Emerson wirelessHART Rosemount Series Quick Start Manual page 11

April 2021
Figure 3-1: Connection with AMS Trex Device Communicator
Providing power to a WirelessHART device from AMS Trex can
damage the device.
Do not use the AMS Trex unit to power the Rosemount 4390 Wireless
Transmitter.
3.5 Connection with HART Modem and AMS Device Manager
When using a HART Modem and a PC with AMS Device Manager installed,
follow the steps below
Procedure
1. Connect the two clip connectors from the HART Modem to the
Rosemount 4390 Wireless COMM Terminals. The COMM terminal
connections are not polarity sensitive.
2. Make sure all necessary drivers for the HART Modem are installed and
updated.
3. Make sure the latest DD files are installed in the AMS Device
Manager.
4. Start AMS Device Manager.
Quick Start Guide
A. Rosemount 4390 Wireless
B. Lead and clip connector kit
C. AMS Trex Device Communicator
WARNING
Quick Start Guide
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