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OVERVIEW
Official designation: Allen-Bradley 1797-TB3 (FLEX Ex I/O, Terminal Base Unit)
Role/Application: Provides a secure, intrinsically safe wiring interface for FLEX Ex I/O modules in hazardous locations, accommodating up to 36 wiring connections.
KEY SPECS SUMMARY
Power: Flexbus is less than 10 VDC
Interfaces / Ports: 52 screw terminals
Indicators: Refer to the latest manufacturer manual.
Operating Temp: -20 to 70 degrees C
Platform / Compatibility: FLEX Ex I/O modules, DIN rail
Limit: 36 wiring connections
Lifecycle: Discontinued by manufacturer
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the required screw torque for connecting field wires to the terminals?
A: The terminal screw torque must be set between 0.8 to 1 N-m.
Wiring & Installation:
Q: What are the dimensions of the terminal base unit for physical installation?
A: The dimensions are 94 x 94 x 69 millimeters.
Troubleshooting & Compatibility:
Q: Is this terminal base unit compatible with both Zone 1 and Zone 2 hazardous areas?
A: Yes, the 1797-TB3 is compatible with Zone 1 and Zone 22 hazardous areas.
Replacement & Upgrades:
Q: Does Rockwell Automation provide a direct replacement part for the discontinued 1797-TB3?
A: No planned replacement is available; refer to the latest manufacturer manual for migration options.
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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