The 1756-CNBR ALLEN-BRADLEY ControlNet Bridge Module is a cornerstone of modern industrial automation systems, providing robust, deterministic communication over ControlNet networks. Engineered for the Rockwell Automation Logix 5000 family, this module bridges local backplane data to the ControlNet network, enabling seamless integration of controllers, I/O, drives, and other devices. With redundant media support and advanced error detection, the 1756-CNBR ensures uninterrupted data flow in mission-critical environments such as oil and gas, automotive manufacturing, and power generation. Its compact design and hot-swappable capability minimize downtime, while the comprehensive diagnostic suite allows for proactive maintenance. This module is ideal for applications requiring high availability and precise control synchronization across distributed control systems.
| Specification |
Details |
| Product Type |
ControlNet Bridge Module |
| Series |
ControlLogix 1756 |
| Network Protocol |
ControlNet (CIP-based) |
| Number of ControlNet Ports |
2 (Redundant Media Support) |
| Media Redundancy |
Yes (Dual Media, Independent) |
| Maximum Nodes per Segment |
99 |
| Data Rate |
5 Mbps (ControlNet Standard) |
| Communication Type |
Deterministic, Real-Time |
| Backplane Current Consumption (5V DC) |
1.0 A |
| Backplane Current Consumption (24V DC) |
2.0 mA (Typical) |
| Power Dissipation |
5.0 W (Maximum) |
| Thermal Dissipation |
17.0 BTU/hr (Maximum) |
| Operating Temperature Range |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature Range |
-40°C to 85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% (Non-Condensing) |
| Vibration Resistance |
2.0 g Standard Models 10-500 Hz (Operational) |
| Shock Resistance |
30 g (Operational) |
| Enclosure Type |
Open Style (Requires Panel or Cabinet) |
| LED Indicators |
Module Status, Network Status, Link Status (Port A & B), Diagnostic |
| Diagnostic Capabilities |
Network Statistics, Error Logs, Redundancy Status |
| Supported Chassis |
1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17, 1756-A20 |
| Hot-Swappable |
Yes (Under Specified Conditions) |
| Certifications |
UL, CSA, CE, ATEX (Zone 2), IECEx (Zone 2), Marine (ABS, DNV, Lloyds) |
| Weight |
0.30 kg (0.66 lb) |
| Dimensions (H x W x D) |
144 mm x 35 mm x 144 mm (5.67 in x 1.38 in x 5.67 in) |
| Warranty |
Standard 1-Year (Extended Options Available) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22