Rockwell Automation 1756-CN2_CN2R, Series B ControlLogix ControlNet Interface Module - Manual (Page 15)

ControlLogix ControlNet Interface Module 15
Publication 1756-IN607A-EN-P - February 2008
Connect the Module to the Network by Using a Tap
To connect the module to the network with a tap, perform this
procedure.
1. Remove and save the dust caps from the ControlNet taps.
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.
Segment 1 Segment 2
Dust Cap
Dust Cap
1756-CN2 - Segment 1
1756-CN2R - Segments
1 and 2
2. Connect the tap’s straight or right-angle connector to the
module’s BNC connector.
If your node supports Then connect the tap’s connector
Non-redundant media
(1756-CN2 module)
To the channel A connector on the module
Channel B on the 1756-CN2R module is not used for
non-redundant media
Redundant media
ATTENTION
•
From trunkline A to channel A on the 1756-CN2R module
•
From trunkline B to channel B on the 1756-CN2R module