Model Number Explanation

51404203-002

5140: Honeywell DCS Core Hardware Series

42: I/O Subsystem & Interface Control

03: High-Density I/O Processor

002: Standard revision, industrial-grade, dual-port support

Technical Specifications

Processor: 16-bit industrial control processor, real-time OS

I/O Channel Capacity: 32 channels (configurable analog/digital)

Signal Types: Analog (4–20mA, 0–10V), Digital (24VDC dry contact)

Communication: UCN (2 Mbps, redundant), backplane bus

Power: 24 V DC ±10%, 1.2 A (max)

Dimensions (mm): 365 × 128 × 20 (standard TDC3000 full-height card)

Weight: Approx. 0.45 kg

Operating Temperature: -25°C ~ +70°C

Isolation: 1500 V AC (channel-to-backplane)

Compatibility: TDC3000 R500–R610, TPS R100–R120 (HPM/UCN racks)

Interfaces & Configuration

Backplane: Dedicated slot in HPM/UCN chassis, hot-swappable

Front Panel: Status LEDs (PWR, RUN, UCN-A/B, CHANNEL, FAULT), diagnostic port

Terminals: 32-channel screw terminals (field wiring), D-sub for UCN

Configuration: TPS System Software; channel mapping, signal type, scaling, fault thresholds

Key Features

UCN-I/O Gateway: Bridges UCN network and field I/O, enabling seamless data exchange

High-Density Design: 32 channels per module, reducing rack space and wiring complexity

Redundant Communication: Supports dual UCN ports for fault-tolerant operation

On-Board Diagnostics: Real-time channel monitoring, short-circuit/overvoltage detection, alarm reporting

Signal Isolation: Galvanic isolation between field and system to suppress EMI/RFI

Seamless Integration: Works with HPM controllers, UCN network, LCN nodes, and Experion PKS

Applications

Systems: Honeywell TDC3000, TPS (HPM/UCN I/O Racks)

Typical Setup: 51404203-002 + HPM controller + analog/digital I/O modules

Industries: Oil & gas, petrochemical, power generation, pulp & paper, pharmaceuticals

Use Case: Field signal acquisition, valve/motor control, alarm monitoring, process data logging

Compatibility & Replacement

Related Modules: 51404203-001 (basic version), 51404203-003 (enhanced diagnostics), HPM power supplies

Replacement Model:

51404203-002: Standard 32-channel I/O control module

51404203-003: Extended temperature (-40°C ~ +85°C) and diagnostics