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OVERVIEW
Official designation: Allen-Bradley 1756-L1 (ControlLogix, Controller Module)
Role/Application: A high-performance PAC managing up to 128,000 discrete I/O points with 2MB memory for industrial control.
KEY SPECS SUMMARY
Power: 1.2A at 5.1V DC
Interfaces / Ports: RS-232 Serial Port
Indicators: RUN, ERR, I/O LEDS
Operating Temp: 0 degrees C to 60 degrees C
Platform / Compatibility: ControlLogix Chassis
Limit: 128000 Discrete IO
Lifecycle: Discontinued
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the total user memory available for the 1756-L1?
A: This controller provides 2 MB of available user memory.
Wiring & Installation:
Q: Which cable is required for RS-232 serial communication?
A: Use a 1756-CP3 or 1747-CP3 serial cable for connection.
Troubleshooting & Compatibility:
Q: What does a solid red OK LED indicate on the module?
A: A solid red LED signifies a non-recoverable hardware fault.
Replacement & Upgrades:
Q: What is the recommended modern replacement for this module?
A: Refer to the latest manufacturer manual for Logix5000 upgrades.
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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