• Honeywell 8U-PAOHA1
  • Honeywell 8U-PAOHA1
  • Honeywell 8U-PAOHA1
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Honeywell 8U-PAOHA1 Analog Output Module

Honeywell 8U-PAOHA1 Analog Output Module

Description

The Honeywell 8U-PAOHA1 is a high-density 16-channel analog output module engineered for demanding process automation environments, including power generation, oil and gas, and heavy industrial facilities. This module provides...

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SKU: 8U-PAOHA1
Vendor: Honeywell
Category: Analog Output Module
Related Series:

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Description

The Honeywell 8U-PAOHA1 is a high-density 16-channel analog output module engineered for demanding process automation environments, including power generation, oil and gas, and heavy industrial facilities. This module provides reliable 4-20 mA control signals and integrates HART communication capabilities, allowing for seamless interaction with intelligent field instruments. The design emphasizes operational continuity, featuring support for hot-swapping (insertion and removal under power) to facilitate maintenance without requiring system shutdowns.

Features

  • 16 independent analog output channels with integrated HART protocol support.
  • High-precision 4-20 mA signal generation for accurate control of actuators and valves.
  • Supports under-power insertion and removal (RIUP) to minimize process downtime.
  • Fast response characteristics with a 10 ms maximum output gap during redundant switchover events.
  • Robust electrical design capable of driving loads between 50 and 800 ohms.

Applications

This module is primarily utilized in distributed control systems (DCS) for precise regulation of field devices. It is suitable for applications requiring high-resolution output control, such as modulating control valves, variable frequency drives, and other process instrumentation that relies on standard analog signaling and HART-based diagnostics.

Technical Specifications

Model 8U-PAOHA1
Output Channels 16
Output Range 4-20 mA (adjustable 2.9 to 21.1 mA)
Communication HART enabled
Resolution +/- 0.05% of Full Scale
Calibrated Accuracy +/- 0.2% of Full Scale (at 25 deg C)
Load Resistance 50 to 800 ohms
Response Time 80 ms (to 1% of final value)
Open Circuit Voltage 22 V
Power Consumption 24 VDC, 205 mA
Operating Temp 0 to 60 deg C
Storage Temp -40 to 85 deg C

Installation Guidelines

  • Ensure the mounting chassis is properly grounded to mitigate electromagnetic interference (EMI).
  • Verify that the power supply is stable and within the 24 VDC specification before module insertion.
  • Use shielded cabling for all analog output signals to maintain signal integrity and reduce noise coupling.
  • When performing hot-swapping, ensure the module is fully seated and locked into the carrier to maintain electrical connectivity.
  • Maintain adequate ventilation around the module to prevent thermal accumulation, keeping within the rated 0 to 60 deg C operating window.

FAQ

Does the 8U-PAOHA1 support HART communication?
Yes, this module is designed with built-in HART signaling capability to support digital communication with compatible field devices.

Can I replace this module while the system is running?
Yes, the 8U-PAOHA1 supports insertion and removal under power (RIUP), allowing for maintenance without interrupting the overall system operation.

What is the maximum load resistance for the outputs?
The module is designed to operate with a load resistance range of 50 to 800 ohms.