Emerson TREX Communicator
What Is Trex Communicator
As field device protocols and maintenance requirements have evolved, the AMS TREX Field Communicator was introduced as the modern successor to the 475-more powerful, more flexible, and better aligned with today's industrial field applications.
TREX is more than a basic communicator. It combines higher processing performance, a more intuitive user interface, and broader protocol support, making it an essential tool for modern field engineers performing smart instrument configuration, parameter adjustment, diagnostics, and commissioning.
Key Advantages of Emerson TREX
Designed as the next-generation Emerson field communicator, TREX retains the proven reliability of earlier models while delivering a modern user experience and enhanced functionality.
1. enhanced Performance and User Experience
- Large Touchscreen Display
A clear and intuitive touchscreen interface supports graphs, trends, and device status visualization, offering a more efficient and user-friendly experience compared to traditional keypad-based communicators.
- High-Performance Processor and Expanded Memory
Faster response times and stronger data-processing capability allow TREX to handle larger device libraries and store more diagnostic and event data.
2. Advanced Diagnostics and Field Support
- Built-in advanced diagnostic capabilities enable real-time monitoring of device health and alert conditions, helping engineers quickly identify and troubleshoot field issues.
- Supports loop power functionality, allowing devices to be powered directly from the communicator during verification and bench testing, significantly improving commissioning efficiency.
3. Universal Protocol Support
- Supports HART, WirelessHART, and FOUNDATION™ Fieldbus communication protocols, ensuring broad compatibility with a wide range of industrial field devices.
- Seamlessly integrates with AMS Device Manager, ValveLink™, and other Emerson software platforms, enabling smooth data exchange between the field and control systems.
4. Rugged and Field-Ready Design
- Certified for intrinsically safe (IS) operation, meeting safety requirements for use in hazardous industrial areas.
Rugged construction with resistance to shock and vibration, designed to withstand harsh industrial environments.
Technical Specifications
Processor, Memory & Operating System
|
Item |
Specification |
|
Microprocessor |
800 MHz ARM Cortex-A8 / NXP |
|
Internal Memory |
2 GB NAND Flash |
|
Extended Memory |
32 GB Flash |
|
RAM |
512 MB DDR3 SDRAM |
|
Operating System |
Windows Embedded Compact 2013 |
Physical Characteristics
|
Item |
Specification |
|
Weight |
Approx. 2.9 lbs (1330 grams) |
|
Display |
5.7 in. (14.5 cm) color VGA resistive touchscreen |
|
Resolution |
640 × 480 pixels |
|
Keypad |
X button (Back) |
Power Supply & Battery
|
Item |
Specification |
|
Battery |
Rechargeable Lithium-Ion Power Module |
|
Operating Time |
8+ hours of typical use |
|
Charge Time |
3–4 hours |
|
AC Adapter |
Included |
|
LED Indicators |
6 LEDs: 5 for charging progress, 1 for AC adapter charging status |
|
Charger Input Voltage |
100–240 VAC, 50–60 Hz |
|
Power Cables |
US, EU, UK, and AU plugs included |
Wireless Communication
|
Item |
Specification |
|
Wireless Approvals |
FCC, CE, RED, IC |
|
Certification |
Approved for use in over 100 countries |
|
Wi-Fi |
IEEE 802.11 b/g/n |
|
Wi-Fi Range |
Up to 33 m |
|
NFC |
Active NFC |
|
NFC Range |
Up to 20 mm |
HART + PWR (Bench Power)
|
Item |
Specification |
|
Function |
Enables HART communication and powers one HART device |
|
Included |
HART power supply, 167 Ω resistors, current control, ammeter |
|
Connectors |
Two banana jack plugs |
|
Current Range |
3–22.5 mA |
mA Terminal (External Ammeter)
|
Item |
Specification |
|
Function |
Measures current in a 4–20 mA loop |
|
Connectors |
Two banana jack plugs |
|
Current Range |
Up to 22.5 mA |
|
Resolution |
0.1 mA |
FOUNDATION Fieldbus (FF)
|
Item |
Specification |
|
FF Terminal |
Enables FOUNDATION Fieldbus device communication |
|
Connectors |
Two banana jack plugs |
FF + FF PWR (Bench Power)
|
Item |
Specification |
|
Function |
Provides power to one FOUNDATION Fieldbus device |
|
Connector |
One banana jack plug |
|
Included |
Power conditioner |
|
Current Range |
0–38 mA |
Environmental Conditions
|
Item |
Specification |
|
Operating Temperature |
-20°C to +55°C (-4°F to 131°F) |
|
IS Approved Temperature |
-20°C to +50°C (-4°F to 122°F) |
|
Charging Temperature |
+10°C to +45°C (50°F to 113°F) |
|
Storage (with battery) |
-20°C to +50°C (-4°F to 122°F), < 1 month |
|
Storage (without battery) |
-20°C to +60°C (-4°F to 140°F) |
|
Enclosure Rating |
IP54 |
|
Shock Resistance |
Survives 1-meter drop onto concrete (all sides and corners) |
Upgrade Studio Requirements
|
Item |
Requirement |
|
Operating System |
Windows 7 Professional SP1 (32/64-bit) |
|
Disk Space |
Minimum 512 MB free |
|
User Access |
Windows administrator privileges required |
Typical Applications
TREX is suitable for smart device configuration and routine maintenance across a wide range of industrial applications, including:
- Digital valve controllers (DVC, SVI, TZID, etc.)
- HART and Fieldbus transmitters (pressure, flow, temperature, level, and more)
- Control valves and field actuators
- Automation system commissioning and troubleshooting
- Control rooms and outdoor instrument areas
- Oil & gas, petrochemical, power generation, metallurgy, pharmaceutical, and other industrial sectors
- Improvements Over Traditional Field Communicators
- Compared with the legacy 475 Field Communicator, TREX offers clear advancements:
- Modern UI/UX design with touchscreen operation and graphical visualization
- Broader protocol and device driver support for improved compatibility and future expansion
- Greater field readiness with IS certification and rugged housing
- Faster data exchange and diagnostics, supported by wireless communication and enhanced processing power
Products Description
When selecting a field communicator, engineers care not only about the device itself, but also about lead time, authenticity, after-sales support, and technical expertise. We provide comprehensive support in all these areas:
- Stock availability: Common models are kept in inventory, typically ready to ship within 15 days
- Genuine products: 100% original Emerson / Fisher devices, fully compliant with project acceptance requirements
- Flexible logistics: International express, air freight, and other shipping options available
- Warranty support: 18-month warranty for added peace of mind
- Professional technical support: Assistance with model selection, protocol compatibility, and field application guidance
In One Sentence
The AMS TREX Communicator is a modern, reliable tool for smart device communication and diagnostics in today's industrial field environments-and our service ensures you receive the right product, on time, with full technical and after-sales support.
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