Allen-Bradley 1756-PB75R/A Redundant Power Supply Module

The Allen-Bradley 1756-PB75R/A Redundant Power Supply Module provides high-availability power management for ControlLogix systems. Designed to ensure continuous operation and reliability in industrial automation environments, this power supply module offers dual power sources for redundancy, minimizing the risk of downtime and improving system resilience. Whether you're working with complex manufacturing processes, energy systems, or critical industrial control applications, this redundant power supply guarantees seamless performance even in the event of a power failure.

Key Benefits & Main Features:

• Redundant Power Sources: The 1756-PB75R/A features dual power supplies to ensure uninterrupted operation. This redundancy minimizes the risk of failure, making it ideal for high-availability systems.

• High Efficiency: With a combined output of 75W per power supply, it ensures efficient and reliable power distribution across all connected devices in the ControlLogix system.

• Flexible Mounting: Designed for easy integration, the 1756-PB75R/A can be mounted directly into the ControlLogix chassis, providing a compact and organized power solution.

• Built-in Diagnostics: This power supply module includes self-diagnostics that allow real-time monitoring of system status, making it easy to identify potential issues before they impact operations.

• Temperature and Environmental Range: The 1756-PB75R/A is built to operate in harsh industrial environments with a wide temperature range of 0°C to 60°C (32°F to 140°F), ensuring reliable performance even under extreme conditions.

• Hot Swappable: The power supply can be replaced without interrupting system operation, minimizing downtime and ensuring that your system remains operational.

Technical Specifications:

• Model: 1756-PB75R/A Redundant Power Supply Module

• Power Supply Rating: 75W (per supply)

• Input Voltage: 85-264V AC, 50/60Hz

• Output Voltage: 24V DC

• Output Current: 3.15A (per power supply)

• Redundant Design: Dual power supplies for continuous operation

• Mounting Type: Mounts directly into ControlLogix chassis

• Temperature Range:

• Operating: 0°C to 60°C (32°F to 140°F)

• Storage: -40°C to 85°C (-40°F to 185°F)

• Cooling Type: Convection

• Weight: 0.91 kg (2.0 lbs)

• Dimensions: 130 mm x 125 mm x 35 mm (5.12 in x 4.92 in x 1.38 in)

• Certifications: UL, CE, CSA, C-Tick

Typical Applications & Use Cases:

The Allen-Bradley 1756-PB75R/A Redundant Power Supply Module is ideal for critical applications requiring constant power availability and system redundancy. Some typical use cases include:

• Manufacturing Automation: In manufacturing systems where uptime is critical, the redundant power supply ensures that production lines remain operational, even if one power source fails.

• Process Control: In industries such as oil and gas, water treatment, and pharmaceuticals, where continuous process monitoring and control are essential, the 1756-PB75R/A provides reliable power to controllers, sensors, and actuators.

• Energy Systems: For energy distribution systems and renewable energy setups that require consistent and reliable power management, this module ensures that the system remains stable, even under varying conditions.

• Building Automation: In smart buildings or facilities management systems, where continuous operation of HVAC, security, and lighting systems is essential, the 1756-PB75R/A ensures reliability by providing a redundant power setup.

Support & Maintenance / Reliability & Service:

The 1756-PB75R/A is backed by Rockwell Automation's extensive support network. It is designed for easy maintenance, with built-in diagnostic tools that enable operators to quickly identify and resolve potential issues. In addition, the module is hot-swappable, allowing for replacement without disrupting operations. Rockwell Automation also offers preventive maintenance services, software updates, and on-site support to ensure that your system continues to operate efficiently. The redundancy feature of this module significantly reduces the risk of downtime, making it an ideal choice for mission-critical applications.

FAQ:

1. What is the power rating of the 1756-PB75R/A?

• The 1756-PB75R/A offers 75W per power supply, providing reliable power to connected devices.

2. Can the 1756-PB75R/A be used in harsh environments?

• Yes, it is designed to operate in a wide temperature range from 0°C to 60°C (32°F to 140°F), making it suitable for demanding industrial environments.

3. Is this power supply module compatible with ControlLogix systems?

• Yes, the 1756-PB75R/A is specifically designed for use with ControlLogix chassis for seamless integration into automation systems.

4. Does the 1756-PB75R/A provide system redundancy?

• Yes, it features a redundant power supply design with two power sources, ensuring continuous operation in case of failure.

5. Can the power supply be replaced without shutting down the system?

• Yes, the 1756-PB75R/A is hot-swappable, meaning you can replace it without interrupting system operations.