Industrial networking & remote I/O

Allen-Bradley 1794-AENT/B FLEX I/O EtherNet/IP Adapter

Name: Allen-Bradley 1794-AENT/B Series B FLEX I/O EtherNet/IP Adapter FW 4.004
Brand: Allen-Bradley
SKU: BS-AB-1794-AENT-B-4004
Price: 199.00 AUD
Availability: SoldOut

Manufacturer: Rockwell Automation · Model / MPN: 1794-AENT · Series B · Factory label: FW 4.004 · BenchSpec reference: BS-AB-1794-AENT-B-4004

Actual Allen-Bradley 1794-AENT Series B FLEX I/O EtherNet/IP adapter from the factory FW 4.004 group — Representative adapter from the matched factory-FW-4.004 group. Select a photograph to view full size.

Front of Allen-Bradley 1794-AENT adapter showing status indicators, address thumbwheels and power terminals — Front controls and fitted terminals

Allen-Bradley 1794-AENT side label showing Series B, firmware 4.004, 24 V DC ratings and Singapore origin — Model, Series B and FW 4.004 label

Rockwell web diagnostics showing 1794-AENT/B identity and product revision 4.004 Build 2 — Representative built-in web diagnostics

Sold

Series B FLEX I/O network adapter · factory FW 4.004

The EtherNet/IP communication head for an Allen-Bradley FLEX I/O remote station. This retained record covers five matched 2022-production adapters that were sold individually, with network access verified through each unit’s built-in Rockwell diagnostics.

Network: 10/100 Mbps
Capacity: Up to 8 modules
Input: 24 V DC

Clean used condition. Each adapter was factory reset, powered at 24 V DC and accessed successfully through its built-in Rockwell web diagnostics over Ethernet.

A$199 each

Last asking price per unit · AUD

Questions about this item? sales@benchspec.com.au

This item group is no longer available.

Catalogue reviewed 2 November 2026.

Technical specifications

Manufacturer data and recorded group configuration
Manufacturer	Allen-Bradley / Rockwell Automation
Product family	FLEX I/O
Model / MPN	1794-AENT / 1794-AENT/B
Equipment type	FLEX I/O EtherNet/IP network / remote-I/O adapter
Hardware series	Series B
Factory firmware label	4.004
Ethernet interface	1 × RJ45 · EtherNet/IP 10/100 Mbps
FLEX I/O capacity	Up to 8 modules
Nominal input	24 V DC
Input label rating	24 V DC · 440 mA
FLEXbus output label rating	5.1 V DC · 640 mA
Manufacturer dimensions	Approximately 87 × 94 × 69 mm (H × W × D)
Manufacturer product weight	Approximately 180 g
Manufacture era	2022 labels observed in this group
Country of origin	Singapore
Sold quantity	5 units · sold individually
BenchSpec reference	BS-AB-1794-AENT-B-4004 · Audit 5038-3037070-FW4004

FLEX I/O network application

The 1794-AENT is the EtherNet/IP communication adapter for an Allen-Bradley FLEX I/O station. It connects digital, analogue and other FLEX I/O modules to an industrial EtherNet/IP network in Rockwell PLC and remote-I/O systems.

Condition & verification

Clean used industrial condition. The external housings, address thumbwheels and fitted power-terminal hardware are complete, with no material housing damage identified in the saleable group photographs.

Each adapter was factory reset, powered at 24 V DC and accessed through its built-in Rockwell web diagnostics over Ethernet. The representative diagnostic capture reports 1794-AENT/B identity and product revision 4.004 Build 2.

This verification confirms powered startup and TCP/IP access to the adapter diagnostics; no commissioned PLC I/O session was performed.

Original sale configuration

1 × Allen-Bradley 1794-AENT Series B adapter from the factory-FW-4.004 group
Fitted power-terminal hardware shown on the supplied unit

FLEX I/O terminal bases, I/O modules, external 24 V DC power supply and Ethernet cable are not included.