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Honeywell MU-TSTX03 Smart Transmitter Interface FTAHoneywell MU-TSTX03 Smart Transmitter Interface FTAHoneywell MU-TSTX03 Smart Transmitter Interface FTA
Honeywell MU-TSTX03 Smart Transmitter Interface FTA
Honeywell MU-TSTX03 Smart Transmitter Interface FTA
Honeywell MU-TSTX03 Smart Transmitter Interface FTA

Honeywell MU-TSTX03 Smart Transmitter Interface FTA


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PRODUCT SKU : MU-TSTX03

PRODUCT TYPE : Smart Transmitter Interface FTAs

PRODUCT VENDOR : Honeywell


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

The Honeywell MU-TSTX03, also cataloged as the MU-TSTX03 Smart Transmitter Interface FTA, operates as a dedicated hardware component for high-speed serial signal conversion within Honeywell DCS host architectures. It routes digital process variables and diagnostic telemetry from smart field devices using RS-485 differential communication lines at transfer rates reaching up to 1 Mbps. Powered by a 5 VDC supply rail, the assembly executes low-power data transfer across noise-susceptible serial channels to maintain field-to-controller signal integrity.

Hardware Specifications

Parameter Specification
Model MU-TSTX03
Brand Honeywell
Origin USA
Operating Temp -40 to 85 deg C
Power Consumption Less than 0.5 W
Product Type Smart Transmitter Interface FTAs
Communication Protocol RS-485
Data Transfer Rate Up to 1 Mbps
Power Supply 5 VDC

Process Control & Digital Field Communications

The MU-TSTX03 provides physical layer signal conditioning to interface smart field transmitters with DCS controller buses over long-distance serial links. Engineered to operate in environments utilizing 4-20 mA HART loop protocol instruments and digital serial networks, the assembly employs RS-485 differential transceivers to achieve high noise immunity against electromagnetic interference. Channel-to-channel isolation and managed signal lines preserve transmission quality during high-speed data acquisition cycles.

Frequently Asked Questions

Q: What data transfer rates does the RS-485 transceiver circuitry on the MU-TSTX03 support?

A: The physical layer transceivers on the MU-TSTX03 assembly support high-speed serial data exchanges reaching up to 1 Mbps.

Q: What is the primary operational voltage required by the MU-TSTX03 assembly?

A: The assembly operates directly from a 5 VDC regulated power supply rail, drawing less than 0.5 W of continuous operating power.

Field Installation Guidelines

  • Power Interruption: De-energize system power sources to the cabinet before installing, wiring, or removing the terminal module.
  • Cabinet Environment: Mount the assembly inside a clean, dry, protective enclosure (such as a NEMA-rated cabinet) within the -40 to 85 deg C operating range.
  • RS-485 Cabling: Use shielded twisted-pair (STP) cabling for all RS-485 serial communication runs to suppress high-frequency EMI.
  • Shield Grounding: Terminate the cable drain shield securely at a single cabinet signal ground point to preserve signal isolation.
  • Terminal Verification: Inspect screw terminal connectors to confirm secure, tight conductor engagement without wire oxidation prior to applying power.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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