Honeywell 8C-PAIH54

Product Overview
The Honeywell 8C-PAIH54 is an industrial pressure measurement module used to measure pressure, differential pressure, or related process variables and transmit standardized signals to automation systems. The model designation suggests a pressure analog input function. It is designed for integration with PLC, DCS, and other industrial control systems in process monitoring and control applications.

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Description

Honeywell 8C-PAIH54

Technical Specifications

  • Brand: Honeywell
  • Model: 8C-PAIH54
  • Product Type: Industrial pressure measurement module
  • Measurement Function: Pressure analog input
  • Output Signal: 4-20 mA or 0-10 V, depending on configuration
  • Supply Voltage: 12V to 36V DC
  • Communication Options: HART or Modbus RTU via RS485, depending on configuration
  • Protection Rating: IP65 / IP67, depending on configuration
  • Operating Temperature Range: -40°C to +85°C
  • Process Connection: G1/2, NPT1/2, or other options depending on configuration
  • Mounting Method: Process mounting with compatible pressure connection

Functional Features

  • Measures pressure, differential pressure, or related process variables.
  • Converts measured values into standardized analog signals.
  • Supports integration with PLC and DCS systems.
  • Provides optional digital communication for configuration and diagnostics.
  • Designed for industrial environments with dust, moisture, and electromagnetic interference.
  • Supports flexible installation through multiple process connection options.
  • Suitable for continuous process monitoring and control applications.

Application Scenarios

  • Petrochemical and chemical process monitoring.
  • Oil and gas production and processing.
  • Power generation systems.
  • Water and wastewater treatment plants.
  • HVAC and building automation systems.
  • Industrial pressure monitoring and control loops.
  • Pipeline and tank pressure measurement.
  • Process instrumentation integration with PLC or DCS systems.

Performance Parameters

  • Output Signal: 4-20 mA or 0-10 V
  • Supply Voltage: 12V to 36V DC
  • Operating Temperature: -40°C to +85°C
  • Protection Rating: IP65 / IP67
  • Communication: HART or Modbus RTU
  • Specific pressure range, accuracy, response time, overload pressure, burst pressure, isolation material, wetted material, dimensions, and weight should be verified against the product nameplate and official Honeywell documentation.

Material Composition

  • Industrial-grade sensor assembly
  • Pressure sensing element
  • Signal conditioning circuitry
  • Analog output circuitry
  • Communication interface components
  • Process connection fitting
  • Protective housing
  • Model, revision, and serial number labels

Structural Characteristics

  • Compact industrial pressure module design.
  • Provides analog output for connection to control systems.
  • Includes process connection for direct pressure measurement.
  • Designed for mounting near process lines, tanks, or equipment.
  • Typically includes electrical connection terminals or cable glands.
  • Housing provides protection against dust and water ingress.
  • Exact wetted materials, connector type, and mechanical dimensions depend on the physical unit.

Working Principle
The 8C-PAIH54 senses pressure applied through its process connection. The internal sensing element converts the physical pressure into an electrical signal. The signal conditioning circuit processes the measurement and generates a standardized output such as 4-20 mA or 0-10 V. If equipped with digital communication, the module can also provide configuration, diagnostics, and additional measurement data to the host system.

Installation Requirements

  • Confirm compatibility with the target process medium and pressure range.
  • Verify the full model number 8C-PAIH54.
  • Check the nameplate for pressure range, output type, supply voltage, and communication options.
  • Select the correct process connection for the installation point.
  • Ensure the process connection is properly sealed and tightened.
  • Follow plant electrical safety procedures.
  • Connect power and signal wiring according to plant standards.
  • Configure HART or Modbus RTU parameters if digital communication is used.
  • After installation, check output signal and system readings.
  • Record the installation for maintenance traceability.

Precautions for Use

  • Do not exceed the rated pressure, temperature, or voltage limits.
  • Verify compatibility between wetted materials and the process medium.
  • Protect the module from mechanical shock, vibration, and corrosion.
  • Store spare modules in a dry, clean, and static-safe environment.
  • Do not use modules with damaged housings, damaged process connections, or unclear labels.
  • Perform functional checks after replacement.
  • Refer to official Honeywell documentation for exact wiring, configuration, calibration, and environmental requirements.