Emerson Electric AMS Trex User Manual
Reliability Solutions
AMS Trex™ Device Communicator
Commission and validate devices faster
Automatically synchronize eld changes
with AMS Device Manager
Quickly x issues in the eld with advanced
device diagnostics
Congure and test valves inline
Improve efciency with a modern,
intuitive user interface
Intrinsically safe; usable anywhere you need to go
With the Trex communicator, you can do more in the eld than
ever before.
Product Data Sheet
June 2020
Introduction
The AMS Trex Device Communicator expands the long
line of Emerson handheld devices while adding new
capabilities that adapt it to consumer expectations
for mobile device functionality.
Technicians armed with a Trex communicator won’t waste
time bringing devices back to the shop for analysis or
reconguration. AMS Trex is delivered with a complete,
pre-installed DD library for over 2,000 HART and Foundation
Fieldbus devices so users can easily diagnose device problems
in the eld. Simple issues can be addressed on the spot,
avoiding unnecessary, and potentially destructive,
invasive physical investigation of the problem.
Technicians need powerful and portable diagnostic tools so
they can identify and troubleshoot device issues to minimize
process upsets. With a Trex communicator in hand, you can
properly diagnose device issues in the eld. With the right
handheld, maintenance teams will experience signicant
savings in work hours and peace of mind knowing that
problems will be xed quickly and properly the rst time.
Once changes are made in the eld, AMS Trex will automatically
synchronize the information with the AMS Device Manager
database via Wi-Fi or USB connection.
Rugged and Reliable
For a communicator to be useful in the eld, it must be built to
last and ready for anything. The Trex communicator is designed
to withstand the harsh conditions in and around manufacturing
facilities. The rugged device is easy to hold, yet designed to take
the bumps and drops that come from normal use in the plant.
In addition, the Trex communicator is protected against
moisture and extreme temperatures, allowing you to work
regardless of environmental conditions. The sturdy exterior is
designed in accordance with Intrinsic Safety standards to limit
the buildup of static electrical energy. Unlike consumer-grade
mobile devices, the Trex communicator will withstand the
abuse of a harsh eld environment.
Designed based on user feedback and with eld use in mind,
the carrying case features an access window that allows you
to use the communicator and contains pockets large enough
to carry the charger, extra lead sets, or other tools you may
need in the eld.
AMS Trex Device Communicator
The rugged form factor is built for an industrial environment.
Adjustable Display
The Trex communicator features a 5.7” resistive touchscreen
display for easy use with bulky work gloves. The adjustable
backlit screen can be easily changed to save power or adapt to
dark environments or bright sunlight, ensuring a crisp display
that can always be read - no matter the external conditions.
An App for That
June 2020
WirelessHART Provisioning – The WirelessHART Provisioning
app allows you to provision wireless networks in less time,
with less chance of error and in a more secure fashion.
The app can congure hundreds of devices with a push of a
button, improving accuracy and allowing you to provision an
entire network up to 6x faster.
Radar Master – The Radar Master app enables you to ensure
the measurement and conguration accuracy of your
Rosemount radar level transmitters by bringing the power
of Radar Master software to the eld. Use dynamic graphics
to verify congurations while protecting the safety of your
personnel and assets.
ValveLink Mobile – With Valvelink Mobile, you can analyze
and review valve assembly condition and performance without
affecting the process. Conguration and troubleshooting of
digital valve controllers has never been more efcient.
Calculator – The Calculator app for AMS Trex includes a
simple calculator, conversion calculator for base conversions,
loop convertor/Ohm’s law calculator, and unit converter for
engineering units.
Trex Help – The Trex Help app offers a searchable help guide,
putting key information on operation and troubleshooting at
your ngertips.
The Trex communicator includes Upgrade Studio, a PC
application to help keep the Trex unit up-to-date with new
software and apps.
With Upgrade Studio, add critical diagnostic tools to
your toolkit and push them out to any number of Trex
communicators. With multiple apps available and many
more in development, Upgrade Studio will make the Trex
communicator your go-anywhere, do-anything device:
Field Communicator – The Field Communicator app delivers
a wide range of options for conguring and troubleshooting
HART and Foundation Fieldbus devices.
