1756-cn2r
Part Number: 1756-cn2r
The Allen-Bradley 1756-CN2R is a ControlLogix Communication Module designed for high-speed, redundant ControlNet network communication. It supports up to 99 nodes, features two ControlNet BNC ports, and is suitable for demanding industrial automation environments.
Specifications
| Communication | ControlNet |
| Number of Channels | 2 |
| Redundancy | Yes |
| Transmission Rate | 5000 kbps |
| Logix Communication Connections | 128 |
| Power Dissipation | 6.7 W |
| Thermal Dissipation | 22.9 btu/h |
| ControlNet Ports | 2 BNC |
| Max Nodes | 99 |
| Current Draw | 1300mA @ 5.1V DC, 3mA @ 24V DC |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 85 °C |
| Relative Humidity | 5...95% noncondensing |
| Weight | 0.54 kg |
| Enclosure Type | None (open-style) |
| Slot Width | 1 |