Allen-Bradley 1756-CN2 ControlLogix Communication Module
ControlLogix Communication Module, ControlNet, 1 ControlNet BNC Port, 5 Mbps Transmission Rate, 128 Logix Communication Connections, 99 Nodes Max
Description
Allen-Bradley 1756-CN2 is a ControlLogix chassis-based communication module for ControlNet networks.
- Product family: ControlLogix
- Product type: Communication Module
- Communication: ControlNet
- Interface: 1 ControlNet BNC port
- Transmission rate: 5000 kbps
- Logix communication connections: 128
- Maximum supported connections: 131
- Maximum nodes: 99
- Current draw: 1100 mA at 5.1V DC, 3 mA at 24V DC
- Power dissipation: 5.6 W
- Thermal dissipation: 19.1 BTU/h
- Module location: Chassis-based, any slot
- Enclosure type rating: None (open-style)
- ControlNet cable: 1786-RG6 quad shield RG6 coaxial cable
Official Rockwell Automation sources list the 1756-CN2 lifecycle status as Active Mature. No official direct replacement was identified for this catalog number because the product remains active.