Loop Diagnostics – With the Loop Diagnostic app, you
can power the loop in the eld and also perform loop
troubleshooting and checkouts. The app helps with loop
characteristic validation and lets you isolate and troubleshoot
wiring issues.
Fieldbus Diagnostics – The Fieldbus Diagnostics app gives
you the necessary toolset for troubleshooting and validating
Foundation Fieldbus segments.
PDF Viewer – Transfer PDF les to AMS Trex to easily access
manuals, work processes, notes, and any other PDFs in the eld.
Designed for Use
Designed for comfortable, one-handed, all-day operation
in the eld, the Trex communicator is packaged in an evenlybalanced form factor with a rugged hand strap so you can easily
hold it, even when working in tight spaces. It comes standard
with 32 GB of application memory, providing plenty of space
to customize it with the apps of your choice. With built-in
USB and Wi-Fi connectivity, you can move data to and from
the communicator using the connectivity option that is most
convenient. With numerous communication options,
your communicator has never been more connected.
The communicator’s robust lithium-ion power module will keep
it running for hours, well over a full shift, even when it is being
used to power other devices in the eld.
www.emerson.com/trex 2
AMS Trex Device Communicator
June 2020
Intrinsically Safe
The Trex communicator is built to go wherever you may need
to be. Unlike consumer mobile devices that cannot be taken
into hazardous areas without shutting down the process or
pulling a hot work permit, the Trex unit meets global Intrinsic
Safety requirements:
ATE X
CSA (US/Canada)
IECEx
FISCO
Gain freedom and exibility with a communicator that can go
anywhere you need to, when you need to, without worrying if
the device will put you at risk.
Powering devices from the communicator allows you to isolate
the device from the rest of the system, helping you identify
installation problems like power supply, wiring, I/O card,
and conguration issues.
Auto Sync
The Auto Sync technology in AMS Trex helps maintain data
integrity in your AMS Device Manager database without any
technician intervention. Every change made in the eld is
automatically recorded and time-stamped.
Changes are updated in real-time if Wi-Fi connection is enabled
and a technician is in a hot spot. Or changes are cached on
the Trex communicator and applied to the database when the
communicator detects a Wi-Fi signal or USB cable connection.
The Trex communicator logs and timestamps changes as they
occur, delivering an accurate audit trail of device changes to the
AMS Device Manager database.
Powerful Diagnostics
Identify Valve Problems
Manage loop health easily with the Trex communicator.
Power the Loop
The Trex communicator includes built-in functionality to power
a device. Simply connect the communicator to an instrument
to power it. Technicians no longer waste time rounding up a
power supply or conrming adequate loop resistance before
testing, speeding conguration on the bench.
Power the loop functionality allows device conguration in the
eld on new projects—even before power and I/O infrastructure
are in place. Transmitter conguration no longer needs to be
the last step of new projects. Congure transmitters before the
host system, wiring, piping, and other project elements arrive,
keeping transmitter conguration from being a critical path
item, allowing more exibility in new project scheduling and
leading to faster startups.
Valve problems are particularly costly to diagnose and
repair. Field technicians are often required to pull a valve
to investigate a problem, and removing valves for inspection
usually means shutting down the process. Further complicating
troubleshooting, technicians often need to disassemble
the valve to determine the root cause of the problem.
This frequently leads to further damage to the valve,
ending in a more time consuming and expensive repair.
Using the ValveLink Mobile app on the Trex unit, you can
perform valve diagnostics in the eld, including valve
signature, dynamic error band, PD one button sweep,
and step response, without having to pull the valve
or perform invasive troubleshooting steps. ValveLink Mobile
works with HART and Foundatio n Fieldbus Fisher® FIELDVUE™
digital valve controllers and provides an intuitive user interface
that is easy to understand and use. With the AMS Trex Device
Communicator Plus communication module, you can even
power the digital valve controller directly from ValveLink
Mobile. The large touchscreen on the Trex communicator
makes it easier than ever to see all valve diagnostic details.
www.emerson.com/trex 3
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