1756-CN2 | Allen-Bradley ControlLogix ControlNet Dual Capacity Bridge Module
1756-CN2 | Allen-Bradley ControlLogix ControlNet Dual Capacity Bridge Module
1756-CN2 | Allen-Bradley ControlLogix ControlNet Dual Capacity Bridge Module
    1756-CN2 | Allen-Bradley ControlLogix ControlNet Dual Capacity Bridge Module
1756-CN2 | Allen-Bradley ControlLogix ControlNet Dual Capacity Bridge Module

1756-CN2 | Allen-Bradley ControlLogix ControlNet Dual Capacity Bridge Module

Part #: 1756-CN2 Manufactured by: Allen-Bradley
$614.00
$614.00
4 in Stock
Condition: New-Surplus Original Box
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Product Overview
"Allen-Bradley 1756-CN2 ControlLogix ControlNet Dual Capacity Bridge Module (100 connections) bridges ControlNet links to ...  Read more
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Product Description P/N: 1756-CN2

Description / Specifications

Description 

Allen Bradley ControlLogix Bridge Module with 99 Maximum Nodes.

 

Technical Specifications 

 

Brand Allen-Bradley
Series ControlLogix
Part Number 1756-CN2
Manufacturer Rockwell Automation
Module Type Bridge Module
Maximum Nodes 99
Maximum Connections 131
ControlNet Communication Rate 5 megabits-second
Configuration Standard
Input Current 1100 milliamps at 5.1 Volts DC, 3 milliamps at 24 Volts DC
Thermal Dissipation 19.1 BTU per hour
Power Dissipation 5.6 Watts
Slot width 1

  

 

Information About 1756-CN2

The 1756-CN2 ControlNet Communication Bridge Module by Allen-Bradley is a communication module for ControlLogix devices. It offers the ControlNet Network and uses the CIP and the P2P network for high-speed performance. It uses a standard configuration with a 5Mbps communication speed and has a communication capacity of up to 100 Logix connections. The 1756-CN2 can also support a maximum of 128 connections with 99 redistribution points (nodes). It has an electrical rating of 1100mA draw current at 5.1V DC and one of 3.0A at 24V DC and it has an operational power dissipation of 5.6W, with a thermal dissipation of 19.1 BTU/hr.

The 1756-CN2 has an isolation voltage of 30V with a basic insulation type that is tested at 500V for 60s between ControlNet to System. It has a single slot width and it can be installed in any slot on the chassis. It has a ControlNet BNC, a ControlNet RJ45, and a USB 1.1 port and it uses the Quad shield RG6 coaxial ControlNet cable. It has a T4A designated temperature code in North America and an IEC T4 designation code in Europe and it comes in an open-style enclosure. The 1756-CN2 has a functional temperature margin between 0 and 60 °C and it operates best at a relative humidity range of 5-95% with condensation. It has an operational vibration of 2.0G at 10-500Hz and its operational shock rate is up to 30G.



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 1756-CN2
Question: What is the 1756-CN2 used for?
Date Update:05/06/2025
Answer:

The is a communication interface module for Allen-Bradley ControlLogix PLCs. It provides Ethernet/IP communication capabilities, allowing the ControlLogix system to communicate with other devices or networks that support Ethernet/IP, including PLCs, HMIs, remote I/O systems, and other industrial equipment.

Question: What kind of devices can I connect to using the 1756-CN2 module?
Date Update:05/06/2025
Answer:

The 1756-CN2 can connect to a variety of devices that use the Ethernet/IP protocol, including:

  • Other PLCs (from Allen-Bradley or other manufacturers with Ethernet/IP support)
  • Remote I/O devices
  • HMIs (Human-Machine Interfaces)
  • Drives and motors that support Ethernet/IP
  • Vision systems, sensors, and other industrial devices compatible with Ethernet/IP.
Question: How do I install the 1756-CN2 module in a ControlLogix chassis?
Date Update:05/06/2025
Answer:

The module is installed in a ControlLogix chassis (such as the 1756 chassis) by sliding the module into one of the chassis slots. Once in place, ensure the module is properly seated, then secure it with the provided screws. After physical installation, it will need to be configured in RSLogix 5000 (or Studio 5000) for proper operation.

Question: How do I reset the 1756-CN2 module?
Date Update:05/06/2025
Answer:

If you need to reset the 1756-CN2, you can either power cycle the module by removing and reconnecting the power to the ControlLogix system or, in some cases, reset the module via software. Resetting the module will clear any network configuration and error states, so make sure you have backups of your settings.

Question: Can I use the 1756-CN2 in high-speed applications?
Date Update:05/06/2025
Answer:

Yes, the 1756-CN2 module is designed to support high-speed communication, making it suitable for applications that require real-time control or high-frequency data exchange. It supports 100 Mbps Ethernet speeds and is ideal for high-performance applications.

IQElectro is not an authorized distributor.
IQElectro 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 

Allen Bradley ControlLogix Bridge Module with 99 Maximum Nodes.

 

Technical Specifications 

 

Brand Allen-Bradley
Series ControlLogix
Part Number 1756-CN2
Manufacturer Rockwell Automation
Module Type Bridge Module
Maximum Nodes 99
Maximum Connections 131
ControlNet Communication Rate 5 megabits-second
Configuration Standard
Input Current 1100 milliamps at 5.1 Volts DC, 3 milliamps at 24 Volts DC
Thermal Dissipation 19.1 BTU per hour
Power Dissipation 5.6 Watts
Slot width 1

  

 

Information About 1756-CN2

The 1756-CN2 ControlNet Communication Bridge Module by Allen-Bradley is a communication module for ControlLogix devices. It offers the ControlNet Network and uses the CIP and the P2P network for high-speed performance. It uses a standard configuration with a 5Mbps communication speed and has a communication capacity of up to 100 Logix connections. The 1756-CN2 can also support a maximum of 128 connections with 99 redistribution points (nodes). It has an electrical rating of 1100mA draw current at 5.1V DC and one of 3.0A at 24V DC and it has an operational power dissipation of 5.6W, with a thermal dissipation of 19.1 BTU/hr.

The 1756-CN2 has an isolation voltage of 30V with a basic insulation type that is tested at 500V for 60s between ControlNet to System. It has a single slot width and it can be installed in any slot on the chassis. It has a ControlNet BNC, a ControlNet RJ45, and a USB 1.1 port and it uses the Quad shield RG6 coaxial ControlNet cable. It has a T4A designated temperature code in North America and an IEC T4 designation code in Europe and it comes in an open-style enclosure. The 1756-CN2 has a functional temperature margin between 0 and 60 °C and it operates best at a relative humidity range of 5-95% with condensation. It has an operational vibration of 2.0G at 10-500Hz and its operational shock rate is up to 30G.



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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