| UPC | 10612598174079 |
| Brand | Allen-Bradley |
| Series | ControlLogix |
| UNSPSC | 32151705 |
| Weight | 0.57 pounds (0.26 kilograms) |
| Slot width | 1 |
| Module Type | Bridge Module |
| Manufacturer | Industrial Automation |
| Configuration | Standard |
| Input Current | 970 milliamps at 5.1 Volts DC, 1.7 milliamps at 24 Volts DC |
| Maximum Nodes | 99 |
| Power Dissipation | 5.1 Watts |
| Maximum Connections | 64 |
| Thermal Dissipation | 17.4 BTU per Hour |
| Programming Software | RSLOgix 5000; Studio 5000 Logix Designer |
| Part Number/Catalog No. | 1756-CNB |
| ControlNet Communication Rate | 5 megabits-second |
Does the Allen-Bradley 1756-CNB come with a warranty?
Yes. The 1756-CNB is backed by our 24-Month Replace Industrial Warranty, with no rush fees or hidden warranty charges. If a unit fails under normal use within the warranty period, we repair or replace it.
Is this 1756-CNB a genuine Allen-Bradley part?
The 1756-CNB is sourced and verified independently. Replace Industrial, LLC is not a Rockwell Automation Authorized Distributor, and all warranties are provided directly by Replace Industrial.
Is the Allen-Bradley 1756-CNB new or used?
We offer the 1756-CNB in multiple conditions, from unused surplus to professionally reconditioned units. Every option is sourced and verified independently and covered by our 2-year replacement warranty.
What are the key ratings of the 1756-CNB?
The 1756-CNB draws 970 milliamps at 5.1 Volts DC, 1.7 milliamps at 24 Volts DC.
What is the Allen-Bradley 1756-CNB?
The 1756-CNB is an Allen-Bradley ControlLogix 1756 Bridge Module.
1756-CNB
The Allen-Bradley 1756-CNB is a robust ControlLogix bridge module designed by Industrial Automation. It facilitates efficient communication at 5 megabits per second across 99 nodes with up to 64 connections. It requires 970mA at 5.1V DC, dissipates 17.4 BTU/hour, occupies a single slot, and is configured using RSLogix 5000 or Studio 5000 software.
All products are covered by our 2-Year (24-Month) Replace Industrial Warranty. If a unit is found defective under normal use within the warranty period, we repair or replace it at no additional cost, and a unit may be returned for a full refund within 30 days if returned in the same condition it was sent.
Replace Industrial is an independent distributor and does not convey the manufacturer's warranty; all warranties are provided by Replace Industrial alone. Read the full warranty policy
We repair a wide range of industrial automation equipment, including PLCs, HMIs, drives, servo motors, switches, and circuit breakers, with rush service for critical downtime. Request a quote, ship your unit, and we diagnose, repair, and return it. Request a repair quote
Our standard shipping method is UPS Ground. We can also ship on your FEDEX or DHL account.
We can ship many items our the same day via Overnight or 2 Day Shipping.
We currently only collect tax from customers in the state of North Carolina. If you are exempt on your purchase, please email your Sales Tax & Use Exemption Form to sales@replacenc.com.
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If you have already placed an order, please send us your form and we can refund the charged taxes.










