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- MC-TAOX02 51304476-175
- Analog Output Board
- USA
- 175 x 22 x 150 mm
- 0.2 kg
- Xiamen, China
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Product Overview
The Honeywell MC-TAOX02 (Part No. 51304476-175) is an analog output Field Termination Assembly (FTA) / output interface board used in Honeywell Experion PKS and Series C I/O architectures.
It is designed to convert control system output signals into standard analog field outputs, typically used for driving final control elements such as control valves, actuators, positioners, and variable-speed drives. The module provides a structured and protected interface between the control system and field devices.
This board is part of Honeywell’s analog output termination family, ensuring accurate signal delivery and stable process control execution.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | MC-TAOX02 |
| Part Number | 51304476-175 |
| Product Type | Analog Output Board (FTA) |
| System Series | Experion PKS / Series C I/O architecture |
| Output Channels | 8 analog output channels |
| Output Signal Type | Typically 4–20 mA analog output |
| Signal Direction | Control system → field devices |
| Wiring Type | Screw-clamp or compression terminal wiring |
| Signal Conditioning | Output buffering and protection circuitry |
| Isolation | Channel/system isolation (system dependent) |
| Diagnostics | Channel status monitoring and fault detection |
| Compatibility | MC/MU series I/O processors |
| Redundancy Support | Supported in system-level redundant configurations |
| Operating Environment | Industrial control systems |
| Operating Temperature | -40°C to +85°C (industrial-grade range) |
| Dimensions | 175 × 22 × 150 mm |
| Weight | 0.2 kg |
Function and Working Principle
The MC-TAOX02 functions as a precision analog signal output interface between the control system and field devices.
It is responsible for:
- Receiving control signals from I/O processors (MC/MU series)
- Converting digital control commands into analog output signals
- Generating stable 4–20 mA control outputs
- Driving field actuators such as valves and positioners
- Providing electrical isolation and protection for output circuits
- Ensuring accurate and stable process control response
It does not perform control logic; it executes analog output commands from the controller.
System Role in Architecture
The Honeywell MC-TAOX02 plays a field execution role in process control systems.
It is typically used for:
- Control valve positioning systems
- Flow and pressure regulation loops
- Actuator and damper control
- Variable-speed drive reference signals
- Continuous process control applications
It acts as the final analog signal interface between DCS logic and field actuators.
Industrial Applications
- Oil and gas production systems
- Petrochemical and refinery plants
- Power generation facilities
- Chemical process industries
- Water and wastewater treatment systems
- Industrial automation and control systems
Installation & Integration
Proper installation ensures stable control performance:
- Installed in Experion PKS control cabinets
- Connected to MC/MU series I/O processors
- Interfaces with analog field actuators (valves, drives)
- Requires proper grounding and shielding for analog circuits
- Configured using Honeywell system engineering tools
- Commissioned as part of closed-loop control systems
Compatible Components
- Honeywell Experion PKS controllers
- MC/MU series I/O processors
- Control valves and valve positioners
- Variable frequency drives (VFDs)
- Field termination assemblies (FTAs)
- Analog output conditioning modules
Recommended Alternative Models
| Model | Type | Application |
|---|---|---|
| MC-TAOX03 | Analog output module | Updated variant |
| MC-TAOX12 | Alternate AO module | Different channel configuration |
| MC-TAOH series | HART-enabled AO modules | Smart device support |
| Universal output modules | Flexible modern systems | Multi-signal platforms |
| Remote AO modules | Distributed control systems | Network-based architectures |
Key Advantages
- Reliable 8-channel analog output control
- Stable 4–20 mA signal generation
- Strong industrial noise immunity
- Compact and lightweight FTA design
- Compatible with Honeywell Experion PKS systems
- Accurate process control execution
- Long-term industrial reliability
FAQs
Q1: What is the main function of this module?
It generates analog output signals for controlling field devices.
Q2: What type of signals does it output?
Typically 4–20 mA analog signals.
Q3: Does it perform control logic?
No, it only executes control commands from the system.
Q4: What devices does it control?
Control valves, actuators, and variable-speed drives.
Q5: Where is it used?
In Honeywell Experion PKS distributed control systems.
Conclusion
The Honeywell MC-TAOX02 (51304476-175) Analog Output Board is a critical execution component in Honeywell DCS architectures. It provides accurate and stable analog output signals for industrial process control, ensuring reliable operation of actuators and final control elements in complex automation environments.