1734-AENTR
1734-AENTR
1734-AENTR
1734-AENTR
1734-AENTR
1734-AENTR
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    Apter Power reviews dual-port topology, firmware records, Series C identity, and sourcing condition.

1734-AENTR

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Allen-Bradley 1734-AENTR is a dual-port EtherNet/IP adapter with an embedded switch for linear, ring, star, or tree POINT I/O networks.
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Ships by Wednesday, October 28
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Technical specifications for 1734-AENTR

  • Manufacturer:
    Allen-Bradley
  • Part Number:
    1734-AENTR
  • Product Family:
    Point I/O 1734
  • Product Type:
    POINT I/O Dual-Port EtherNet/IP Adapter
  • Stock:
    1
  • Revision:
    Series C
  • Network:
    EtherNet/IP
  • Ethernet ports:
    2 embedded-switch ports
  • Communication rate:
    10/100 Mbps half or full duplex
  • Supported topologies:
    Star, Tree, Daisy-chain/Linear, Ring
  • POINTBus output:
    0.8 A at 5 V DC maximum
  • Weight:
    0.28 kg
  • Estimated shipping dimensions:
    7.98x7.38x13.31cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Ring Network Setup Dual-Port Diagnostics Product Applications

Features:

  • Embedded switch: two 10/100 Mbps EtherNet/IP ports
  • Topology range: ring and linear layouts plus star and tree
  • Station integration: chassis-size control and integrated POINTBus power
1734-AENTR is the dual-port EtherNet/IP adapter for POINT I/O stations that need through-network connectivity.

Its embedded switch supports ring and linear cabling that a single-port adapter cannot provide.

Network role, chassis size, firmware, and backplane current must be preserved as one configuration.

Availability of 1734-AENTR is subject to Apter Power inventory and sourcing confirmation.
Allen-Bradley 1734-AENTR POINT I/O Dual-Port EtherNet/IP Adapter Manuals and Product Resources
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Allen-Bradley 1734-AENTR POINT I/O Dual-Port EtherNet/IP Adapter Specs

General

  • ManufacturerAllen-Bradley
  • Model1734-AENTR
  • ConditionNew Original ready stock
  • Product FamilyPOINT I/O 1734
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Preserve the dual-port topology

  • Port order: document both Ethernet paths before removal.
  • Ring role: retain the approved device-level ring configuration.
  • Linear path: verify downstream devices after reconnecting the chain.
  • Recovery: test traffic with each planned cable condition.

Diagnose the embedded switch

  • Link states: review both ports instead of only the adapter status.
  • Addressing: confirm the approved IP and thumbwheel settings.
  • Chassis size: align the physical slots with the controller project.
  • Power budget: separate network symptoms from POINTBus capacity faults.

Supported product applications

  • Device-level rings: integrate a POINT I/O node into a resilient Ethernet path.
  • Linear networks: continue traffic through the adapter’s embedded switch.
  • Star or tree layouts: connect the dual-port node within switched architectures.
  • Station modernization: retain network and POINTBus evidence during adapter replacement.
Description
1734-AENTR connects a POINT I/O station through two 10/100 Mbps EtherNet/IP ports configured as an embedded switch. Rockwell Automation supports star, tree, daisy-chain or linear, and ring topologies for this dual-port adapter.

The integrated supply in 1734-AENTR powers the POINTBus segment to its right, while chassis-size configuration defines the adapter and installed I/O slot count. Expansion power supplies are used when the station requires additional modules or backplane current.

A Series C 1734-AENTR replacement should preserve network role, firmware support, IP-address method, chassis size, ring or linear cabling, and controller connections. Dual-port status and topology evidence distinguish this catalog from the single-port AENT adapter.
Revisions

Revision Part #

Also known as

1734-AENTR Series A
1734-AENTR/A, Series A
1734-AENTR Series B
1734-AENTR/B, Series B
1734-AENTR Series C
1734-AENTR/C, Series C
Alternative Names
Allen-Bradley 1734-AENTR Rockwell Automation 1734-AENTR AB 1734-AENTR 1734AENTR 1734 AENTR POINT I/O 1734-AENTR dual-port adapter
Technical notes
The main integration risk for 1734-AENTR is replacing a dual-port ring or linear node without preserving its network role. Confirm Series C, both RJ45 paths, supported firmware, IP address, chassis size, device-level ring settings, controller connections, POINTBus current budget, field power, cable order, and status indicators before enabling traffic.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How should both Ethernet ports of 1734-AENTR be documented before a ring-node replacement?
Record cable origin and destination, port order, link state, ring supervisor context, IP settings, and the expected downstream path before disconnection.
What can cause a linear network to stop downstream of 1734-AENTR while the local I/O still operates?
Investigate the second-port link, cable, connector, embedded-switch path, topology settings, and downstream device before treating the POINTBus as failed.
How does the POINTBus capacity of 1734-AENTR affect a large station?
Its integrated output must cover the modules to the right until an expansion supply creates a new segment; calculate current independently of Ethernet connections.
Can 1734-AENTR be replaced by 1734-AENT in a device-level ring?
No. The single-port catalog cannot preserve the dual-port embedded-switch and ring or linear network path required by the installation.
Which configuration mismatch can prevent 1734-AENTR from making I/O connections after power-up?
An incorrect chassis size, module layout, firmware relationship, IP address, or controller definition can block or disrupt the expected connections.
How should a technician test 1734-AENTR after restoring a redundant network path?
Verify both port links, ring health, controller connections, chassis modules, POINTBus status, and communication during the approved cable-fault recovery test.

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