Model Number Explanation

51405045-175

51405: Honeywell Experion PKS Series C I/O Hardware

045: Low-Level Analog Multiplexer (TC/RTD)

175: Standard revision, industrial-grade, conformal coating

Technical Specifications

Input Types: Thermocouple (J/K/T/E/R/S/B/N), RTD (PT100/PT1000, Ni120, Cu10)

Channel Capacity: 16 channels (per module); expandable to 64 points via multiplexing

Resolution: 16-bit (0.01°C for RTD, 0.1°C for TC)

Measurement Ranges:

TC: -200°C ~ +1800°C (type-dependent)

RTD: -200°C ~ +850°C

Accuracy: ±0.05% FS @ 25°C (RTD); ±0.1% FS (TC)

Cold Junction Compensation (CJC): On-board, ±0.1°C accuracy

Diagnostics: Open/short-circuit detection, OTD (Open Thermocouple Detection)

Power: 24 V DC ±10%, 1.0 A (max)

Dimensions (mm): 178 × 79.4 × 127 (standard Series C I/O card)

Weight: Approx. 0.65 kg

Operating Temperature: -40°C ~ +85°C (extended industrial range)

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

Compatibility: Experion PKS C300/C200 controllers, PMIO bus, Control Builder Plus

Interfaces & Configuration

Backplane: PMIO bus slot in Series C I/O chassis, hot-swappable

Front Panel: Status LEDs (PWR, RUN, FAULT, CHANNEL), diagnostic port

Terminals: 16-channel screw terminals (2/3/4-wire RTD, TC connections)

Configuration: Control Builder Plus software; sensor type selection, scaling, CJC setup, fault thresholds

Key Features

Low-Level Signal Handling: Optimized for weak TC/RTD signals with high noise immunity

High-Density Multiplexing: 16 channels per module, reducing rack space and wiring

Multi-Sensor Compatibility: Supports all common TC and RTD types for flexible temperature monitoring

On-Board CJC: Accurate cold junction compensation for thermocouple measurements

Comprehensive Diagnostics: Real-time sensor fault detection and alarm reporting

Extended Temperature Range: Suitable for harsh industrial environments (-40°C to +85°C)

Seamless Integration: Works with Experion PKS C300 controllers and PMIO I/O infrastructure

Applications

Systems: Honeywell Experion PKS C300/C200 DCS (Series C I/O racks)

Typical Setup: 51405045-175 + C300 controller + TC/RTD sensors + FTA terminal board

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

Use Case: Reactor temperature monitoring, furnace/boiler control, pipeline heat tracing, environmental monitoring, turbine temperature sensing

Compatibility & Replacement

Related Modules: CC-PAIH01 (HART analog input), CC-PAIM02 (high-density 32-channel version)

Replacement Model:

51405045-175 (CC-PAIM01): Standard 16-channel low-level analog input module