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OVERVIEW
Official designation: Allen-Bradley 1768-PB3 (1768 CompactLogix, Power Supply Module)
Role/Application: This 24V DC module provides essential backplane power to 1768-L4x controllers and associated expansion modules in high-performance automation systems.
KEY SPECS SUMMARY
Power: 24V DC input
Interfaces / Ports: DC input terminals
Indicators: Green Power LED
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: 1768 CompactLogix
Limit: 3.5A at 5.2V DC
Lifecycle: End of Life
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum backplane current output for the 1768-PB3?
A: It provides up to 3.5 Amps at 5.2V DC to power the controller.
Wiring & Installation:
Q: What is the recommended input voltage range for stable operation?
A: Use a 16.8 to 31.2V DC power source for the input terminals.
Troubleshooting & Compatibility:
Q: What does it mean if the green status LED is off during operation?
A: This indicates a lack of input power or an internal fuse failure.
Replacement & Upgrades:
Q: Can the 1768-PB3 be used with 1769 series controllers?
A: No, it is exclusively designed for the 1768 series backplane.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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