Description

The Allen-Bradley 1768-PB3 is a dedicated power supply module designed for the CompactLogix PAC (Programmable Automation Controller) system. This module provides reliable DC power distribution to the backplane, ensuring stable operation of connected I/O and controller components within the CompactLogix architecture.

Features

• Designed specifically for integration with CompactLogix controller systems.
• Supports a wide input voltage range of 16.8 to 31.2V DC.
• Features an extended hold-up interval of 8 to 12 ms at 1.25 W to maintain system integrity during brief power fluctuations.
• Provides 24V DC output power to the backplane with a current capacity of 1.4 Amps.
• Flexible installation options supporting both DIN rail and panel mounting configurations.

Technical Specifications

Installation Guidelines

• Ensure the system power is disconnected before installing or removing the module from the rack.
• The module is compatible with standard DIN rail or panel mounting; ensure the mounting surface is clean and provides adequate structural support.
• Maintain proper clearance around the module to allow for adequate ventilation and heat dissipation.
• Follow standard ESD (Electrostatic Discharge) precautions when handling the module to prevent damage to internal circuitry.
• Verify that the input voltage source is within the specified 16.8 to 31.2V DC range before energizing.

FAQ

What is the primary function of the 1768-PB3?
The 1768-PB3 is a DC power supply module used to provide the necessary operating power to the backplane of an Allen-Bradley CompactLogix system.

Can this module be mounted on a DIN rail?
Yes, the 1768-PB3 is designed to support both DIN rail and panel mounting configurations for flexible installation in control cabinets.