a HART tag (software tag) has been configured for your
transmitter, you can specify the HART tag instead of the HART address.
5. If you are using the Viator USB HART Interface, enable
Converter Toggles RTS.
6. Click the
Connect button.
Note: ProLink II can connect to only one transmitter at a time. To connect to another transmitter, you
must first disconnect from the current connection.