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OVERVIEW
Official designation: Allen-Bradley 1746-A2 (SLC 500, Expansion Chassis)
The 1746-A2 is a two-slot chassis designed to physically expand the I/O capacity of a modular SLC 500 system. It provides a backplane for reliable power and communication connectivity for additional I/O modules.
KEY SPECS SUMMARY
Power: Backplane only
Interfaces / Ports: 2 module slots
Indicators: None
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: SLC 500 Modular
Limit: 2 I/O modules
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the primary function of the backplane within the 1746-A2 expansion chassis?
A: The backplane distributes 5V DC and 24V DC power and facilitates data communication between modules.
Wiring & Installation:
Q: How is the 1746-A2 expansion chassis connected back to the main SLC 500 chassis?
A: The chassis is connected using a 1746 backplane interconnect cable.
Troubleshooting & Compatibility:
Q: Can a controller or power supply module be installed into the 1746-A2 expansion chassis?
A: No, this expansion chassis is designed only for additional I/O modules.
Replacement & Upgrades:
Q: What are the size limitations for connecting multiple 1746-A2 chassis in a single SLC 500 system?
A: Refer to the latest manufacturer manual for total system rack and slot limitations.
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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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