Ams trex™ Device Communicator

Procedure
Press and hold the power button for 12 seconds.
The Trex unit shuts down.
2.9
Home screen
The Home screen appears after you power on the Trex unit. The Home screen displays the
installed applications and the status bar at the top of the screen. The Home screen may
display one or more of the applications listed below.
Figure 2-14: Home screen
User Guide 
AMS Trex Device Communicator overview
September 2021
User Guide 
27

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Application
Description
Field Communicator
Connect to and configure HART or FOUNDATION fieldbus devices. The
Trex unit can also power one HART or FOUNDATION fieldbus device.
Fieldbus Diagnostics
Measure the DC voltage, the noise, and the signal on a FOUNDATION
fieldbus segment. The Trex unit can also power one FOUNDATION
fieldbus device.
Loop Diagnostics
Measure loop current and voltage, control current, and power a HART
device when using a Trex unit with a Device Communicator Plus
communication module.
Settings
View and adjust settings for the Trex unit.
Trex Help
View help topics that describe the hardware and applications on the
Trex unit.
ValveLink Mobile
Run valve diagnostics for HART and FOUNDATION fieldbus Fisher
FIELDVUE digital valve controllers. You can not power a valve using
ValveLink Mobile, but you can transfer the ValveLink Mobile diagnostic
files to a PC using the Trex File Transfer Utility included with the Upgrade
Studio install.
WirelessHART
Provisioning
Quickly provision connected WirelessHART devices to a Smart Wireless
Gateway.
RadarMaster
View enhanced dashboards for select Emerson level devices, and
interact with echo curve displays.
AMS Inspection Rounds
Increase productivity of visual inspections, and standardize and
synchronize data collection in the field.
Calculator
Calculate on the fly with standard and enhanced operations in loop and
unit conversion, and Ohm's law calculations.
PDF viewer
Download and display PDF files using File Transfer Utility.