The 1768-CNB ALLEN-BRADLEY is a critical ControlNet bridge module engineered for the Logix5000 family, enabling transparent and deterministic data exchange between ControlNet networks and local backplane I/O. Designed for high-availability applications, this module supports redundant media operation and scheduled messaging, ensuring precise synchronization in time-critical processes such as assembly lines, material handling, and continuous processing. With its robust industrial-grade construction and diagnostic LEDs, the 1768-CNB provides immediate visibility into network status, while its dual RJ45 ports allow for easy network tap and troubleshooting without disrupting the control loop. Ideal for both new installations and upgrades, this module delivers reliable performance in harsh environments.
| Parameter |
Specification |
| Product Type |
ControlNet Bridge Module |
| Compatible Platforms |
CompactLogix 1768, ControlLogix 1756 |
| Network Protocol |
ControlNet (CIP) |
| Backplane Interface |
1768 Local Backplane (parallel) |
| Media Support |
Coaxial RG-6 (BNC) for ControlNet trunk |
| Redundancy |
Yes – supports redundant media and node |
| Communication Rate |
5 Mbps (ControlNet standard) |
| Maximum Nodes per Network |
99 nodes |
| Network Distance (without repeater) |
1000 meters (coax, per segment) |
| Diagnostic Ports |
2 x RJ45 (tap/status, RS-232 compatible) |
| LED Indicators |
Module Status, Network Status, Link Activity |
| Power Consumption |
5V DC Standard Models 1.2A (typical), 24V DC Standard Models 0.1A (isolated) |
| 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 |
| Certifications |
UL, CE, CSA, ATEX (Zone 2, Class I Div 2) |
| Mounting |
DIN rail or panel mount (with adapter) |
| Weight |
Approximately 0.3 kg (0.66 lbs) |
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