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4. Start ProLink II.
5. Choose Connection > Connect to Device.
6. Set Protocol to Service Port.
Tip
Service port connections use standard connection parameters and a standard address. You do
not need to configure them here.
7. Set the COM Port value to the PC COM port that you are using for this connection.
8. If required, power-cycle the transmitter to set the terminals to service port mode.
The transmitter terminals operate in either service port mode or RS-485 mode. If
they are in RS-485 mode, you must power-cycle the transmitter and connect within
the first 10 seconds. If you do not connect within 10 seconds, the terminals will
switch to RS-485 mode. If the terminals are already in service port mode, skip this
step.
9. Click Connect.
Need help? If an error message appears:
• Switch the leads and try again.
• Ensure that you have specified the correct COM port.
• Check the physical connection between the PC and the transmitter.
• Ensure that the RS-485 terminals on the transmitter are in service port mode.
A.2.3 Make a HART/Bell 202 connection
You can connect directly to the mA terminals on the transmitter, to any point in a local
HART loop, or to any point in a HART multidrop network.
CAUTION!
If you connect directly to the mA terminals, the transmitter's mA output may be affected. If you
are using the mA output for flow control, set devices for manual control before connecting
directly to the mA terminals.
Prerequisites
• ProLink II installed and licensed on your PC
• One of the following:
- RS-232 to Bell 202 signal converter
- USB to Bell 202 signal converter
• An available serial port or USB port
• Adapters as required (for example, 9-pin to 25-pin)
Using ProLink II with the transmitter
184 Micro Motion
®
Model 1500 Transmitters with Analog Outputs