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- Honeywell
- MC-TAIH03 51309136-175
- High-Level Analog Input Module
- USA
- 260 × 25 × 175 mm
- 0.29 kg
- Xiamen, China
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Product Overview
The Honeywell MC-TAIH03 (Part No. 51309136-175) is a high-level analog input module / field termination assembly (FTA) used in Honeywell Experion PKS and related distributed control systems (DCS).
It is designed to accept and condition multiple high-level analog signals (typically 4–20 mA process signals) from field instruments such as pressure transmitters, temperature transmitters, and flow sensors. The module then transmits conditioned signals to the control system for processing.
This device is commonly used in process automation, refinery control, and safety-related industrial monitoring systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | MC-TAIH03 |
| Part Number | 51309136-175 |
| Product Type | High-Level Analog Input Module (FTA) |
| System Series | Experion PKS / Series C I/O architecture |
| Input Channels | 16 analog input channels |
| Input Type | High-level analog (typically 4–20 mA) |
| Configuration | Single-ended or differential (system dependent) |
| Signal Conditioning | Built-in current handling and protection circuitry |
| Input Range | Process instrumentation signals (4–20 mA standard) |
| Isolation | Channel-to-system isolation (system dependent design) |
| Wiring Type | Compression / terminal-based field wiring |
| Diagnostics | Channel and module-level status monitoring |
| Power Handling | Loop-powered transmitter support (system dependent) |
| Installation Type | Field termination assembly (FTA) mounted in cabinet |
| Operating Environment | Industrial automation systems |
| Operating Temperature | Industrial-grade range (typical -20°C to +70°C) |
| Dimensions | 260 × 25 × 175 mm |
| Weight | 0.29 kg |
Function and Working Principle
The MC-TAIH03 functions as a signal interface between field analog instruments and the DCS system.
It is responsible for:
- Receiving 4–20 mA signals from field transmitters
- Providing signal termination and protection
- Conditioning analog inputs for DCS processing
- Transferring signals to control system I/O processors
- Supporting high-density analog input acquisition
- Ensuring signal stability in electrically noisy environments
It does not perform control logic; it ensures accurate and reliable signal acquisition.
System Role in Architecture
The Honeywell MC-TAIH03 plays a front-end signal acquisition role in industrial control systems.
It is typically used for:
- Process variable monitoring (pressure, flow, temperature)
- Refinery and petrochemical control loops
- Power plant instrumentation systems
- Safety monitoring and interlock systems
- Distributed analog signal acquisition systems
It acts as the physical interface between field transmitters and the DCS controller system.
Industrial Applications
- Oil and gas production facilities
- Petrochemical and refining plants
- Power generation stations
- Water and wastewater treatment systems
- Chemical processing industries
- Industrial automation and monitoring systems
Installation & Integration
Proper installation ensures accurate signal performance:
- Installed inside DCS control cabinets
- Connected to field transmitters via analog wiring
- Interfaces with Honeywell I/O processors (e.g., MU/MC series)
- Requires proper grounding and shielding for analog signals
- Configured through Experion PKS or system engineering tools
- Used with loop-powered or externally powered transmitters
Compatible Components
- Honeywell Experion PKS controllers
- Series C I/O processors (e.g., MU-PAIH03, MC-PAIH03)
- Field transmitters (4–20 mA devices)
- Field termination assemblies (FTAs)
- Analog signal conditioning modules
- DCS backplane and communication modules
Recommended Alternative Models
| Model | Type | Application |
|---|---|---|
| MC-TAIH01 | Analog input FTA | Lower channel variant |
| MC-TAIH02 | Analog input module | Alternative configuration |
| Honeywell UIO modules | Universal I/O | Flexible modern systems |
| Remote analog I/O modules | Distributed systems | Network-based architecture |
| PLC analog input cards | Generic replacement | Standard automation systems |
Key Advantages
- High-density 16-channel analog input support
- Reliable 4–20 mA signal handling
- Strong industrial noise immunity
- Compact FTA design for control cabinets
- Seamless integration with Honeywell DCS systems
- Suitable for continuous industrial monitoring
- Stable long-term operation in harsh environments
FAQs
Q1: What is the main function of this module?
It receives and conditions analog signals from field instruments.
Q2: What type of signals does it support?
Primarily 4–20 mA high-level analog signals.
Q3: Does it perform control logic?
No, it only handles signal acquisition and transmission.
Q4: How many channels does it support?
Typically 16 analog input channels.
Q5: Where is it used?
In Honeywell Experion PKS and industrial DCS systems.
Conclusion
The Honeywell MC-TAIH03 (51309136-175) High-Level Analog Input Module is a critical signal interface component in Honeywell DCS architectures. It provides reliable acquisition and conditioning of industrial analog process signals, ensuring accurate monitoring and stable control system performance in demanding industrial environments.