The 1756-CNB ALLEN-BRADLEY is a high-performance ControlNet Bridge Module engineered for the ControlLogix platform. It acts as the gateway between the ControlNet network and the local backplane, enabling deterministic, real-time data exchange for distributed automation systems. This module supports both redundant and non-redundant ControlNet configurations, ensuring maximum uptime in critical industrial applications. With its robust design, the 1756-CNB handles network scheduling, message routing, and I/O data transfer with minimal latency, making it a cornerstone for scalable, high-availability control networks.
| Parameter |
Specification |
| Product Type |
ControlNet Bridge Module |
| Compatible Platform |
ControlLogix 1756 Series |
| Network Interface |
Coaxial BNC (RG-6) for ControlNet |
| Number of Ports |
2 (A and B channels for redundant media) |
| Data Rate |
5 Mbps (ControlNet standard) |
| Maximum Nodes |
99 nodes per network segment |
| Backplane Current Draw |
1.0 A at 5.1 VDC (typical) |
| Power Dissipation |
5.1 W (maximum) |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% non-condensing |
| Module Keying |
Electronic keying (compatible with standard 1756 backplane) |
| LED Indicators |
Status, Network Activity, Module OK, Channel A/B |
| Dimensions (H x W x D) |
144 mm x 35 mm x 105 mm (5.67 in x 1.38 in x 4.13 in) |
| Weight |
Approximately 0.25 kg (0.55 lb) |
| Certifications |
CE, UL, CSA, ATEX (Class I, Div 2) |
| Warranty |
1 year (defects in materials and workmanship) |
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