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Allen Bradley 1756-PH75 ControlLogix DC Power Supply
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen Bradley 1756-PH75 ControlLogix DC Power Supply is a high-performance DC input module designed to deliver regulated backplane power for ControlLogix automation systems. It accepts a wide DC input range of 90–143 VDC and converts it into a stable 75-watt output suitable for powering controllers, communication modules, and I/O cards installed in the chassis.
This power supply is particularly suited for industrial applications where higher-voltage DC power distribution is already present, such as substations, renewable energy facilities, or heavy manufacturing plants. The 1756-PH75 ensures reliable operation of the ControlLogix chassis, providing consistent power delivery that prevents unexpected module resets or communication interruptions.
Its compact design allows installation on the left side of the ControlLogix chassis, and it operates automatically without programming, delivering stable internal energy to support critical automation operations.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Allen Bradley 1756-PH75 |
| Series | ControlLogix |
| Type | DC Input Power Supply |
| Input Voltage Range | 90–143 V DC |
| Rated Output Power | 75 W |
| Backplane Output | Regulated DC for ControlLogix chassis |
| Mounting Position | Left side of chassis |
| Protection Features | Overcurrent protection and internal fault protection |
| Isolation | Input-to-backplane electrical isolation |
| Cooling Method | Convection cooling |
| Operating Environment | Industrial control cabinets |
| Dimensions | 140 x 112 x 145 mm |
| Weight | 0.95 kg |
Applications
• High-Voltage DC Systems where the facility provides 90–143 VDC distribution.
• Process Control and Automation Plants such as chemical, oil & gas, and energy production facilities.
• Material Handling and Manufacturing Systems requiring reliable DC backplane power.
• Large-Scale Distributed Control Systems with multiple I/O modules and controllers.
• Infrastructure and Utility Automation where stable power delivery is critical to operational reliability.
Advantages
• Wide Input Voltage Range — Supports 90–143 VDC, making it suitable for high-voltage DC environments.
• Stable 75 W Output — Provides consistent power to the chassis, supporting multiple installed modules.
• Reliable Backplane Regulation — Minimizes risk of controller resets or communication failures.
• Integrated Protection Mechanisms — Includes overcurrent limiting and fault protection for safe operation.
• Industrial-Grade Design — Built to operate reliably in harsh control cabinet environments.
• Compact and Easy Integration — Fits standard ControlLogix chassis without additional configuration.
FAQ
-
What type of DC input does the 1756-PH75 support?
It operates with high-voltage DC input ranging from 90–143 VDC. -
Can this power supply operate in standard low-voltage DC systems?
No, it is designed specifically for high-voltage DC applications. -
Does the module require configuration in Studio 5000?
No software configuration is needed; the module supplies regulated power automatically once energized. -
Is it compatible with all ControlLogix chassis sizes?
Yes, it fits standard ControlLogix chassis that support DC power supplies. -
What protections are built into the module?
It includes overcurrent and internal fault protection to safeguard the backplane and connected modules. -
Does it indicate operational status?
Yes, front-panel LED indicators provide visual feedback for power and fault conditions. -
Can it be used in mission-critical redundant setups?
Yes, although redundancy requires pairing with compatible redundant modules. -
How does this module contribute to system stability?
By providing regulated 75 W DC power, it maintains consistent voltage for controllers and I/O, reducing the likelihood of operational interruptions. -
What installation precautions are important?
Ensure proper grounding, secure mounting in the chassis, and sufficient ventilation for heat dissipation. -
Is maintenance required for optimal performance?
Routine inspection for clean connections and airflow clearance is recommended; no calibration is needed.
Related Models
| Model | Description | Input Type | Output Capacity |
|---|---|---|---|
| 1756-PH75R | Redundant High-Voltage DC Power Supply | 90–143 VDC | 75 W |
| 1756-PB75 | Standard DC Power Supply | 18–32 VDC | 95 W |
| 1756-PB72 | DC Power Supply | 18–32 VDC | 75 W |
| 1756-PH50 | DC Power Supply | 90–143 VDC | 50 W |
| 1756-PB50 | Standard DC Power Supply | 18–32 VDC | 60 W |
| 1756-PSCA2 | Redundancy Adapter | N/A | Redundancy support |
Popular Models
| Model | Category | Key Feature |
|---|---|---|
| 1756-L81E | ControlLogix Controller | Integrated EtherNet/IP |
| 1756-L83E | Advanced ControlLogix Controller | High memory capacity |
| 1756-EN2T | Communication Module | High-speed EtherNet/IP |
| 1756-IB16 | Digital Input Module | 16-point input |
| 1756-OB16E | Digital Output Module | Protected outputs |
| 1756-IF8 | Analog Input Module | 8-channel analog input |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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