Rockwell Automation 1797-TCAP ControlNet Ex Tap Dummy Load Installation User Manual
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ControlNet Ex Tap Terminator Installation Instructions
1797-5.30 - September 1999
Certified Equivalent ControlNet Ex System Diagram Items
You may use these items as equivalents for the items shown on the system
diagram.
ControlNet Ex
Tap
1797-TPx
ControlNet Ex Coax
Tap
Four types of connections
available: S (straight t-tap), R
(right angle t-tap), YS (straight
y-tap), and YR (right angle
y-tap) - a maximum of 48
taps can be connected
together by coax trunk cable
CNet Ex Trk Trm 1797-XT
ControlNet Ex Trunk
Terminator
Simple resistor (75
Ω
) with
coax connector that must be
on each end of the ControlNet
Ex coax trunk for termination
Coax Trunk
Cable
1797-RG6
Quad-Shield, RG-6
75
Ω
Coax Trunk
Cable
Maximum (functional) length
between 2 1797-TPx is
3280ft (1000m) - each
1797-TPx reduces the
(functional) coax cable length
by 53.4ft (16.3m)
None
None
Standard Coax Trunk
Cable BNC Couplers
Different standard cable
couplers, 90
o
, 180
o
, etc.
System Diagram Name
Catalog Number
Source
Coax Trunk Cable
1797-RG6
Allen-Bradley
3092A
1
Belden Wire & Cable Co.
3092A with blue jacket
Belden Wire & Cable Co.
1
Belden Wire & Cable 1189A may be used, but with functional loss of communication
distance and/or nodes.
System
Diagram Name
Catalog
Number
Catalog Name
Description