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OVERVIEW
Official designation: Allen-Bradley 1756-L55M16 (ControlLogix5555, Controller)
Role/Application: High-performance processor with 1.5MB user memory and 16MB nonvolatile storage for complex logic and large-scale industrial I/O.
KEY SPECS SUMMARY
Power: 5.1V DC, 1.25A
Interfaces / Ports: RS-232 Serial port
Indicators: Six status LEDs
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: ControlLogix Chassis
Limit: 1.5MB User Memory
Lifecycle: End of Life
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the total user memory capacity of the 1756-L55M16?
A: This processor provides 1.5 MB of user memory for logic and data.
Wiring & Installation:
Q: What type of cable is required for serial communication?
A: Use a 1756-CP3 or 1747-CP3 serial cable for the RS-232 port.
Troubleshooting & Compatibility:
Q: What does a solid red OK LED signify on this controller?
A: A solid red OK LED indicates a non-recoverable hardware fault.
Replacement & Upgrades:
Q: What is the current status and replacement for this module?
A: It is discontinued; refer to the latest manual for L7 or L8 migrations.
상품 정보 고시
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| 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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