Product Details
Product Description
The MC-TAOX12 (51304441-175) is a robust Field Termination Assembly (FTA) designed to serve as the physical interface between Honeywell high-level analog output processors and field-mounted equipment. Supporting 16 independent channels, this assembly is engineered for the HPM (High-Performance Process Manager), TDC 3000, and Experion PKS environments. Its primary role is the precise distribution of 4–20 mA control signals to critical actuators and valves. Built for mission-critical reliability, the MC-TAOX12 facilitates redundant I/O configurations, ensuring that process control remains uninterrupted even during processor failover or maintenance procedures.
Technical Specifications
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Model Identification: MC-TAOX12
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Part Number: 51304441-175
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Functional Type: Analog Output Field Termination Assembly (FTA)
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Channel Density: 16 Isolated Signal Paths
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Signal Protocol: 4–20 mA DC Current Loop
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Architecture Support: Honeywell HPM, TDC 3000, and Experion PKS
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Redundancy Capability: Supports dual I/O Link cable connections for redundant processors
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Termination Method: Compression-style screw terminals for secure field wiring
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Operating Voltage: 24V DC Nominal
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Protective Coating: Conformal coating for moisture and corrosion resistance
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Form Factor: Standard 6-inch FTA profile for cabinet mounting
Industrial Application Scenarios
The MC-TAOX12 (51304441-175) is the industry standard for driving final control elements in heavy industrial sectors. It is frequently utilized for:
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Managing 4–20 mA modulating control valves in high-pressure steam or chemical loops.
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Transmitting precise speed setpoints to Variable Frequency Drives (VFDs) for pump control.
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Interfacing with I/P (Current-to-Pressure) transducers for pneumatic instrumentation.
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Serving as a reliable replacement during legacy TDC 3000 to Experion PKS system migrations.
Frequently Asked Questions
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What differentiates the MC-TAOX12 from the MU-TAOX12?
The MC-TAOX12 features a conformal coating on the PCB, providing essential protection against humidity and atmospheric contaminants. The MU-prefix version is non-coated and intended for strictly controlled environments. Both share the same 51304441-175 functional circuitry.
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Are precision input resistors integrated into this board?
No. Unlike analog input boards (HLAI) that require 250-ohm resistors to convert current to voltage, the MC-TAOX12 is an output device designed solely to drive current loops for field actuation.
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 Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.