Installation Instructions Owner manual

1768 CompactLogix Power Supplies 5
Publication 1768-IN001B-EN-P - July 2006
Prevent Electrostatic Discharge
This equipment is sensitive to electrostatic discharge, which can cause internal damage
and affect normal operation. Follow these guidelines when you handle this equipment:
About the 1768 Power Supplies
The CompactLogix power supply provides power through the CompactLogix
backplane. The backplane is built into the 1768 and 1769 power supplies,
controllers, and I/O modules.
In addition to backplane power, both the 1768-PA3 and 1768-PB3 power supplies
offer a 24V dc external power supply terminal.
ATTENTION
• Touch a grounded object to discharge potential static.
• Wear an approved grounding wriststrap.
• Do not touch connectors or pins on component boards.
• Do not touch circuit components inside the equipment.
• Use a static-safe workstation, if available.
• Store the equipment in appropriate static-safe packaging when not in use.
1768-PA3 Power Supply
1768-PB3 Power Supply
Input Power
Terminal
24V dc External
Power Terminal
Input Power
Terminal
24V dc External
Power Terminal
Backplane Backplane