2-12
Planning A ControlNet Cable System
Publication 1786-6.2.1 - April 1988
Determining What Type
Of Connectors You Need
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Use this BNC connector:
To:
Cat. No.
cable connector
attach trunk-cable sections to a tap’s BNC connector
1786-BNC
Use this optional BNC connector:
To:
Cat. No.
bullet (jack-to-jack)
reserve a space in the trunk cable for future installation
of a tap or to splice a trunk cable
1786-BNCJ
barrel (plug-to-plug)
connect two adjacent taps without a trunk-cable section
between them
1786-BNCP
isolated-bulkhead
(jack-to-jack)
go through grounded panel walls while maintaining the
shield isolation of the trunk-cable.
1786-BNCJI
tap dummy load
cap off installed taps that have yet to be connected to a
node
1786-TCAP
right angle (jack-to-plug)
provide a 90û bend in your cable (prevent bending your
cable excessively).
See Chapter 3 for the bend radius specification.
See the Allen-Bradley
ControlNet Cable
System Component List
(publication AG-2.2) for
the part number.
cable enters and
exits from the side
barrell
connector
In this example, ControlNet cable:
•
enters and exits the panel enclosure
from the side using
isolated-bulkhead connectors
•
contains two adjacent taps
connected by a barrel connector
•
reserves one future tap location
with a bullet connector
•
makes a sharp bend with a right
angle connector
20091-m
isolated-bulkhead
connectors
bullet connector
panel wall
taps
right angle
connectors
$77(17,21
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