The 1769-CRR1 from ALLEN-BRADLEY is a specialized ControlNet Redundancy Module designed to enhance system uptime in CompactLogix-based automation architectures. This module enables seamless failover between primary and secondary controllers over a redundant ControlNet network, ensuring continuous operation in mission-critical applications such as assembly lines, material handling, and process control. By integrating the 1769-CRR1, engineers can achieve deterministic communication with minimal jitter, supporting both scheduled and unscheduled data exchanges. The module is fully compatible with standard CompactLogix chassis and requires no additional configuration beyond standard Rockwell Automation software tools like RSLogix 5000 or Studio 5000. Built for industrial environments, it operates reliably across wide temperature ranges and offers diagnostic LEDs for quick status indication.
| Specification |
Details |
| Product Type |
ControlNet Redundancy Module |
| Model Number |
1769-CRR1 |
| Network Protocol |
ControlNet (Coax or Fiber) |
| Compatible Controllers |
1769-L3x Series, 1769-L4x Series CompactLogix |
| Redundancy Mode |
Primary/Standby with automatic failover |
| Data Transfer Rate |
5 Mbps (ControlNet standard) |
| Maximum Nodes per Network |
99 (standard ControlNet) |
| Power Supply Requirements |
24V DC via backplane, 1.5W typical |
| 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 |
5 g Standard Models 10-500 Hz (operational) |
| Shock Resistance |
30 g (operational) |
| Enclosure Type |
Open-style, IP20 (installed in enclosure) |
| Dimensions (H x W x D) |
87 mm x 35 mm x 87 mm (3.43 in x 1.38 in x 3.43 in) |
| Weight |
Approx. 0.2 kg (0.44 lbs) |
| LED Indicators |
Module Status, Network Status, Redundancy Status |
| Certifications |
UL, CE, cUL, C-Tick, RoHS compliant |
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