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OVERVIEW
Official designation: Allen-Bradley 1746-IO4 (SLC 500, Combination I/O Module)
The 1746-IO4 is a compact, single-slot combination module for the SLC 500 platform. It features two 120V AC inputs and two relay outputs for flexible control applications.
KEY SPECS SUMMARY
Power: 5V DC @ 150 mA
Interfaces / Ports: 20-pin terminal block
Indicators: 4 Channel Status LEDs
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: SLC 500 Modular
Limit: 1.6 Watts heat dissipation
Lifecycle: Active
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What are the input and output configurations featured on the 1746-IO4 combination module?
A: It provides two 120V AC digital inputs and two relay output channels.
Wiring & Installation:
Q: What is the connector type used for wiring field devices to the 1746-IO4 module?
A: Field wiring connects via a single 20-pin removable terminal block.
Troubleshooting & Compatibility:
Q: What is the maximum heat dissipation rating for the Allen-Bradley 1746-IO4 module?
A: The total heat dissipation is low, rated at 1.6 Watts maximum.
Replacement & Upgrades:
Q: Can the input type on the 1746-IO4 be configured for DC voltage instead of AC?
A: No, the 1746-IO4 has fixed 120V AC inputs and relay outputs.
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| After-sales Service Contact or Customer Support Number | See this page for details |
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