Allen-Bradley 1768-CNBR Compactlogix L4X Redundant Cnet Module
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Manufacturer AB-CMX
Mfg Catalog # 1768-CNBR
North Coast Part # 485944


  • Include autocalibration of inputs
  • Provide optical isolation
  • Include contact output modules
  • Offers open socket capability that allows support for Modbus TCP as well as devices such as printers, barcode readers and servers
  • Integrate with 1769 Compact I/O™ modules
  • Includes a built-in RS-232 serial port on every 1769-L3x controller
  • Direct 1769 platform connection to PowerFlex® drives and other devices through Compact I/O™ to DPI/SCANport™ and Compact I/O to DSI/Modbus modules
  • Require SERCOS interface modules for motion
  • Includes individual point diagnostic status indicators to ease troubleshooting
  • Provides support for Device Level Ring (DLR) network topologies to help increase network resiliency
  • Offers flexible user memory options
  • Offer direct connection
  • Provides up to 16 axes of Integrated Motion over EtherNet/IP
  • Includes a 1769-SDN communication interface module for I/O control and remote device configuration over DeviceNet
  • Provides seamless bridging with data control and collection over the same network
  • Include 8…32 points per module
  • Simplify your system architecture with distributed I/O over EtherNet/IP
  • Allow control migrations with re-use of existing 1769 I/O
  • Support seamless bridging with data control and collection over the same network
  • Offer a variety of AC and DC voltages
  • Does not require a chassis
  • Provides ability to connect with scaled HMI options from the PanelView™ Plus portfolio to PanelView 800 graphic terminals for simple features
  • Require a chassis
  • Provide individually configurable channels
  • Permit on-line editing, forcing and other standard activities while securely isolating safety functionality (L4xS controllers only)
  • Delivers standard, safety and motion control for On-Machine™ applications
  • Include ability to direct output device operation during an abnormal condition
  • Support SIL 3, PLe integrity (L4xS controllers only)
  • Address reserve, ASCII, Boolean control, and high-speed counter modules available
  • Offers a smaller form factor for maximized cabinet space
  • Offers built-in communication ports for EtherNet/IP or ControlNet networks
  • Available with conformal coating
  • Ideal for small, to mid-size applications that require low axis motion and I/O point counts
  • Offer analog, thermocouple, and RTD modules
  • Include on-board scaling
  • Includes up to a 2-GB secure digital (SD) card for fast program save and restore
  • Offer input filtering
  • Prevents incorrect positioning of module with software keying
  • Provide integrated serial port
  • Integrates with 1769 Compact I/O™ modules
  • Include I/O packet rate of 10,000 pps
  • Provide high accuracy ratings
  • Offers support for Integrated Motion over EtherNet/IP™ for maximized scalability
  • Supports up to 2 axes Kinematics for simple articulated robotics
  • Provide dual Ethernet ports for both DLR and linear topologies
  • Provides flexibility with DIN rail or panel mounting options
  • Support single network strategy to EtherNet/IP TCP/CIP connection 96
  • Include high speed input modules
  • Provides integrated safety and integrated motion in a single controller
  • Include over-range and under-range detection and indication
  • Removes the need for lithium batteries with built-in energy storage
  • Let you control distributed I/O via EtherNet/IP, ControlNet, or DeviceNet
  • Offer selectable response to a broken input sensor
  • Lets you control distributed I/O via EtherNet/IP, ControlNet, or DeviceNet (select models only)
  • Supports integrated safety up to SIL 3, PLe CAT 4
  • Offer user memory options ranging 2 MB to 3 MB
  • Connects as many as three banks of Compact I/O™ to a controller; requires use of a communication adapter module and power supply


  • Sub Brand: CompactLogix
  • Type: Communication Module
  • Special Features: Standard
  • Communication: ControlNet
  • Isolation: 30V (continuous), functional insulation type Tested at 710V DC for 60 s, ControlNet port to system
  • Enclosure: None (open-style)
  • Display: Status LEDs
  • Connection Cables: Quad shield RG6 coaxial cable
  • Interface: 2 ControlNet BNC, 1 ControlNet RJ45
  • Mounting: DIN Rail / Panel mount
  • Height: 132mm, 5.2"
  • Width: 56.7mm, 2.23"
  • Depth: 105.1mm, 4.12"
  • Operating Temperature: 0...60 °C (32...140 °F)

Communication Modules

  • Communication Modules (L4x only platforms): ControlNet Redundant Bridge Module


UPC 61259830750
Item Long Description CompactLogix L4X Redundant CNet Module
GTiN 00612598307500
Width 2.23 in
Operating Temperature 0 To 60 C
Type 2-Channel, Redundant
Applications ControlNet
Mounting Type DIN Rail,Panel Mount
Depth 4.12 in
Height 5.2 in
Family Brand Name Allen Bradley
Number of Channels 2
Sub Brand CompactLogix
Number of Ports (2) ControlNet BNC, (1) ControlNet RJ45
Display Type Status LEDs

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