Honeywell 51204172175 Product Detailed Description

Product Model: 51204172175 (Standard Number: 51204172-175)

Brand: Honeywell

Product Category: UCN Advanced Analog Output FTA Module (HLAO FTA, Enhanced Non-Redundant / High Performance Version)

Applicable Systems: Honeywell TDC 3000 / TPS / UCN Distributed Control System (DCS) 

I. Product Overview

51204172175 is an enhanced non-redundant high-performance version of the 51204172 advanced analog output series of Honeywell UCN system. It retains the single-channel non-redundant design from the base version (51204172150), but comprehensively enhances accuracy, drive capability, signal isolation, anti-interference, and environmental adaptability. It is specifically designed for industrial scenarios with harsh conditions and high requirements for output stability, suitable for complex field environments such as high temperature, high humidity, high electromagnetic interference, and long-distance signal transmission.

II. Core Specification Parameters

1. Signal Specifications

Output Type: Standard High-Level Analog Quantity (4–20 mA DC, two-wire / four-wire compatible)

Number of Channels: 8 Independent Outputs (Non-redundant, single-channel operation)

Accuracy: ±0.075% Full Scale (FS) @ 25°C (Higher than 100/125/150 versions ±0.1% FS)

Resolution: 16-bit D/A Conversion (Higher than the base version 12-bit)

Drive Capacity: Maximum 750 Ω Load (Standard 250 Ω, compatible with long-distance transmission)

Electrical Isolation: Channel - System ≥ 2000 V AC (Higher than the standard version 1500 V AC)

Common Mode Suppression Ratio: > 110 dB (50/60 Hz)

Response Time: < 100 ms (Faster Output Response)

Output Protection: Short Circuit Protection, Overcurrent (±30 mA), Overvoltage (±30 V), Reverse Connection Protection

2. Electrical Parameters

Power Supply: 24 V DC (Backplane single-channel power supply, non-redundant)

Power Consumption: ≤ 3.5 W

Surge Suppression: Built-in TVS Diodes, Compliant with IEC 61000-4-5 Standard

Grounding: Independent Safety Grounding, Anti-interference Design

3. Environmental Parameters (Enhanced Version)

Operating Temperature: -40°C ～ +75°C (Wide Temperature Expansion, Higher than the standard version -20°C～+60°C)

Storage Temperature: -55°C ～ +85°C

Humidity: 5% ～ 95% RH (Non-condensation, Corrosion-resistant)

Protection: PCB Board Three-Defense Coating (Anti-moisture, Anti-salt fog, Anti-mold)

Vibration / Impact: IEC 60068-2-6 (Vibration), IEC 60068-2-27 (Impact)

EMC: FCC Part 15 Class A, Enhanced Anti-Radio Frequency Interference

4. Physical Characteristics

Size: Standard UCN Card (300 mm × 100 mm × 20 mm)

Weight: Approximately 0.48 kg

Installation: UCN Rack, Hot Swap

Interface: Front Spring-Type Terminal (Temperature Resistant) + Backplane Bus Interface

5. Certification

Certification: No CE/RoHS (Not for EU)

Compliance: FCC Class A, UL Standards, Industrial Class 4 Electromagnetic Compatibility

III. Functional Characteristics (Enhanced Core Advantages)

1. Non-redundant High-performance Architecture

Non-redundant Design: Single-channel Independent Operation, No Master-Slave Switching (Same as 150 Version)

High Precision Output: ±0.075% FS, 16-bit Resolution, More Stable Output, Smaller Error

Strong Drive Capacity: 750 Ω Load, Supports 1km+ 4–20 mA Signal Long-Distance Transmission

High Isolation Protection: 2000 V AC Isolation, Effectively Suppresses Strong Field Interference in the Field

Status Indicators: PWR (Power), RUN (Operation), FAULT (Fault), CHx (Channel Abnormal) LED

2. Diagnosis and Monitoring (Enhanced Version) 

Channel Diagnosis: Supports Open Circuit, Short Circuit, Overlimit, Output Drift Monitoring Online Calibration: Supports online accuracy calibration of the system without requiring downtime

Fault Alarm: Abnormal conditions actively report alarms to the system controller

No STI Self-Test: Different from the redundant version (100/125), there is no complete system self-diagnosis

3. Compatibility and Interchangeability

System Compatibility: Fully compatible with TDC 3000 / TPS / UCN

Hardware Interchange: Can directly replace 51204172100/125/150, no need to reroute

Non-redundant: Hardware is fixed in non-redundant mode, cannot be upgraded to the redundant version

4. Adaptability to Harsh Operating Conditions

Wide Temperature Operation: -40°C to +75°C, suitable for extreme temperature environments

Three-Defense Coating: PCB moisture-proof, salt fog-proof, corrosion-proof, specially designed for marine/chemical/metallurgical applications

Strong Anti-interference: High isolation, high common-mode suppression, suitable for high-interference areas such as variable frequency, high-power motors

5. Comparison of 51204172 Series Models Table

Model Version Retention Precision Isolation Wide Temperature / Three Protection Channels Applicable Scenarios

51204172-100 Standard Redundancy ✅ Dual Channel ±0.1% FS 1500 V AC Standard 8 Channels Globally Critical Interlock Circuit

51204172-125 CE Redundancy ✅ Dual Channel ±0.1% FS 1500 V AC Standard 8 Channels EU Export Critical Control

51204172-150 Basic Non-Redundancy ❌ None ±0.1% FS 1500 V AC Standard 8 Channels Economic Type Conventional Output

51204172-175 Enhanced Non-Redundancy ❌ None ±0.075% FS 2000 V AC ✅ Wide Temperature + Three Protection 8 Channels Demanding Operating Conditions High Precision Output

V. Typical Applications

Offshore Platform: Oil and Gas Process Control Valves, Actuator Control (Salt Spray, High Humidity)

Chemical / Metallurgy: High Temperature, High Corrosion Process Signal Output (Three Protection Coating)

Long Distance Transmission: Perimeter of Factory, Remote Actuator 4–20 mA Signal Drive

High Interference Scenarios: Frequency Conversion Equipment, High Power Motor Area Stable Output

Extreme Temperature: Cold Storage, High Temperature Kiln Surroundings Non-Interlock Control

High Precision Regulation: Precise Flow, Pressure, Temperature Closed Loop Control

VI. Usage and Maintenance Tips

Installation: Standard cabinet vertical installation, ensure ventilation (wide temperature design does not require additional temperature control)

Connection: Shielded Cable Single End Grounding, distinguish signal positive and negative poles

Calibration: It is recommended to calibrate the precision every 1–2 years (higher calibration requirements for high-precision version)

Fault: Non-redundant design, faults need to be replaced offline, no automatic switching

VII. Product Status

Type: DCS System I/O Output Module (Spares)

Production Status:停产 (legacy spares)

Supply： Original Inventory， Refurbished， Second-hand Spares Predominantly

Replacement： Can be upgraded to the new Experion PKS C300 Output Module

VIII. Model Code Interpretation (51204172-175)

512： Honeywell DCS Spare Prefix

04172： HLAO Advanced Analog Output FTA Series

-175： Enhanced Non-Redundancy， High Precision， High Isolation， Wide Temperature Three Protection Version Identifier