Rockwell Automation 1797-Series ControlNet Ex Media Plannng Installation Manual User Manual
Page 31
Publication CNET-IN003A-EN-P - January 2006
Plan a ControlNet Ex Media System 2-9
Cable Enters and Exits
From the Side
Barrel
Connector
In This Example, ControlNet Ex
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
20091m
Isolated-bulkhead
Connectors
Bullet Connector
Panel Wall
Taps
Right Angle
Connectors
ATTENTION
Do not let any metallic surfaces on the BNC
connectors, plugs, or optional accessories touch
grounded metallic surfaces. This contact could cause
noise on the network. All exposed metal must be
covered with either intrinsically-safe blue insulators
or another form of insulation, such as tape with a
500V rating.
TIP
If you install a bullet connector for future tap
installations, count the bullet as one of the tap
allotments on your segment (and decrease the
maximum allowable cable length by 16.3 m [53.5 ft]).
This helps you avoid reconfiguring your network
when you install the tap.
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