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Product Overview
The Honeywell 8C-PAOH51 51454355-175 Analog Output Module is an integral part of the Honeywell Experion Process Knowledge System (PKS), designed specifically for high-performance control systems in demanding industrial environments. This analog output module is responsible for transmitting control signals from the control system to field actuators such as valves, drives, and other final control elements. Engineered with precision, it ensures accurate analog signal output, providing seamless control in a wide range of process applications.
The module belongs to Honeywell’s C300 controller I/O family, known for its high reliability, modularity, and ease of maintenance. It supports robust diagnostics, easy replacement without system shutdown, and is built for industries where uptime is crucial — such as oil & gas, chemical, power generation, and pharmaceutical manufacturing.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 8C-PAOH51 |
| Part Number | 51454355-175 |
| Module Type | Analog Output Module |
| Number of Channels | 16 independent analog output channels |
| Signal Type | 4–20 mA current output |
| Channel Isolation | Yes, channel-to-channel and channel-to-ground |
| Accuracy | ±0.05% of full scale |
| Resolution | 16-bit D/A conversion |
| Update Rate | < 250 ms typical for all channels |
| Power Supply | Supplied through I/O chassis |
| Operating Voltage | 24 VDC nominal |
| Redundancy Support | Yes, with redundant I/O chassis and control network |
| Diagnostics | Channel diagnostics, module health LED |
| Hot Swappable | Yes |
| Mounting | Standard DIN rail |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +70°C (-40°F to +158°F) |
| Humidity | 5% to 95% non-condensing |
| Dimensions (H x W x D) | 157 x 106 x 35 mm |
| Weight | 0.47 kg |
| Certifications | CE, CSA, ATEX, IECEx |
| Communication Interface | FTE (Fault Tolerant Ethernet) via C300 Controller |
Product Applications
The Honeywell 8C-PAOH51 Analog Output Module is widely deployed in mission-critical industrial automation systems. Its primary applications include:
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Oil & Gas: Control of motor-operated valves, pump flow regulation, and gas metering systems.
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Chemical & Petrochemical: Batch reactor control, temperature regulation via valve actuators.
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Power Generation: Turbine control systems, feedwater control, boiler modulation.
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Pharmaceuticals: Precise control in cleanroom HVAC systems and reaction vessels.
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Pulp & Paper: Consistency control, bleach plant automation, and dryer section regulation.
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Water/Wastewater Treatment: Dosing pump control, sludge processing, and flow control systems.
Its ability to withstand harsh environments while maintaining reliable output performance makes it ideal for safety-critical and continuous process applications.
Product Advantages
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High Channel Density: With 16 channels in a compact form factor, it reduces cabinet space and wiring complexity.
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Precision and Accuracy: 16-bit resolution ensures precise analog signal delivery, suitable for tight control loops.
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Hot Swappable Design: Enables replacement without shutting down the system, ensuring continuous operation.
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Built-In Diagnostics: Real-time monitoring of each channel for faults, improving maintenance efficiency.
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Environmental Robustness: Operates under wide temperature and humidity ranges, certified for hazardous environments.
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Easy Integration: Seamless integration with Honeywell Experion PKS, reducing configuration time and engineering costs.
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Scalability: Can be expanded with other Honeywell C300 I/O modules as system demand grows.
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Redundancy and Reliability: Supports redundant configurations for high availability installations.
Frequently Asked Questions (FAQ)
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Q: What type of analog signals does the 8C-PAOH51 module output?
A: It outputs 4–20 mA analog current signals. -
Q: Can this module be used in hazardous locations?
A: Yes, it is certified for use in hazardous areas (ATEX, IECEx). -
Q: How many channels does this module have?
A: It features 16 independent analog output channels. -
Q: Does the module support hot swapping?
A: Yes, it can be replaced without system shutdown. -
Q: What is the resolution of the analog output?
A: The module provides 16-bit digital-to-analog resolution. -
Q: Is this module compatible with redundant system architectures?
A: Yes, it supports redundancy when used with Honeywell C300 controllers and I/O chassis. -
Q: What diagnostic features does it have?
A: The module includes per-channel fault detection and status LEDs. -
Q: Can it be mounted on standard DIN rails?
A: Yes, it is designed for standard DIN rail mounting. -
Q: What is the typical update rate for all channels?
A: The module typically updates all outputs in under 250 ms. -
Q: Is it part of a larger Honeywell system?
A: Yes, it integrates directly with Honeywell’s Experion PKS platform.
Related Models in the Same Series
| Model | Description | Channels | Signal Type | Notes |
|---|---|---|---|---|
| 8C-PAIH51 | Analog Input Module | 16 | 4–20 mA Input | Used for analog signal input |
| 8C-PAIOL51 | Isolated Analog Input Module | 16 | 4–20 mA Input | Galvanic isolation per channel |
| 8C-PDIL51 | Digital Input Module | 32 | 24 VDC | High-density digital input |
| 8C-PDOD51 | Digital Output Module | 32 | 24 VDC | High-speed output switching |
| 8C-TDOD51 | Digital Output Module (Triac) | 16 | 120/240 VAC | For AC switching applications |
| 8U-PAONA1 | Universal Analog Output Module (Isolated) | 8 | mA or V output | Multi-signal type support |
Popular Honeywell Models
| Model | Function | Signal Type / I/O | Platform |
|---|---|---|---|
| CC-PCF901 | Fieldbus Interface Module | Fieldbus | Experion PKS |
| CC-PUI901 | Process Unit Interface | Universal Input/Output | Experion PKS |
| MC-TAMR03 | Temperature Input Module | RTD / Thermocouple | TDC3000 |
| MC-TDOD12 | Digital Output Module | 24 VDC | TDC3000 |
| TC-IAH161 | Analog Input Module | 4–20 mA | TDC3000 |
| TC-PRR021 | Processor Interface Module | N/A | TDC3000 |
