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OVERVIEW
Official designation: Allen-Bradley 1734-485ASC (POINT I/O, ASCII Interface Module)
Role/Application: Serial communication module facilitating asynchronous data exchange between RS-422/RS-485 devices and a POINT I/O control system.
KEY SPECS SUMMARY
Power: 24V DC, 75mA
Interfaces / Ports: RS-422, RS-485
Indicators: Status and TX/RX LEDs
Operating Temp: -20 to 55 degrees C
Platform / Compatibility: 1734 POINT I/O
Limit: 38.4 Kbps Baud Rate
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum cable length supported for RS-485?
A: Maximum distance is 1200 meters at lower baud rates.
Wiring & Installation:
Q: Does this module require external termination resistors?
A: Yes, use 120 ohm resistors for long network runs.
Troubleshooting & Compatibility:
Q: What does a solid red Module Status LED indicate?
A: Indicates an unrecoverable fault or hardware failure.
Replacement & Upgrades:
Q: Can this module replace a 1734-232ASC in existing slots?
A: Yes, provided the wiring is updated for RS-485/422.
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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