Product Details
Product Overview
The Honeywell MC-TAOY25 (51305865-275) functions as a high-performance, 16-channel Analog Output Field Termination Assembly (FTA) specifically designed for the Honeywell Experion PKS and legacy TDC 3000 control environments. This 100% Brand New and original module manages critical control signals for final control elements like control valves and variable speed drives. By integrating native HART protocol support, it enables bi-directional communication, allowing the Distributed Control System (DCS) to perform remote diagnostics and instrument configuration directly through the analog loop.
Technical Specifications
| Feature | Specification Details |
| Manufacturer | Honeywell |
| Model Number | MC-TAOY25 |
| Part Number | 51305865-275 |
| Output Channels | 16 Analog Outputs |
| Protocol | HART-enabled (Highway Addressable Remote Transducer) |
| Mounting | Field Termination Assembly (FTA) compatible |
| Country of Origin | U.S.A. |
| Dimensions | 115 x 75 x 35 mm (approx.) |
| Weight | 0.14 - 0.4 kg |
| Warranty | 12 Months |
Engineering Advantages
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Native HART Integration: The MC-TAOY25 supports HART digital communication superimposed on the 4-20mA signal. This allows maintenance teams to access valve positioner diagnostics, device status, and configuration parameters remotely from the control room, significantly reducing the need for field-side instrument technician deployment.
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Simplified Marshalling Architecture: The module consolidates 16 output channels into a compact FTA footprint. This high-density design optimizes vertical space within marshalling cabinets, solving the common industrial challenge of limited enclosure real estate during system expansions.
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USA-Manufactured Reliability: Built in the United States, this FTA adheres to stringent quality control standards. The ruggedized PCB substrate and high-quality termination points ensure long-term electrical contact integrity, even in the presence of continuous industrial vibration.
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Streamlined Troubleshooting: The FTA architecture provides easy access for multi-meter probing. Engineers can verify loop current and HART signal strength directly at the terminal block, which accelerates the commissioning process and minimizes downtime during emergency maintenance.
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Seamless Legacy Migration: The 51305865-275 maintains mechanical and electrical compatibility with existing Honeywell I/O chassis. This allows for a straightforward upgrade path for facilities looking to add HART capabilities to older non-HART analog output loops without re-wiring the entire cabinet.
FAQs
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What is the advantage of the MC-TAOY25 over non-HART analog output modules?
The MC-TAOY25 allows the system to "speak" to smart field instruments. Beyond simply sending a 4-20mA command, the HART capability enables the DCS to read secondary variables, such as actual valve travel or internal temperature, which provides a deeper level of asset health monitoring.
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Is this module a direct replacement for previous Honeywell AO FTA models?
The 51305865-275 often serves as an upgrade for legacy analog output FTAs. While it maintains physical compatibility, ensure your I/O processors (such as the High-Performance Process Manager or Series C I/O) support HART pass-through to fully utilize the digital diagnostic features.
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Does this unit come with a warranty and certification of origin?
Yes. We supply only 100% Brand New original Honeywell units manufactured in the USA. Every purchase includes a 12-month warranty. Each unit arrives in factory-original packaging with verifiable serial numbers for full asset traceability.
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How do I handle installation to ensure maximum noise immunity for the HART signal?
We recommend utilizing shielded twisted-pair cabling for all 16 channels. Ensure the shield terminates at the marshalling cabinet’s ground bus to prevent electromagnetic interference (EMI) from corrupting the high-frequency HART digital carrier.
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.
Tech & Buying Guide
Understanding PLC Digital Output Types: Relay, Transistor, and Triac Explained
Programmable Logic Controllers (PLCs) form the backbone of modern industrial automation systems. They interface directly with field devices such as solenoid valves, indicator lights, motor starters, and interposing relays. Selecting the correct digital output module ensures high system availability and long hardware service life.
Understanding VFD Mechanical Brake Logic and Control in Industrial Automation
Variable Frequency Drives (VFDs) play a crucial role in modern industrial automation by controlling motor speed, torque, and acceleration. However, high-inertia loads and vertical lifting systems require precise mechanical braking logic to ensure operational safety and prevent equipment damage.
Why Programmable Logic Controllers Drop into Stop Mode: An Expert Analysis
Industrial automation systems rely heavily on Programmable Logic Controllers (PLCs) to maintain uninterrupted production. When a PLC unexpectedly shifts from Run to Stop mode, whole manufacturing lines stall.
As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.