• Honeywell 8U-PAIHA1
  • Honeywell 8U-PAIHA1
  • Honeywell 8U-PAIHA1
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Honeywell 8U-PAIHA1 Analog Input HART Module

Honeywell 8U-PAIHA1 Analog Input HART Module

Description

The Honeywell 8U-PAIHA1 is a high-performance analog input module belonging to the Series C I/O family. It is engineered for the precise acquisition of 4-20 mA signals from field transmitters,...

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SKU: 8U-PAIHA1
Vendor: Honeywell
Category: Analog Input Module
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Description

The Honeywell 8U-PAIHA1 is a high-performance analog input module belonging to the Series C I/O family. It is engineered for the precise acquisition of 4-20 mA signals from field transmitters, featuring integrated HART communication capabilities. This module supports both 2-wire loop-powered and self-powered devices, making it a versatile component for process automation in industries such as oil and gas, power generation, and chemical processing. The 8U-PAIHA1 provides 16 single-ended input channels with 16-bit resolution, ensuring high-fidelity measurement and seamless digital communication with smart HART-enabled field instruments.

Features

  • 16 single-ended analog input channels with integrated HART communication support.
  • High-resolution 16-bit A/D conversion for precise signal monitoring.
  • Robust galvanic isolation up to 1000 VAC/VDC using Icoupler technology to protect control systems.
  • Hot-swappable design allows for module replacement without powering down the system, minimizing operational downtime.
  • Integrated 250 ohm resistors for standard 4-20 mA current loop processing.
  • Advanced noise rejection with a 6.5 Hz cutoff frequency RC filter.

Applications

The 8U-PAIHA1 is designed for use in demanding industrial process control environments. Typical applications include monitoring pressure, flow, temperature, and level transmitters in distributed control systems (DCS). Its HART compatibility allows for remote configuration and diagnostics of smart field devices, reducing the need for manual field checks.

Technical Specifications

Model 8U-PAIHA1
Series Series C
Input Channels 16 (Single-ended)
Input Range 4-20 mA
A/D Resolution 16-bit
Input Scan Rate 50 ms
Accuracy +/- 0.075% FS (at 23.5 degC)
Power Consumption 2.6 W
Module Current 110 mA
Isolation 1000 VAC / 1000 VDC (Icoupler)
Operating Temperature 0 to 60 degC
Storage Temperature -40 to 85 degC

Installation Guidelines

  • Ensure the system is properly grounded before installing the module into the Series C I/O carrier.
  • The module supports hot-swapping; however, ensure the surrounding environment is free from conductive dust or moisture during maintenance.
  • Use shielded twisted-pair cabling for analog inputs to maintain signal integrity and maximize noise rejection.
  • Route signal cables away from high-voltage power lines and heavy-duty motor starters to prevent EMI interference.
  • Verify that the input loop power supply is within the specified voltage range before connecting field devices.

FAQ

Does this module support HART communication?

Yes, the 8U-PAIHA1 features integrated HART communication, allowing the module to pass digital data from smart field transmitters to the control system while simultaneously reading the analog 4-20 mA signal.

Is this module hot-swappable?

Yes, the 8U-PAIHA1 is designed for hot-swap capability, allowing for removal and replacement while the system is powered, provided the installation environment allows for safe maintenance procedures.