Allen-Bradley 1756 CN2, CN2R, CN2RK, CN2RXT, CNB, CNBR, 1768 CNB, CNBR ControlNet Module Installation Instructions

Below you will find brief information for ControlNet Module 1756 CN2R, ControlNet Module 1756 CN2RXT, ControlNet Module 1756 CN2RK, ControlNet Module 1768 CNB, ControlNet Module 1768 CNBR. These modules are designed to provide communication between the ControlLogix controller and other devices on the ControlNet network. They can be used in a variety of industrial applications, including factory automation, process control, and machine control. The modules feature a variety of features, including redundant media support, automatic keeper crossload, and a USB port for programming and configuration.

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Allen-Bradley ControlNet Module 1756 CN2R Installation Instructions | Manualzz

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Key features

  • Redundant media support
  • Automatic keeper crossload
  • USB port for programming and configuration
  • Support for ControlLogix-XT systems
  • Support for traditional ControlLogix components
  • Grounding considerations for secure operation
  • Compliance with hazardous location approvals
  • Environment and enclosure requirements

Frequently asked questions

Consult ControlNet Network Configuration User Manual, publication CNET-UM001 for details on using ControlNet communication modules with Logix5000 controllers and how to communicate with other devices on the ControlNet network.

Refer to Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1, for additional installation requirements. Consult NEMA Standard 250 and IEC 60529 for explanations on the degrees of protection provided by enclosures.

This product is grounded through the DIN rail to chassis ground. Ensure proper grounding by using zinc-plated yellow-chromate steel DIN rail. Secure DIN rail to the mounting surface approximately every 200 mm (7.87 in.) and utilize end-anchors appropriately.
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