3.3
HART terminal connections
To configure and commission the Rosemount 4390 Wireless Transmitter,
the user is required to connect wires from a Field Communicator or HART
modem to the dedicated COMM terminals located under the extended
cover.
A. COMM terminal connections
3.4
Connection with AMS Trex Device Communicator
When using AMS Trex Device Communicator, follow the steps below:
Procedure
1. Connect the two clip connectors from the AMS Trex Device
Communicator kit to the Rosemount 4390 Wireless COMM
Terminals. The COMM terminal connections are not polarity
sensitive.
2. Use the AMS Trex port
HART
to connect the wires. Do not use AMS
Trex to power the Rosemount 4390 Wireless Transmitter.
3. Make sure the latest DD files are installed in the AMS Trex Device
Communicator.
4. Power-up the AMS Trex Device Communicator.
5. Start configuring the device following the steps beginning from
of this guide. Any configuration
changes must be sent to the transmitter by using the
Send
key. Refer
Quick Start Guide
April 2021
10
Emerson.com/Rosemount