Connecting to the network using a tap – Rockwell Automation 1756-CNB ControlLogix ControlNet Bridge Module Installation Instructions User Manual
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Publication 1756-IN571B-EN-P - April 2001
Connecting to the Network Using a Tap
Perform the following steps to connect the module to the network
using a tap.
1. Remove and save the dust cap(s) from the ControlNet tap(s).
2. Connect the tap’s straight or right-angle connector to the
module’s BNC connector.
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.
If your node supports
Connect the tap’s connector
non-redundant media
(1756-CNB)
to the channel A connector on the module
(channel B on the 1756-CNBR is not used)
(1)
(1)
While both channels are active, Rockwell recommends using channel A for non-redundant media.
redundant media
•from trunkline A to channel A on the 1756-CNBR
•from trunkline B to channel B on the 1756-CNBR
Dust Cap
Segment 1
Segment 2
Dust Cap
1756-CNB - segment 1
1756-CNBR - segments 1 and 2