Product Overview

The Honeywell MC-PAIH03 (Part Number 51304754-176) is a high-density, 16-channel analog input processor engineered for the legacy Universal Control Network (UCN) within the Experion and TDC 3000 ecosystems. This "High-Level" module is specifically designed to interface with powered industrial transmitters, providing a high-integrity gateway for translating field-side analog signals into digital data for the controller.

Equipped with 16 differential input channels, the MC-PAIH03 excels at maintaining signal purity in electrically noisy environments. The module features a high-resolution 16-bit analog-to-digital (A/D) converter and advanced noise filtering to ensure that critical process variables are recorded with clinical accuracy. To ensure longevity in corrosive or humid industrial atmospheres, the PCB is protected by a professional-grade conformal coating, meeting G3 harsh environment standards.

Key Hardware Parameters

The MC-PAIH03 is defined by its superior rejection of electrical interference and its broad compatibility with standard Field Termination Assemblies (FTAs).

• Channel Configuration: 16 Differential Analog Inputs

• Input Range Support: 1-5 VDC, 0-5 VDC, 0.4-2 VDC, and 4-20 mA (utilizing a standard 250Ω precision resistor)

• Conversion Precision: 16-bit A/D resolution

• Noise Suppression: 70 dB common-mode rejection and 32 dB normal-mode rejection (at 60 Hz)

• Input Impedance: Superior >10 MΩ to prevent signal loading

• Crosstalk Protection: 60 dB channel-to-channel rejection

• Environmental Protection: Conformal coated electronics for chemical/moisture resistance

• FTA Compatibility: Fully supports MU-TAIH02, TAIH12, and TAIH53 termination assemblies

• Weight: 0.4 kg

• Dimensions: 7 x 14 x 14.5 cm

• Manufacturing Origin: USA

Industrial Applications

The robust signal acquisition capabilities of the MC-PAIH03 make it a vital component in sectors requiring high-reliability monitoring:

• Petrochemical Refining: Monitoring sensitive pressure and temperature transmitters in explosive zones via isolated differential inputs.

• Chemical Processing: Tracking flow rates and vessel levels where signal accuracy directly impacts batch quality and chemical dosing precision.

• Power Generation: Interfacing with turbine telemetry and boiler sensors where high noise immunity is required due to proximity to heavy electrical machinery.

• Legacy System Maintenance: Serving as a critical replacement part for aging TDC 3000 or Experion UCN architectures to extend the service life of existing control infrastructure.

• Water and Wastewater: Centralizing data from distributed flow meters and analytical sensors over long field cable runs.