The Honeywell 51304453-100 is the MU-TAIH02 High Level Analog Input Field Termination Assembly (FTA) used in Honeywell control-system applications. It provides up to 16 high-level analog input channels and interfaces field voltage/current signals with the associated Honeywell I/O electronics. The exact part is identified by technical references as an HLAI/STI FTA with compression terminals.
The unit supports configurable single-ended or differential analog inputs relative to logic ground. Typical signals include 0–5 V, 1–5 V, 0.4–2 V, and 4–20 mA through a 250 Ω conversion resistor.
Main Function
The 51304453-100 acts as the field termination/interface point for high-level analog signals. It is suitable for connecting transmitters and other analog instruments to Honeywell control-system I/O.
A typical signal path is:
Field Transmitter → 51304453-100 HLAI FTA → Honeywell I/O Processor → DCS Controller
The unit does not support redundant IOPs, according to the available technical specification.
Product Datasheet
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Part Number | 51304453-100 |
| Model | MU-TAIH02 |
| Product Type | High Level Analog Input FTA |
| Function | Analog Signal Termination / Interface |
| Number of Inputs | 16 |
| Input Configuration | Single-ended or Differential |
| Voltage Inputs | 0–5 V, 1–5 V, 0.4–2 V |
| Current Input | 4–20 mA via 250 Ω |
| A/D Resolution | 16-bit converter, 14 bits used |
| Input Impedance | >10 MΩ for voltage inputs |
| Maximum Input Voltage | ±30 V |
| Common Mode Rejection | 70 dB |
| Normal Mode Rejection | 32 dB @ 60 Hz |
| Input Scan Rate | 4 samples/channel/second |
| Normal Mode Filter | Single-pole RC, -3 dB @ 1 Hz |
| Accuracy | ±0.075% FS @ 23.5°C ±2°C |
| Temperature Accuracy | ±0.15% FS, 0–50°C |
| Transmitter Power Conditioning | 145 Ω current-limited |
| Termination | Compression |
| Redundancy | Not supported |
| FTA Size | Size A, approximately 6 in / 152 mm |
| Conformal Coating | Non-conformal coated |
| Application | Honeywell DCS / Process Control |
The electrical specifications above are reported for the exact MU-TAIH02 / 51304453-100 assembly.
Key Features
- 16-channel high-level analog input interface
- Supports voltage and current signals
- Single-ended or differential input configuration
- 4–20 mA support through 250 Ω conversion
- High input impedance for voltage signals
- 16-bit A/D converter architecture
- 70 dB common-mode rejection
- Compression-terminal construction
- Designed for Honeywell control-system installations
- Suitable for legacy-system replacement and spare inventory
Typical Applications
- Process measurement
- Oil & gas facilities
- Chemical processing
- Refining
- Power generation
- Water treatment
- Industrial instrumentation
- Pressure, flow, temperature and level transmitters
- Honeywell DCS analog signal acquisition
Installation & Configuration
Before installation, verify the complete part number 51304453-100, model MU-TAIH02, terminal style, and the connected Honeywell I/O hardware.
Recommended procedure:
- Isolate the associated control-system power.
- Verify the FTA part number and terminal configuration.
- Check field transmitter signal type.
- Confirm 0–5 V, 1–5 V, 0.4–2 V, or 4–20 mA configuration.
- Verify single-ended/differential wiring.
- Check transmitter loop power requirements.
- Connect field wiring according to the system drawings.
- Verify channel scaling in the Honeywell configuration.
- Apply power and check I/O diagnostics.
- Compare displayed values with the field instrument.
- Test each active channel.
- Record the final channel configuration.
Compatibility Notes
One important point for procurement: 51304453-100 is an FTA/termination assembly rather than a standalone high-level analog I/O processor. The associated Honeywell I/O processor and system configuration must therefore be checked before replacement.
The available specification also identifies this particular version as non-CE compliant, non-conformal coated, compression-terminal, and without redundant IOP support.
The eBay listing you provided identifies the item as Honeywell 51304453-100 High Level Analog Input and lists it as New – Open Box.
Product Identification
Brand: Honeywell
Part Number: 51304453-100
Model: MU-TAIH02
Product Type: High Level Analog Input FTA
Channels: 16
Input Types: Voltage / Current
Main Signals: 0–5 V, 1–5 V, 0.4–2 V, 4–20 mA
Terminal Type: Compression
Application: Honeywell DCS Process Control
