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SKU: MC-TAOY22 51204172-175

Honeywell MC-TAOY22 51204172-175 Analog Output Field Termination Assembly

The Honeywell MC-TAOY22 51204172-175 is a 16-channel Analog Output Field Termination Assembly (FTA). It secures 4-20mA control signals for valves and actuators within TDC 3000 and Experion PKS systems, offering high-density termination and robust electrical isolation.

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Product Overview

Honeywell’s MC-TAOY22 (Part Number 51204172-175) functions as a high-density Analog Output Field Termination Assembly (FTA) for TDC 3000 and Experion PKS control architectures. This module provides 16 dedicated physical connection points that facilitate the transmission of control signals from the Analog Output Processor to field-mounted hardware. By maintaining strict electrical separation and precise signal routing, the MC-TAOY22 preserves the integrity of 4-20mA control loops. Consequently, the module ensures reliable process modulation across various industrial automation environments.

Technical Specifications

  • Manufacturer: Honeywell
  • Model Number: MC-TAOY22
  • Part Number: 51204172-175
  • Module Type: Analog Output Field Termination Assembly (FTA)
  • Output Capacity: 16 Independent Channels
  • Signal Format: 4-20mA DC Analog
  • Voltage Range: 15-30 Vdc
  • Physical Weight: 0.4 kg
  • Product Dimensions: 30.6 cm x 12.0 cm x 5.0 cm
  • System Environment: DCS / UCN / Experion PKS
  • Origin: USA

Core Functionality and Applications

Industrial automation systems rely on the MC-TAOY22 to execute precise mechanical adjustments at the field level. The module receives digital commands from the controller and converts them into stabilized analog currents to drive field instruments. Because it supports standard industrial voltage ranges, it interfaces seamlessly with a broad spectrum of global hardware. Operators utilize this module in the following areas:

  • Actuator Control: Regulating the precise movement of pneumatic and electric actuators.
  • Valve Modulation: Managing the opening and closing percentages of control valves in chemical or oil loops.
  • Variable Speed Drives: Sending setpoint frequency signals to VFDs to control large industrial motors.
  • Dampener Positioning: Adjusting air and gas flow dampeners in power plant furnace systems.

Key Technical Characteristics

  • 16-Channel High-Density Interface: The board manages 16 separate output signals, which effectively minimizes the hardware footprint within the I/O cabinet.
  • Advanced Signal Isolation: The architecture isolates the DCS backplane from field-side electrical noise and ground loops to prevent system-wide interference.
  • Rugged Industrial Build: Honeywell utilizes high-grade components that withstand the high temperatures and vibrations common in refineries and manufacturing plants.
  • Simplified Field Wiring: The module features clearly labeled screw terminals, allowing technicians to perform faster installations and more accurate diagnostic testing.
  • Legacy System Support: This FTA extends the life of older TDC 3000 infrastructures by providing a reliable replacement path for aging termination hardware.
  • Plug-and-Play Compatibility: The unit synchronizes immediately with the Analog Output Processor, reducing the time required for system commissioning or hardware swaps.
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