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OVERVIEW
Official designation: Allen-Bradley 1791D-16B0X (CompactBlock I/O, Expansion Module)
Role/Application: A CompactBlock I/O expansion module for DeviceNet, providing 16 sinking digital inputs in two groups to increase the I/O capacity of a base unit.
KEY SPECS SUMMARY
Power: 10 to 30V DC input range
Interfaces / Ports: 16 sinking inputs, CompactBus
Indicators: Yellow indicator I/O status
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: DeviceNet, CompactBlock I/O Base
Limit: Input Off-state voltage 5V DC max
Lifecycle: Discontinued by manufacturer
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum current drawn by the 1791D-16B0X module at the maximum voltage?
A: The maximum input On-state current is 11 mA at 30V DC.
Wiring & Installation:
Q: What is the required enclosure type for installation of the 1791D-16B0X expansion module?
A: The module has an ingress protection rating of IEC IP20 and must be DIN rail mounted.
Troubleshooting & Compatibility:
Q: How many bytes of input data does the 1791D-16B0X expansion module produce?
A: The expansion module produces three bytes of input data for its sixteen input channels.
Replacement & Upgrades:
Q: Can the 1791D-16B0X expansion module be used without a CompactBlock I/O base module?
A: No, the 1791D-16B0X is an expansion unit and must be paired with a compatible base module.
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| Country of Manufacture or Origin | See this page for details |
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| After-sales Service Contact or Customer Support Number | See this page for details |
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