HONEYWELL 8C-PAIHA1 51454470-275 Analog Input Module with HART

The Honeywell 8C-PAIHA1 (Part No. 51454470-275) is a high-density Analog Input module designed for the Honeywell Series 8 I/O platform and Experion PKS control systems. This module accepts high-level current inputs from field transmitters and sensing devices, converting 4-20 mA signals into digital data with exceptional precision.

The "8C" prefix indicates a conformal coated version, providing robust protection against moisture, dust, chemicals, and temperature extremes—making it ideal for harsh industrial environments. What sets this module apart is its integrated HART digital communication capability, enabling simultaneous transmission of process variables and smart device diagnostics across all 16 channels.

  • Item No :

    51454470-275 8C-PAIH
  • Order(MOQ) :

    1
  • Payment :

    EXW
  • Product Origin :

    USA
  • Shipping Port :

    Wuhan, Hubei,China
  • Lead Time :

    3-5 days
  • Weight :

    0.3kg
  • Product Specification

    HONEYWELL 8C-PAIHA1 51454470-275 Analog Input Module with HART

    High-Performance 16-Channel Analog Input Module for Experion PKS Series 8

     

    About Us

    SWAN Electric is a supplier of industrial automation spare parts located in China.We specialize in PLC modules,Analog I/O

    module,power supply,HMI touchscreen panel, discontinued spare part,cable CPU processor, Servo-drive,Inverter,Base terminal unit,Communication

    Module,Switch Module,control board. At the same time, we have established close cooperative relationships with multiple PLC and DCS product

    maintenance service providers.

    Key Features & Benefits

    • 16 Single-Ended Channels: High-density input supporting 16 analog channels for 4-20 mA transmitters

    • Integrated HART Protocol: Enables digital communication with smart transmitters, providing access to multivariable data, device diagnostics, and configuration parameters without interrupting the analog signal

    • 16-Bit A/D Resolution: Delivers precise signal conversion with over 65,000 discrete levels for accurate process measurement

    • 1000 VAC Galvanic Isolation: Advanced iCoupler technology provides robust protection against electrical noise, ground loops, and transient surges

    • Conformal Coating: PCB protection against moisture, salt spray, and corrosive gases (such as H₂S)—essential for offshore and wastewater applications

    • Hot-Swap Support: Module removal and insertion under power without system shutdown, minimizing maintenance downtime

    • Optional Redundancy: Supports redundant configurations when installed on the appropriate IOTA (Input Output Termination Assembly) for critical process applications

    • Extensive Self-Diagnostics: Continuous health monitoring and fast loop scanning for proactive fault detection

    Technical Specifications

     
     
    Category Specification
    Manufacturer Honeywell
    Model Number 8C-PAIHA1
    Part Number 51454470-275
    Product Type Analog Input with HART – Single Ended, Coated
    Input Channels 16 Channels (Single Ended)
    Input Type Current (4-20 mA) via 250 Ω resistor
    A/D Converter Resolution 16 bits
    HART Support Simultaneous digital data on all 16 channels
    Power Supply 24 VDC
    Module Current Rating 110 mA
    Input Scan Rate 50 ms
    Accuracy (23.5°C ± 2°C) ±0.075% of full-scale
    Accuracy (0 to 60°C) ±0.15% of full-scale
    Common Mode Rejection Ratio 70 dB (dc to 60 Hz)
    Normal Mode Rejection Ratio (60 Hz) 19 dB
    Maximum Input Voltage ±30 Volts (no damage)
    Galvanic Isolation 1000 VAC RMS or ±1000 VDC
    Isolation Technique iCoupler (in IOM)
    Operating Temperature –40°C to +85°C
    Storage Temperature –40°C to +85°C
    Certifications Class I, Div 2, Groups A-D; Zone 2, Ex nA IIC T4
    Dimensions 6 x 15.2 x 14.3 cm
    Weight Approx. 0.3 kg
    Country of Origin USA

    Engineering Advantages

    HART Intelligence for Smart Diagnostics

    Unlike standard analog input cards, the 8C-PAIHA1 retrieves multivariable data and device diagnostics directly via the HART protocol. This enables predictive maintenance by identifying transmitter drift or sensor failure before a process upset occurs. The HART data can also be used as process control variables (secondary and tertiary variables).

    Superior Noise Rejection

    The module incorporates a 70 dB Common Mode Rejection (CMR) ratio, filtering out electrical interference from high-voltage equipment. This ensures stable 4-20 mA readings even in electrically noisy factory environments.

    Extreme Thermal Resilience

    With an extended operating temperature range of –40°C to +85°C, the module can be installed in remote field enclosures without expensive climate control systems.

    Hazardous Area Safety

    Class I Division 2 and Zone 2 certifications provide safe operation in potentially explosive atmospheres commonly found in Oil & Gas and Chemical processing facilities.

    Flexible Field Power Options

    The module supports both internal and external field power selection. On-board excitation power eliminates the need for separate marshalling power supplies, simplifying installation and reducing costs.

    System Integration

    The 8C-PAIHA1 plugs into the Input Output Termination Assembly (IOTA) for field wiring connections. It integrates seamlessly with:

    • Honeywell Experion PKS Series 8 controllers

    • C300 Controllers for process automation

    • Compatible IOTA modules: 8C-TAIXA1 (Non-Redundant, Coated) or 8C-TAIXB1 (Redundant, Coated)

    The module mounts vertically on a standard industrial DIN rail within a certified Series 8 Cabinet, allowing effective wiring entry from the top or bottom of the systems cabinet.

    Applications

    This module is ideal for critical process monitoring across various industries:

     
     
    Industry Application
    Oil & Gas Pipeline monitoring, refinery process control, ESD integration
    Chemical Processing Harsh environment telemetry, hazardous area monitoring
    Power Generation Turbine control, substation DCS data routing
    Pulp & Paper Wet/dry end communications, process optimization
    Water Treatment Flow, pressure, and level monitoring
    Pharmaceutical Precise temperature and pressure control

    Ordering & Shipping Information

     
     
    Detail Information
    Condition New & Original (Factory Sealed)
    Warranty 12 Months
    Shipping Port Wuhan
    3-5  Days
    Payment Terms T/T, Western Union
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