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OVERVIEW
Official designation: Allen-Bradley 1797-BCNR (FLEX Ex I/O, Redundant ControlNet Barrier Module)
Role/Application: Provides galvanic isolation and redundant ControlNet communication path for intrinsically safe FLEX Ex I/O systems.
KEY SPECS SUMMARY
Power: 24 Volts DC, 4.2 Watts
Interfaces / Ports: ControlNet coaxial
Indicators: PWR, RDN, CH1, CH2 LEDs
Operating Temp: Minus 20 to 60 degrees C
Platform / Compatibility: FLEX Ex, ControlNet
Limit: 5 Mbit per second
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the intrinsic safety zone and gas group rating for this module?
A: The module is certified as Ex ib IIC T4 for hazardous area classification.
Wiring & Installation:
Q: How many coaxial cables are needed to set up a fully redundant ControlNet connection?
A: Four coaxial cables are required, two for channel 1 and two for channel 2.
Troubleshooting & Compatibility:
Q: What does a flashing CH1 STATUS indicator light signify during operation?
A: A flashing CH1 STATUS LED indicates a connection fault on the primary ControlNet channel 1.
Replacement & Upgrades:
Q: What is the maximum distance supported between the 1797-BCNR and the ControlNet head station?
A: Refer to the latest manufacturer manual.
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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