AMS Trex Device Communicator

Streamline field maintenance with a powerful and mobile diagnostic device When assets are not performing properly or issues go undiagnosed in the plant, it can cause costly unexpected downtime. The AMS Trex Device Communicator allows for simple issues to be addressed on the spot, avoiding unnecessary, and potentially destructive, invasive physical investigation of the problem.

Rugged, Reliable, and Intrinsically Safe

Designed to withstand the harsh conditions in manufacturing facilities and meets global Intrinsic Safety requirements.


Designed for Use

Designed for comfortable, one-handed, all-day use in the field. The screen also operates while wearing gloves.


Power the Loop

Allows device configuration in the field before power and I/O infrastructure are in place. Simply connect to an instrument to power it.


Adjustable Display

Easily change display to save power or adapt to dark environments or bright sunlight, ensuring a crisp display that can be read.


App Library

Expand functionality of the AMS Trex through the modern application-based framework to help technicians perform their tasks.


Auto Sync

Maintain data integrity in your AMS Device Manager database without any technician intervention.

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Upgrade Studio, an included PC application, helps keep the Trex unit up-to-date with new software and apps. These apps automate workflows and make it easier for personnel in the field to safely, consistently and accurately commission, configure, diagnose and trouble-shoot field instruments.

Critical Diagnostic Tools

Field Communicator

Delivers a wide range of options for configuring and troubleshooting HART and FOUNDATION Fieldbus devices.


Loop Diagnostics

Power the loop in the field and perform loop troubleshooting and checkouts. Also, isolate and troubleshoot wiring issues.


Fieldbus Diagnostics

Get the necessary toolset for troubleshooting and validating FOUNDATION Fieldbus segments.


WirelessHART Provisioning

Provision wireless networks in less time, with less chance of error and in a more secure fashion.


Radar Master

Ensure the measurement and configuration accuracy of your Rosemount radar level transmitters.


ValveLink Mobile

Analyze and review valve assembly condition and performance without affecting the process.



Includes a calculator, conversion for base conversions, loop convertor/Ohm’s law calculator, and unit converter.


PDF Viewer

Transfer PDF files to AMS Trex to easily access manuals, work processes, notes, and any other PDFs in the field.

Processor, Memory, and Operating System
  • 800 MHz ARM Cortex A8 / NXP
Memory Internal Flash
  • 2 GB NAND and 32 GB extended flash
Operating System
  • Windows Embedded Compact 2013
  • 512 MB DDR3 SDRAM
Languages Supported
  • English, Chinese, German, Russian, French, Japanese, and Spanish
  • Approximately 2.9 lbs (1330 grams)
  • 5.7 inch (14.5 cm) color VGA resistive touchscreen
  • 640 x 480 pixel
  • X button – similar to a Back key
  • 4 arrow buttons to navigate menus
  • Checkmark- similar to an Enter key
  • Rechargeable Lithium- Ion Power Module
Operating Time
  • 8+ hours of typical use
Charge Time
  • 3 to 4 hours
  • 6 LEDs. Five LEDs for indicating the progress of charging. One LED to indicate the AC
    adapter is charging the power module
Battery Charger Options
  • Input voltage 90-264 VAC, 47-63 Hz
  • Cables included with US, EU, UK, and AU plugs

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