Honeywell 51204170125 Product Detailed Description

Product Model: 51204170125 (Standard Number: 51204170-125)

Brand: Honeywell

Product Category: UCN Advanced Analog Input FTA Module (HLAI/STI FTA, CE Certified Enhanced Redundancy Version)

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

I. Product Overview

51204170125 is the EU CE-certified version of 51204170100, belonging to the UCN system's advanced analog input field terminal module (High Level Analog Input / Self-Test Interface Field Termination Assembly). Its core function is the high-precision acquisition, electrical isolation, redundant transmission, and self-diagnosis of industrial field standard analog signals. It is specifically designed to meet the safety, electromagnetic compatibility (EMC), and environmental protection (RoHS) compliance requirements of the EU market, and is widely used in high-reliability control scenarios in European and export-to-EU process industries such as petrochemicals, power, and metallurgy.

II. Core Specification Parameters

1. Signal Specifications

Input Type: Standard High-Level Analog (4–20 mA / 1–5 V DC)

Channel Number: 16 isolated input channels (standard configuration of the series)

Accuracy: ±0.1% Full Scale (FS) @ 25°C

Isolation: Channel - System-to-System Electrical Isolation (≥ 1500 V AC)

Common Mode Suppression Ratio: > 100 dB (50/60 Hz)

Response Time: < 100 ms

Resolution: 16-bit A/D Conversion

2. Electrical Parameters

Operating Power Supply: 24 V DC (system backplane power supply)

Power Consumption: ≤ 3 W

Overload Protection: Input Overcurrent / Overvoltage Automatic Protection (Class 1, Div 2 Nonflammable)

Grounding Requirements: Independent Safety Grounding (Compliant with CE Grounding Specifications)

3. Environmental Parameters

Operating Temperature: -40°C ～ +70°C

Storage Temperature: -55°C ～ +85°C

Humidity: 5% ～ 95% RH (Non-condensing)

Protection Grade: IP20 (Installed in the cabinet)

Vibration / Shock: Compliant with IEC 60068, EN 60068 Standards

EMC Compatibility: Compliant with EN 61326, EN 61000-4 Series Standards

4. Physical Characteristics

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

Weight: Approximately 0.5 kg

Installation: UCN Rack Hot Swap

Interfaces: Front Terminal Connectors + Backplane Bus Interface

5. Certification Markings

CE Certification: Compliant with EU Low Voltage Directive (LVD), Electromagnetic Compatibility Directive (EMC)

RoHS Compliance: Lead-free, cadmium-free, etc., no harmful substances

ATEX Certification: Optional (Some Versions Support Applications in Hazardous Areas)

III. Functional Features (Core Differences from 51204170100)

1. Compliance Enhancement (Core Differences)

CE Full Certification: Certified by EU LVD, EMC Directive, allowing direct sale and use in the EU market

RoHS Environmentally Friendly: Components comply with EU environmental standards, no restrictions on heavy metal substances

EMC Optimization: Enhanced anti-electromagnetic interference and radiation suppression, suitable for European industrial power grid environment

2. Redundancy and Reliability Dual-channel redundancy: Automatic and uninterrupted switching in case of module failure, switching time < 50 ms

Self-diagnosis (STI): Real-time monitoring of channel disconnection, short circuit, over-limit, and module failure, with LED status indication

MTBF: > 12 million hours (higher than standard version 51204170100)

3. Signal processing

High-precision acquisition: Dual signal compatibility for 4–20 mA/1–5 V DC, ±0.1% FS accuracy

Fully isolated design: Electrical isolation between channels and between channels and the system, suppressing on-site interference

Signal filtering: Built-in 50/60 Hz power frequency filtering, compatible with European grid frequency

4. Compatibility

Fully compatible: TDC 3000, TPS, UCN systems, can directly replace 51204170100

Hot-swappable: Supports online replacement without affecting system operation

Replacement upgrade: Can seamlessly replace non-CE version 51204170100 without rewiring

Four. Model Comparison (51204170 Series) Table

Model Version Core Differences Applicable Scenarios

51204170-100 Standard Version Not CE, Basic Redundancy Universal worldwide, non-EU projects

51204170-125 CE Enhanced Version CE/RoHS/EMC Certification For EU and EU export projects

51204170-150 Basic Version Non-redundant, No STI General monitoring, non-critical circuits

V. Typical Applications

European Petrochemical: Reactor temperature / pressure monitoring, distillation tower flow control

EU Power: Boiler drum liquid level, steam pressure collection

European Metallurgy: Blast furnace temperature, furnace pressure signal connection

EU Water Treatment: pH value, flow, liquid level monitoring

Export EU Equipment: Compatible with overseas project DCS system

VI. Installation and Maintenance Tips

Installation: 19" standard cabinet, vertical installation, ensure ventilation (in line with CE heat dissipation requirements)

Wiring: Signal positive and negative poles distinction, shield layer single-ended grounding (in accordance with EU grounding specifications)

Calibration: Annual accuracy calibration, in line with EU measurement standards

Fault: Quickly locate channel / module faults through LED status lights

VII. Product Status

Type: DCS System I/O Module (Spares)

Production Status:停产 (legacy spares)

Supply： Mainly in stock， refurbished， original second-hand spares

Replacement： Can be replaced by Honeywell Experion PKS C300 system corresponding to CE-certified module

VIII. Model Code Interpretation (51204170-125)

512： Honeywell DCS spare prefix

04170： HLAI Advanced Analog Input FTA Series

-125： CE certification， enhanced redundancy， RoHS compliance Version Number