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Rectangular DIN-rail module, grey plastic housing, single RJ45 port, 24 VDC power terminals

Allen-Bradley

Allen-Bradley 1794-AENT Flex I/O Ethernet/IP Adapter 8 Modules 10/100 Mbps 24 VDC

SKU CH-21XS-2Y031 MPN 1794-AENT

Connects up to 8 Flex I/O modules to an Ethernet/IP network at 10/100 Mbps via a single RJ45 port, powered by 24 VDC and DIN-rail mounted

  • Connects up to 8 modules via Ethernet/IP
  • 10/100 Mbps data transfer over RJ45 Cat.5
  • 24 VDC nominal input powers the adapter
  • Single RJ45 port simplifies network integration
  • DIN rail mounting fits standard control cabinets

Flex I/O Ethernet/IP Adapter 8 Modules

The Allen-Bradley 1794-AENT connects up to eight Flex I/O modules to an EtherNet/IP network through a single RJ45 port. It operates on a 24 VDC supply and mounts on a DIN rail, making it suitable for control cabinets that need distributed I/O over standard industrial Ethernet. This adapter targets system integrators and maintenance engineers expanding or building new process or discrete automation cells.

Sustained 10/100 Mbps throughput

The adapter communicates at 10 or 100 Mbps using Cat.5 cabling, maintaining consistent data exchange with the controller across all eight module slots. Because the backplane scans each installed module cyclically, bus loading stays predictable during continuous operation rather than peaking only in short bursts. This behaviour supports applications where regular sensor updates and actuator commands must arrive on schedule shift after shift.

Replaces direct-wired I/O blocks

Moving to this adapter removes the need for long multi-core cable runs from field devices to a central rack, cutting installation labour and voltage-drop issues. The jump is worth it when a machine or line requires more than a handful of distributed points and the control system already uses EtherNet/IP, because the same network infrastructure carries both I/O and plant-level data without extra gateways.

Highlights

  • Connects up to 8 modules via Ethernet/IP
  • 10/100 Mbps data transfer over RJ45 Cat.5
  • 24 VDC nominal input powers the adapter
  • Single RJ45 port simplifies network integration
  • DIN rail mounting fits standard control cabinets

Specifications

No published specifications for this item yet.

Questions about this item

How much heat does the 1794-AENT produce when running continuously on a DIN rail?

The adapter draws 24 VDC and connects at 10/100 Mbps through a single RJ45 port, so power draw stays low and passive cooling on the rail is sufficient for all-day operation.

What power supply must I already have to run this 24 VDC adapter?

A 24 VDC source capable of feeding the adapter and up to eight Flex I/O modules through the backplane is required before installation.

Will the 10/100 Mbps RJ45 link work with my older Cat.5 cabling?

Yes, the port is specified for Ethernet cable RJ45 Cat.5, so existing Cat.5 runs will carry the Ethernet/IP traffic at 10 or 100 Mbps without rewiring.

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