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OVERVIEW
Official designation: Allen-Bradley 1756-PB75 (ControlLogix, DC Power Supply)
Role/Application: This 75W module provides regulated DC power to the ControlLogix backplane from a 24V DC source, supporting high-current chassis requirements.
KEY SPECS SUMMARY
Power: 24V DC In, 75W Out
Interfaces / Ports: Terminal Block
Indicators: Green Status LED
Operating Temp: 0 degrees C to 60 degrees C
Platform / Compatibility: ControlLogix Chassis
Limit: 13A at 5.1V DC
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum backplane current available at 5.1V DC?
A: The module delivers a maximum of 13 Amps to the backplane.
Wiring & Installation:
Q: What is the recommended wire size for the DC input terminals?
A: Use 2.5 mm squared or 14 AWG solid or stranded copper wire.
Troubleshooting & Compatibility:
Q: What does it mean if the green LED indicator is off?
A: It indicates no input power or an internal power supply fault.
Replacement & Upgrades:
Q: Can this 1756-PB75 replace a 1756-PA72 module?
A: No, the PB75 requires 24V DC whereas the PA72 uses AC power.
상품 정보 고시
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| Model Name | See this page for details |
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| Country of Manufacture or Origin | See this page for details |
| Manufacturer | See this page for details |
| After-sales Service Contact or Customer Support Number | See this page for details |
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