1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
    1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
    1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
    1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors
1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors

1785-ENET | Allen-Bradley EtherNet/IP Expansion Module for PLC-5 Processors

Part #: 1785-ENET Manufactured by: Allen-Bradley
Regular price
$399.34
Sale price
$399.34
Regular price
$487.00
10 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
Allen Bradley PLC 5 Communication Module, EtherNet/IP Communication Port Protocol, Process Messages Operation, Direct Conn...  Read more
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Product Description P/N: 1785-ENET

Description / Specifications

Description 

The Allen-Bradley 1785-ENET is an Ethernet communication module designed for PLC-5 controllers. It provides Ethernet connectivity for data exchange, programming, and monitoring of automation systems.

 

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1785-ENET
Backplane Current 1.0 A @ 5V dc
Power Dissipation 5 W
Heat Dissipation 17.06 BTU/hr
No. of Ports One (1) RJ45 Ethernet interface
Transmission speed 10/100 Mbps
Module Type Communication Module
Description PLC-5 EtherNet/IP Interface Module
Communication Port Protocol EtherNet/IP
Status Indicators STAT 10M 100M
Operation Process Messages
Communication w/ PLC Processor Direct Connection to Channel 3 of PLC-5 Processor
LEDs 1 Diagnosis/Status Per Channel
Max Modules Per System 4
Coating Conformal Coat
Required External Power None
Typical AC Signal Delay (Off) 29 (+/- 8) ms
Typical DC Signal Delay (Off) 30 (+/- 7) ms
Wiring Arm 1771-WN
Dimensions 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)
Series A, B and C

  

 

Information About 1785-ENET

The 1785-ENET is part of the Allen-Bradley PLC-5 communication family, developed to expand connectivity options for legacy control systems. This module enables PLC-5 controllers to connect to Ethernet networks, supporting peer-to-peer communication, SCADA integration, and programming access from engineering workstations. It operates with standard Ethernet protocols and integrates with Allen-Bradley controllers and FactoryTalk software for supervisory and control applications. The 1785-ENET is installed directly into a PLC-5 processor slot and provides front-panel indicators for network and module status. Designed for industrial environments, it ensures robust and reliable data communication in legacy systems requiring Ethernet connectivity.

Key Features:

  • Design: Ethernet communication module for PLC-5 systems.
  • Connectivity: Provides Ethernet port for peer-to-peer and SCADA communication.
  • Compatibility: Integrates with Allen-Bradley PLC-5 processors and FactoryTalk software.
  • Functionality: Supports programming, monitoring, and data exchange.
  • Diagnostics: Equipped with front-panel LED indicators for network and module status.
  • Installation: Mounts directly into PLC-5 processor slots.
  • Reliability: Provides robust and stable Ethernet communication in industrial environments.
  • Application Range: Suitable for legacy system modernization, process automation, and factory networking.

The 1785-ENET delivers the connectivity and reliability required for integrating PLC-5 systems into Ethernet-based industrial networks.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1785-ENET
Question: What is the 1785-ENET module?
Date Update:28/05/2025
Answer:

The 1785-ENET is an Ethernet communication interface module used with PLC-5 controllers. It allows the PLC-5 to communicate over an Ethernet/IP network, enabling data exchange with other devices such as HMIs, SCADA systems, remote I/O modules, and other Ethernet-enabled devices. The module supports high-speed communication, making it ideal for industrial automation systems.

Question: What is the maximum cable length for the 1785-ENET module?
Date Update:28/05/2025
Answer:

The 1785-ENET module supports Ethernet cabling standards. The maximum cable length for Cat 5 Ethernet cables (standard twisted pair cables) is 100 meters (328 feet) for reliable communication. For longer distances, additional networking equipment like Ethernet repeaters or switches may be required.

Question: How do I monitor network traffic for the 1785-ENET module?
Date Update:28/05/2025
Answer:

You can monitor network traffic using Ethernet diagnostic tools or network analyzers such as Wireshark. These tools allow you to capture Ethernet packets and analyze communication between devices on the network, including the 1785-ENET module. You can also use RSLogix 5 or Studio 5000 to check the communication status and error logs for the module.

Question: Can I use the 1785-ENET with a wireless network?
Date Update:28/05/2025
Answer:

The 1785-ENET module supports Ethernet/IP communication, but it is designed for wired Ethernet connections. To use it in a wireless network, you would need to use a wireless Ethernet bridge or access point to convert the wired Ethernet communication into wireless signals. However, keep in mind that using wireless networks may introduce latency and potential communication reliability issues in real-time control applications.

Question: Can the 1785-ENET module be used for remote I/O applications?
Date Update:28/05/2025
Answer:

Yes, the 1785-ENET module can be used to communicate with remote I/O devices over the Ethernet/IP network. It can enable data exchange between the PLC-5 controller and remote I/O systems, allowing for flexible and scalable automation systems that can be spread across large facilities or connected to various devices.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Allen-Bradley 1785-ENET is an Ethernet communication module designed for PLC-5 controllers. It provides Ethernet connectivity for data exchange, programming, and monitoring of automation systems.

 

 

Technical Specifications 

Brand Allen-Bradley
Manufacturer Rockwell Automation
Part Number 1785-ENET
Backplane Current 1.0 A @ 5V dc
Power Dissipation 5 W
Heat Dissipation 17.06 BTU/hr
No. of Ports One (1) RJ45 Ethernet interface
Transmission speed 10/100 Mbps
Module Type Communication Module
Description PLC-5 EtherNet/IP Interface Module
Communication Port Protocol EtherNet/IP
Status Indicators STAT 10M 100M
Operation Process Messages
Communication w/ PLC Processor Direct Connection to Channel 3 of PLC-5 Processor
LEDs 1 Diagnosis/Status Per Channel
Max Modules Per System 4
Coating Conformal Coat
Required External Power None
Typical AC Signal Delay (Off) 29 (+/- 8) ms
Typical DC Signal Delay (Off) 30 (+/- 7) ms
Wiring Arm 1771-WN
Dimensions 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)
Series A, B and C

  

 

Information About 1785-ENET

The 1785-ENET is part of the Allen-Bradley PLC-5 communication family, developed to expand connectivity options for legacy control systems. This module enables PLC-5 controllers to connect to Ethernet networks, supporting peer-to-peer communication, SCADA integration, and programming access from engineering workstations. It operates with standard Ethernet protocols and integrates with Allen-Bradley controllers and FactoryTalk software for supervisory and control applications. The 1785-ENET is installed directly into a PLC-5 processor slot and provides front-panel indicators for network and module status. Designed for industrial environments, it ensures robust and reliable data communication in legacy systems requiring Ethernet connectivity.

Key Features:

  • Design: Ethernet communication module for PLC-5 systems.
  • Connectivity: Provides Ethernet port for peer-to-peer and SCADA communication.
  • Compatibility: Integrates with Allen-Bradley PLC-5 processors and FactoryTalk software.
  • Functionality: Supports programming, monitoring, and data exchange.
  • Diagnostics: Equipped with front-panel LED indicators for network and module status.
  • Installation: Mounts directly into PLC-5 processor slots.
  • Reliability: Provides robust and stable Ethernet communication in industrial environments.
  • Application Range: Suitable for legacy system modernization, process automation, and factory networking.

The 1785-ENET delivers the connectivity and reliability required for integrating PLC-5 systems into Ethernet-based industrial networks.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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