A-B 1769-PB2/A Compact I/O Power Supply

Product Description

Allen-Bradley 1769-PB2/A is a CompactLogix DC Power Supply Module manufactured by Rockwell Automation. It is designed to provide backplane power for 1769 Compact I/O systems and CompactLogix controllers, supplying regulated 5V DC and 24V DC power to connected I/O modules.

The module accepts a 24V DC input and provides 2A at 5V DC output for the Compact I/O bus, making it suitable for distributed CompactLogix control system installations.

Specifications

• Brand: Allen-Bradley (Rockwell Automation)
• Model: 1769-PB2/A
• Product Type: Compact I/O Power Supply Module
• Series: CompactLogix 1769
• Input Voltage: 24V DC
• Output Capacity:
  • 5V DC @ 2A
  • 24V DC @ 0.8A
• Application: CompactLogix / Compact I/O power expansion
• Mounting: DIN Rail or Panel Mount
• Module Width: 1 slot
• Operating Temperature: 0…60°C
• Storage Temperature: -40…85°C
• Humidity: 5…95% RH, non-condensing

Functions

• Supplies power to Compact I/O modules through the backplane
• Provides stable DC power for controller and I/O expansion systems
• Supports expansion of 1769 Compact I/O module banks
• Helps maintain reliable PLC system operation
• Provides power distribution within industrial control cabinets

Advantages & Features

• Compact design for space-saving installations
• Reliable DC power conversion
• Compatible with Allen-Bradley CompactLogix platform
• Supports distributed I/O architecture
• DIN rail mounting for easy cabinet installation
• Industrial-grade design for automation environments

Applications

• CompactLogix PLC systems
• 1769 Compact I/O expansion racks
• Industrial control cabinets
• Machine automation equipment
• Factory production lines
• Remote I/O control systems

Notes

• 1769-PB2/A is a power supply module, not a PLC CPU
• Requires 24V DC input power
• Confirm total I/O module power consumption before system expansion
• Install according to CompactLogix power supply distance requirements
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