Product Details
Product Overview
The Honeywell MC-TAMT04 51305890-175 serves as a high-density Low Level Input Multiplexer (LL MUX) Field Termination Assembly (FTA) for the Honeywell Experion PKS and legacy TDC 3000 systems. This 100% Brand New and original module aggregates multiple low-level signals—primarily from thermocouples and millivolt transmitters—into the control processor. It functions as the critical physical interface that ensures signal integrity for the system's most sensitive process variables.
Technical Specifications
| Feature | Specification |
| Manufacturer | Honeywell |
| Model Number | MC-TAMT04 |
| Part Number | 51305890-175 |
| Module Type | Low Level Input Multiplexer (LL MUX) |
| Input Signal Compatibility | Thermocouple (TC) / Millivolt (mV) |
| Country of Origin | U.S.A. |
| Dimensions | 15 cm x 30 cm x 6 cm |
| Weight | 0.85 kg |
| HS Code | 85389091 |
Engineering Advantages
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Optimized Signal Marshalling: The MC-TAMT04 consolidates up to 32 low-level inputs into a streamlined architecture. This design significantly reduces the physical footprint within marshalling cabinets and lowers overall wiring costs by eliminating redundant terminal strips.
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Superior EMI/RFI Mitigation: Because millivolt signals remain highly susceptible to electrical noise, this module incorporates high-grade shielding and specialized grounding traces. These features reject common-mode interference from nearby high-voltage switchgear and variable frequency drives (VFDs).
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High-Precision Cold Junction Compensation: The FTA design integrates precise cold junction reference points. This ensures the system calculates the exact process temperature by correcting for ambient thermal fluctuations at the termination point.
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Simplified Field Troubleshooting: The module utilizes a logical terminal layout that facilitates rapid probe testing. Maintenance teams can diagnose sensor failures without disrupting the primary signal path to the I/O processor.
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Long-Term Environmental Resilience: Engineered for the U.S. industrial market, the board features a ruggedized coating that resists oxidation. This protects the sensitive multiplexing circuitry from the corrosive gases often found in chemical refineries and offshore platforms.
FAQs
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How does the MC-TAMT04 handle thermocouple linearization?
The module passes the raw millivolt signal to the I/O processor. The Honeywell Experion software then performs the specific linearization based on the thermocouple type (K, J, T, etc.) configured in the control strategy.
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Can I replace an older MC-TAMT03 with this MC-TAMT04 model?
The MC-TAMT04 generally functions as an enhanced replacement for earlier LL MUX iterations. However, always verify your current backplane compatibility and firmware revision to ensure a seamless "plug-and-play" transition.
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What precautions should I take during installation?
Maintain strict ESD (Electrostatic Discharge) protocols when handling the module. Ensure all field wiring utilizes shielded twisted-pair cables to preserve the low-level signal accuracy from the sensor to the multiplexer terminals.
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Is this a genuine, factory-sealed unit?
Yes. We provide the 51305890-175 in its 100% Brand New original state. Each unit carries the official Honeywell label and serial number, guaranteeing full compliance with factory performance specifications.
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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