Contact us to request a specific version.
1756-CNB Allen-Bradley
Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The 1756-CNB is an Allen-Bradley ControlLogix communication module that serves as a ControlNet bridge, linking the ControlLogix backplane to a ControlNet network. It supports up to 40-48 Logix communication connections and a maximum of 64 bidirectional ControlNet connections, with up to 99 nodes. This single-slot module provides one BNC trunk-line port and one RJ-45 NAP port, enabling local programming and network communication. Typical use cases include distributed I/O, bridging ControlLogix racks to ControlNet, and enabling SCADA or HMI integration.
Best Suited For
- Linking ControlLogix chassis to ControlNet networks
- Distributed I/O applications using ControlLogix racks
- Bridging between ControlLogix backplane and ControlNet media
- Applications requiring up to 64 ControlNet connections