Technical Specifications

• Part Number: 51304453-100 (51304453100)

• Module Type: MU‑TAIH02, HLAI FTA (High‑Level Analog Input)

• Channel Configuration: 16 × single‑ended analog input channels

• Signal Types: 4–20 mA (current), 1–5 VDC (voltage), 0–10 VDC, ±5 VDC

• Input Impedance: ≥1 MΩ (voltage), 250 Ω (current, internal shunt)

• Isolation: Channel‑to‑backplane 500 VAC rms basic isolation; non‑isolated between channels

• Resolution: 16‑bit per channel

• Accuracy: ±0.1% FS (full scale) at 25°C

• Power Supply: 24 VDC ±10%, 0.3 A (backplane‑powered)

• Operating Temperature: -20°C to +60°C

• Storage Temperature: -40°C to +85°C

• Humidity: 5%–95% RH, non‑condensing

• Dimensions (H×W×D): 270 × 185 × 95 mm (Size C, 18‑inch form factor)

• Weight: ~1.5 kg

• Certifications: UL‑listed, CE‑compliant

• Terminals: Screw‑type (14–24 AWG, field wiring)

• Connectors: UCN 96‑pin edge connector (backplane), STI interface

• Status Indicators: Power LED, fault LED

Interface & Communication Configuration

• DCS Interface: UCN backplane edge connector (1 Mbps, TDC3000/TPS compatible)

• Field Interface: 16‑channel screw terminals (4–20 mA / 1–5 VDC devices)

• STI Interface: System Termination Interface for centralized marshalling

• Diagnostics: On‑board self‑diagnostics with fault reporting via UCN

• Wiring: Accepts 14–24 AWG stranded copper wire

• Redundancy: Supports redundant HLAI IOP (Input/Output Processor)

Core Functions

1. 16‑Channel High‑Level Analog Input: Acquires 4–20 mA/1–5 VDC signals from transmitters, pressure/temperature/flow sensors.

2. Signal Conditioning: Built‑in 250 Ω shunts for current‑to‑voltage conversion; EMI/RFI filtering.

3. STI‑Enabled Marshalling: Integrates with System Termination Interface for simplified, centralized field wiring.

4. Basic Isolation: 500 VAC channel‑to‑backplane isolation protects DCS from field noise and ground loops.

5. High Accuracy & Resolution: 16‑bit resolution with ±0.1% FS accuracy for precise process monitoring.

6. Backplane‑Powered: Eliminates external power supplies; draws power from UCN backplane.

Application Scenarios

• Process Industries: Chemical, petrochemical, power generation, pulp & paper (analog sensor monitoring).

• High‑Level Signal Acquisition: Transmitters (4–20 mA), voltage‑based sensors, and process indicators.

• Legacy DCS Systems: Replacement/expansion for TDC3000/TPS needing 16‑channel HLAI with STI.

• Centralized Marshalling: Plants using Honeywell STI for organized, scalable field wiring.

Compatibility Note

• Form‑factor compatible with Size C UCN FTAs (e.g., 51304446 DO series, 51304451 DO Standby).

• Functionally compatible with Honeywell TDC3000/TPS and Experion PKS (via UCN IOP).

• Key Difference: Optimized for high‑level analog inputs (4–20 mA/1–5 VDC) with STI support, unlike digital FTAs.