Rockwell Automation 1797-ACNR15 ControlNet Ex Redundant Media Adapter User Manual
Page 17

ControlNet Ex Redundant Media Adapter 17
Publication
1797-5.14 - March 2010
CNet Ex Tap Trm 1797-TCAP
ControlNet Ex Tap
(Dummy) Terminator
Represents one ControlNet Ex
node and is a simple capacitor
(56 pF) with a coax connector
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 1786-RG6
Quad-Shield, RG-6
75
Ω Coax Trunk
Cable
Maximum (functional) length
between 2 1797-TPx is 1000 m
(3280 ft) - each 1797-TPx
reduces the (functional) coax
cable length by 16.3 m (53.4 ft)
None
None
Standard Coax Trunk
Cable BNC Couplers
Different standard cable
couplers, such as 90
o
or 180
o
.
System
Diagram Name
Catalog
Number
Catalog Name
Description