Connect With Prolink Iii To The Rs-485 Port - Emerson Micro Motion 1500 Configuration And Use Manual

12.
A.2.4

Connect with ProLink III to the RS-485 port

You can connect directly to the RS-485 terminals on the transmitter or to any point on the
network.
Prerequisites
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Procedure
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2.
Configuration and Use Manual
Option Description
Primary Use this setting if no other primary host is on the network. The
Field Communicator is a secondary host.
Click Connect.
Need help? If an error message appears:
• Verify the HART address of the transmitter, or poll HART addresses 1–15.
• Ensure that you have specified the correct port on your PC.
• Check the wiring between the PC and the transmitter.
• Increase or decrease resistance.
• Ensure that there is no conflict with another HART master. If any other host (DCS or PLC) is
connected to the mA Output, temporarily disconnect the DCS or PLC wiring.
ProLink III is installed and licensed on your PC.
One of the following:
- RS-232 to RS-485 signal converter
- USB to RS-485 signal converter
An available serial port or USB port
Adapters as required (for example, 9-pin to 25-pin)
Attach the signal converter to the serial port or USB port on your PC.
Connect the leads from the signal converter to terminals 33 (RS-485/A) and 34
(RS-485/B).
Tip
Usually, but not always, the black lead is RS-485/A and the red lead is RS-485/B.
Using ProLink III with the transmitter
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