Description
Product Name: 1756-PH75-CC Allen Braley Input module
Product details:
The Allen-Bradley 1756-PH75-CC is a high-performance, conformal-coated power supply module from the ControlLogix family. Designed by Rockwell Automation, this module provides reliable 24V DC power to the ControlLogix backplane, ensuring the stable operation of CPUs, I/O modules, and communication cards.
Product Specifications
The 1756-PH75-CC is specifically engineered for environments where standard hardware might fail due to moisture or chemical exposure.
| Feature | Specification |
| Input Voltage Range | 18–32V DC (24V DC Nominal) |
| Input Power | 95 W |
| Output Power | 75 W @ 0–60 °C |
| Backplane Current (max) | 1.5A @ 1.2V; 4A @ 3.3V; 13A @ 5.1V; 2.8A @ 24V |
| Isolation Voltage | 250V (continuous) |
| Coating | Conformal Coated (for harsh environments) |
| Chassis Compatibility | Series B ControlLogix Chassis |
Key Advantages
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Conformal Coating (-CC): The “CC” suffix indicates a specialized protective layer. This shields the internal circuitry from humidity, dust, salt spray, and corrosive chemical vapors, significantly extending the lifespan of the hardware in industrial settings.
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High Efficiency: It provides a robust 75 Watts of power directly to the backplane, supporting dense I/O configurations without the need for external power distribution for the modules themselves.
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Integrated Design: It mounts directly onto the left side of the ControlLogix chassis, saving DIN rail space and simplifying wiring.
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Hot-Swappable: Supports Removal and Insertion Under Power (RIUP), allowing for maintenance without shutting down the entire system (provided safety protocols are followed).
Important Considerations & Precautions
Note: Proper grounding is essential for the 1756-PH75-CC to prevent electrical noise from affecting the controller’s performance.
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Heat Dissipation: Ensure there is adequate clearance around the chassis for airflow. Operating the module at the top of its temperature range without ventilation can lead to thermal shutdowns.
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Input Voltage Stability: While it handles a range of 18–32V, sudden spikes or drops outside this range can trigger protective fuses.
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Chassis Series: Ensure your chassis is compatible. While most 1756 chassis support this, always verify the Series (A or B) requirements for the specific power distribution.
Product Applications
The 1756-PH75-CC is typically found in mission-critical industrial sectors, including:
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Water & Wastewater Treatment: Where high humidity and chlorine vapors are common.
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Oil & Gas: Used in offshore rigs or refineries where salt air and corrosive gases are present.
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Chemical Processing: Protecting the control system from chemical particulate and fumes.
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Heavy Manufacturing: Providing stable DC power in environments with significant electrical noise and ambient dust.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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