Rockwell Automation Publication 2711P-UM006A-EN-P - November 2010 129
Terminal Connections Chapter 7
ControlNet Module
Terminals with a catalog number 2711P-RN15S or 2711P-RN15SK
communication module support ControlNet communication and the transfer of
applications between devices on a ControlNet network.
Additional Resources
For more information on ControlNet products, refer to these publications:
• NetLinx Selection Guide, publication NETS-SG001
• ControlNet Coax Media Planning and Installation Guide,
publication CNET-IN002
The Rockwell Automation website http://www.rockwellautomation.com
provides information and product descriptions of ControlNet products.
ControlNet Protocol
The terminals support Unscheduled and Scheduled messaging, Scheduled I/O,
and redundant cabling with PLC-5C and ControlLogix controllers.
The ControlNet architecture supports multiple processors and up to 99 nodes
(via taps) anywhere along the trunk cable of the network. There is no minimum
tap separation and you can access the ControlNet network from every node
(including adapters).
Compatible ControlNet Controllers
A PanelView Plus 6 terminal with a ControlNet module communicates with a
PLC-5C or ControlLogix controller using Unscheduled messaging:
• PLC-5C (PCCC commands)
• ControlLogix processor (CIP protocol)
These controllers are supported:
• ControlLogix with a 1756-CNB ControlNet module
• PLC-5/20C, PLC-5/40C, PLC-5/60C, PLC-5/80C
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