Rockwell Automation Publication 1769-UM011H-EN-P - April 2012 33
Install the 1769-L3x Controllers Chapter 2
The figure shows an example ControlNet network using redundant media.
When connecting the CompactLogix controller to a ControlNet network, also
refer to the following documentation:
• ControlNet Coax Tap Installation Instructions, publication 1786-IN007
• ControlNet Coax Media Planning and Installation Guide, publication
CNET-IN002
• ControlNet Fiber Media Planning and Installation Guide, publication
CNET-IN001
Connect the Controller to the Network via a ControlNet Tap
Typically, ControlNet taps are used to make permanent connections from the
CompactLogix controller to the network. Perform the following steps to connect
the module to the network by using a ControlNet tap.
Item Description
1 ControlNet node
2 Redundant media available on 1769-L35CR only
3 ControlNet link
For network connections we recommend taps with a straight connector
(catalog number 1786-TPS or 1786-TPYS) because of the location of the BNC
connectors on the bottom of the module.
ATTENTION: Do not allow any metal portions of the tap to contact any
conductive material.
If you disconnect the tap from the module, place the dust cap back on the straight
or right angle connector to prevent the connector from accidentally contacting a
metallic grounded surface.
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