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Product Overview
The Honeywell 8C-PAOHA1 51454469-275 Analog Output Module is an industrial-grade output module from Honeywell’s Experion PKS (Process Knowledge System) I/O family. Designed for mission-critical control applications, this analog output module is engineered to provide precise, reliable current signal outputs to field control elements such as actuators, I/P converters, valves, and VFDs.
The 8C-PAOHA1 module supports isolated outputs, enhancing system robustness and minimizing ground loop issues. Its design ensures optimal performance in distributed control system (DCS) architectures, offering both flexibility and accuracy required by modern industrial automation standards. It seamlessly integrates with Honeywell’s C300 controller and is a suitable choice for facilities seeking high availability and low maintenance.
Product Specifications
| Parameter | Details |
|---|---|
| Model | 8C-PAOHA1 |
| Part Number | 51454469-275 |
| Type | Analog Output Module |
| Signal Type | Isolated 4–20 mA analog current outputs |
| Number of Channels | 8 isolated analog output channels |
| Channel-to-Channel Isolation | Yes, galvanically isolated per channel |
| Output Resolution | 16-bit DAC resolution |
| Load Resistance Range | 0–600 Ohms |
| Typical Output Accuracy | ±0.05% of span |
| Redundancy Support | Yes (when used in redundant I/O architecture) |
| Diagnostic Features | Channel status, overrange/underrange, open loop detect |
| Module Status Indication | Front panel LED indicators |
| Hot Swappable | Yes |
| Mounting Method | DIN rail or panel mounting via carrier |
| Power Source | Supplied via FTE-connected C300 controller chassis |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +70°C (-40°F to +158°F) |
| Relative Humidity | 5% to 95% (non-condensing) |
| Shock Resistance | 15 g for 11 ms (half-sine) |
| Vibration Resistance | 1 g, 5–500 Hz |
| Dimensions (H x W x D) | 157 x 106 x 35 mm |
| Weight | 0.47 kg |
| Certifications | CE, UL, CSA, ATEX, IECEx |
| Compliance | RoHS, WEEE |
Product Applications
The Honeywell 8C-PAOHA1 module finds its usage in a wide variety of process automation sectors due to its high reliability and accuracy. Key application domains include:
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Oil & Gas: Control of hydraulic valves, flow regulation in pipeline systems, compressor control.
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Power Generation: Output control for steam turbines, water-level regulation, boiler pressure management.
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Pharmaceutical Manufacturing: Cleanroom environmental regulation, batch processing automation.
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Chemical & Petrochemical Industries: Reactor control, flow loop tuning, catalyst feed management.
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Pulp and Paper Industry: Dryer section control, consistency metering, pH control systems.
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Food & Beverage: Temperature-controlled environments, flow dosing in packaging systems.
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Water & Wastewater Treatment: Pump regulation, dosing control for chemical injection, SCADA feedback loops.
Thanks to its isolated architecture, the module helps prevent signal interference in electrically noisy environments, making it ideal for advanced control systems with diverse analog output needs.
Product Advantages
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Galvanic Isolation: Each analog output is isolated, providing superior noise immunity and safety in complex industrial environments.
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High Accuracy: Delivers accurate 4–20 mA signals with a ±0.05% error margin, enhancing control loop stability.
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Compact Form Factor: Occupies minimal space while offering 8 isolated outputs, ideal for space-constrained control cabinets.
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Hot Swappable Design: Supports live module replacement without process interruption, increasing operational uptime.
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Modular Integration: Designed to work seamlessly with Honeywell C300 and FTE networks, minimizing integration effort.
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Advanced Diagnostics: Built-in per-channel diagnostics enable predictive maintenance and reduce unplanned downtime.
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Flexible Mounting: DIN rail or panel mounting options allow installation versatility.
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Certifications for Hazardous Areas: Certified for use in Class I, Div 2 and Zone 2 hazardous environments.
Frequently Asked Questions (FAQ)
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Q: How many analog outputs does the 8C-PAOHA1 provide?
A: It offers 8 fully isolated analog output channels. -
Q: What type of output signal does it generate?
A: It generates 4–20 mA analog current output per channel. -
Q: Is the module hot-swappable?
A: Yes, it can be replaced while the system is running without requiring a shutdown. -
Q: Can this module be used in hazardous environments?
A: Yes, it is certified for use in hazardous areas per ATEX, IECEx, and other international standards. -
Q: What’s the resolution of the analog output?
A: It uses a 16-bit digital-to-analog conversion, offering high precision. -
Q: Does it support channel-to-channel isolation?
A: Yes, each output channel is galvanically isolated. -
Q: What is the load resistance supported?
A: It supports load resistance in the range of 0 to 600 Ohms. -
Q: How is this module powered?
A: It is powered via the system backplane connected to the C300 controller. -
Q: What are the physical dimensions of this module?
A: 157 x 106 x 35 mm. -
Q: Can the module indicate individual channel faults?
A: Yes, it has onboard diagnostics and LED indicators to show status or faults per channel.
Related Models from the Same Series
| Model | Description | Channels | Output Type | Isolation |
|---|---|---|---|---|
| 8C-PAOH51 | Standard Analog Output Module | 16 | 4–20 mA | Non-isolated |
| 8C-PAIH51 | Analog Input Module | 16 | 4–20 mA | Yes |
| 8C-PAIOL51 | Isolated Analog Input Module | 16 | 4–20 mA | Per channel |
| 8C-PDIL51 | Digital Input Module | 32 | 24 VDC | No |
| 8C-PDOD51 | Digital Output Module | 32 | 24 VDC | No |
| 8U-PAONA1 | Universal Isolated Analog Output Module | 8 | 4–20 mA or Voltage | Isolated |
Popular Honeywell Models (Same Brand)
| Model | Function | Signal / Interface | Compatible System |
|---|---|---|---|
| CC-PUI901 | Process Unit Interface | Universal I/O | Experion C300 |
| CC-PCF901 | Fieldbus Interface Module | FOUNDATION Fieldbus | Experion PKS |
| TC-IAH161 | Analog Input Module | 4–20 mA | TDC3000 |
| MC-TAMR03 | Temperature Input Module | RTD / Thermocouple | TDC3000 |
| TC-PRR021 | Processor Module | N/A | TDC3000 |
| MC-PD1X02 | Digital Output Module | 24 VDC | TDC3000 |
