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OVERVIEW
Official designation: Allen-Bradley 1756-L55M24 (ControlLogix 5550, Processor)
Role/Application: High-speed logic controller with 2MB user memory and 1756-M24 nonvolatile storage for complex industrial automation.
KEY SPECS SUMMARY
Power: 1250mA at 5.1V DC
Interfaces / Ports: RS-232 Serial
Indicators: RUN, FORCE, OK LEDs
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: ControlLogix Chassis
Limit: 250 Connections
Lifecycle: End of Life
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the total user memory capacity of the 1756-L55M24?
A: It provides 2MB of user memory plus nonvolatile flash storage.
Wiring & Installation:
Q: Which battery is required to maintain the volatile memory?
A: Use the 1756-BA1 or 1756-BA2 lithium battery assembly.
Troubleshooting & Compatibility:
Q: What does a flashing red OK LED indicate on this unit?
A: A flashing red OK LED signifies a recoverable major fault.
Replacement & Upgrades:
Q: Is this processor still in active production by the manufacturer?
A: No, it is discontinued. Upgrade to ControlLogix 5570 or 5580.
상품 정보 고시
| Category | Details |
|---|---|
| Product Name | See this page for details |
| Model Name | See this page for details |
| Certification or Licensing Information Required by Law | See this page for details |
| 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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