Emerson Process TREXLFPNA9S3 Trex Device Communicator – HART & Fieldbus, Intrinsically Safe, 3-Year Standard Support

Emerson Process TREXLFPNA9S3 Trex Device Communicator – HART & Fieldbus, Intrinsically Safe, 3-Year Standard Support.

The Emerson Process TREXLFPNA9S3 Trex Device Communicator is engineered for technicians who require high performance, durability, and multi-protocol support in one handheld device. Built to operate in tough industrial environments, this communicator supports both HART and FOUNDATION Fieldbus applications, features a bright 5.7-inch color touchscreen, and is powered by an efficient lithium-ion battery capable of lasting through a full workday.

Designed with EDDL technology and integrated AMS Device Manager compatibility, it ensures reliable communication and seamless integration across multiple field instruments. Its IP54-rated enclosure, drop resistance, and intrinsic safety certifications make it suitable for hazardous field locations.

Key Features

• Multi-Protocol Support – Fully licensed HART and Fieldbus applications for complete device configuration.

• Device Communicator Plus Module – Enables advanced diagnostics and field device analysis.

• Touchscreen Interface – 5.7-inch color VGA resistive touchscreen for clarity and glove-friendly operation.

• Wireless Connectivity – Built-in USB and Wi-Fi for efficient communication and updates.

• Powerful Performance

  • 800 MHz ARM Cortex A8/NXP processor

  • 512 MB DDR3 RAM

  • 2 GB internal + 32 GB extended flash memory

• Extended Battery Life – 8+ hours of operation using the included Li-ion Power Module.

• Rugged and Reliable –

  • Drop tested from 1 meter onto concrete

  • IP54 enclosure rating

  • -4 to 122°F operating temperature

• Intrinsic Safety Certified – Safe to use in hazardous and explosive environments.

• Smart Synchronization – Automatically integrates data with AMS Device Manager.

• Software Updates – Upgrade firmware and install apps easily online.

Why Choose the TREXLFPNA9S3?

The TREXLFPNA9S3 Trex Communicator from Emerson is built for professionals in process industries who need a reliable and durable communicator for configuring transmitters, calibrating devices, and performing diagnostics. Whether you\’re managing pressure, flow, or dimensional calibration instruments, this communicator delivers precision and consistency — even in the harshest environments.

What’s Included

• 1x Li-Ion Power Module

• 1x HART Application License

• 1x Fieldbus Application License

• 1x Device Communicator Plus Module

• 3 Years of Standard Support

Technical Specifications

Applications

• Field configuration and diagnostics of pressure and temperature transmitters

• Commissioning and maintenance of control valves

• Integration with AMS Device Manager for streamlined asset management

• Safe field use in hazardous locations

Related Resources

• Discover more in our Communicators category

• Read the article: Precision Matters — The Importance of Dimensional Calibration in Manufacturing