• Honeywell 8C-PAOHA1
  • Honeywell 8C-PAOHA1
  • Honeywell 8C-PAOHA1
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Honeywell 8C-PAOHA1 51454469-275 Analog Output with HART Module

Honeywell 8C-PAOHA1 51454469-275 Analog Output with HART Module

Description

The Honeywell 8C-PAOHA1 (51454469-275) is a high-performance Analog Output module designed for the Honeywell Series 8 I/O family. This module provides 16 channels of 4-20 mA constant current output to...

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

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Description

The Honeywell 8C-PAOHA1 (51454469-275) is a high-performance Analog Output module designed for the Honeywell Series 8 I/O family. This module provides 16 channels of 4-20 mA constant current output to drive actuators, indicators, and recording devices. The '8C' prefix denotes a conformal-coated module, providing robust protection against moisture, dust, chemical exposure, and temperature extremes in industrial environments.

As a HART-capable device, the 8C-PAOHA1 enables bidirectional communication with multivariable field instruments. This allows for remote device configuration, status monitoring, and the retrieval of secondary and tertiary process variables, facilitating advanced asset management and control strategies.

Features

  • 16-channel analog output (4-20 mA)
  • Integrated HART communication support
  • Conformal coating for harsh environment protection
  • Configurable FAILOPT (Safe-State) behavior on a per-channel basis
  • Extensive onboard self-diagnostics
  • Supports optional redundancy when paired with a compatible IOTA
  • Compact Series 8 form factor for improved heat management

Applications

  • Power Generation: Turbine control and substation data routing
  • Chemical Processing: Fail-safe telemetry for hazardous and non-hazardous zones
  • Oil and Gas: Pipeline monitoring and Emergency Shutdown (ESD) integration
  • Pulp and Paper: Process communication and downtime prevention
  • Water Treatment: Distributed control and local PLC-to-master integration

Technical Specifications

Model Number 8C-PAOHA1 (51454469-275)
Output Channels 16
Output Type 4-20 mA DC
Output Current Range 2.9 mA to 21.1 mA
Load Resistance 50 to 800 Ohm
Voltage Rating 24 VDC
Module Current Rating 205 mA
Resolution +/- 0.05% of Full Scale
Calibrated Accuracy +/- 0.2% of Full Scale (at 25 degC)
Operating Temperature 0 to 60 degC
Storage Temperature -40 to 85 degC

Installation Guidelines

  • Mounting: The module plugs directly into an Input Output Termination Assembly (IOTA). Ensure module pins are aligned correctly with the IOTA slots before seating.
  • Securing: Press the module firmly onto the IOTA until the side locking tabs click into place.
  • DIN Rail: The IOTA base snaps onto a standard 35mm DIN rail.
  • Clearance: Maintain a minimum of 25mm clearance around the assembly to ensure optimal convective cooling.
  • Handling: Observe standard ESD precautions when handling the module. Ensure power is disconnected from the IOTA before inserting or removing the module to prevent electrical arcing or damage.

FAQ

What is the 8C-PAOHA1?

The Honeywell 8C-PAOHA1 is an analog output module featuring HART communication, typically used with Honeywell Experion PKS and ControlEdge process control systems.

What is the main function of the 8C-PAOHA1?

It converts digital controller signals into precise 4-20 mA analog signals to drive field instruments, while simultaneously supporting HART protocol for two-way smart device communication and diagnostics.

Does it support HART protocol?

Yes, it is fully HART-enabled, allowing users to configure, calibrate, and monitor smart field devices directly through the control system.

What is the module's IOTA compatibility?

The module operates with Series 8 IOTA (Input Output Termination Assembly) modules, such as the 8C-TAOXA1 for non-redundant configurations or the 8C-TAOXB1 for redundant applications.