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OVERVIEW
Official designation: Allen-Bradley 1791-24A8 (Block I/O, Input and Output Module)
Role/Application: A compact, self-contained module providing 24 discrete 120V AC inputs and 8 discrete 120V AC outputs for distributed Remote I/O control systems.
KEY SPECS SUMMARY
Power: 85 to 132 Volts AC
Interfaces / Ports: Remote I/O link
Indicators: COMM, STATUS, I/O points
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: PLC2, PLC5, SLC500
Limit: Max 18.76 Watts dissipation
Lifecycle: Discontinued/Obsolete
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum AC current surge the output channels can withstand?
A: The output channels can handle a 10 Amps surge for 50 milliseconds, repeatable every 2 seconds.
Wiring & Installation:
Q: What are the recommended mounting orientations and air gap requirements for the module?
A: Vertical mounting is recommended; a minimum 2.0 inch air gap on all four sides is required.
Troubleshooting & Compatibility:
Q: What is the nominal input voltage range required for the module to detect an on-state signal?
A: The input on-state voltage range is 79 to 132 Volts AC.
Replacement & Upgrades:
Q: What is the current lifecycle status of the Allen-Bradley 1791-24A8 I/O module?
A: The 1791-24A8 Block I/O module is currently classified by the manufacturer as Discontinued/Obsolete.
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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