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Allen Bradley ControlLogix 1756-CN2

Product image is representative; revision or series may vary. Contact us to request a specific version.

1756-CN2

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Allen Bradley ControlLogix Bridge Module with 99 Maximum Nodes

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1756-CN2

ManufacturerAllen Bradley
CategoryPLCs
Product LineControlLogix
Part Number1756-CN2
UPC612598324422
Weight0.31 lbs (0.14 kg)
Module TypeBridge Module
Maximum Nodes99
Maximum Connections131
ControlNet Communication Rate5 megabits-second
ConfigurationStandard
Input Current1100 milliamps at 5.1 Volts DC, 3 milliamps at 24 Volts DC
Thermal Dissipation19.1 BTU per hour
Power Dissipation5.6 Watts
Slot width1
UNSPSC32151705
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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.

Revision Part #Also known as
1756-CN2 Ser A1756-CN2/A, Series A, Rev A
1756-CN2 Ser B1756-CN2/B, Series B, Rev B
1756-CN2 Ser C1756-CN2/C, Series C, Rev C
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