
ControlNet Ex Modular Repeater Adapter & Fiber Repeater Module
17
Publication
1797-IN015G-EN-P - August 2017
Certified Equivalent ControlNet Ex System Diagram Items
You may use these items as equivalents for the items shown on the system
diagram.
Certification Specific ControlNet Ex System Diagrams
The following pages include certification specific ControlNet Ex system
diagrams and notes pertaining to these diagrams. Select either CENELEC,
UL, C-UL, or FM and follow the requirements of that diagram as you
configure and install your system.
System Diagram Name
Catalog Number
Source
1797-RPA
1797-RPA
Allen-Bradley
1797-RPFM
1797-RPFM
Allen-Bradley
1797-ACNR15
1797-ACNR15
Allen-Bradley
Coax Trunk Cable
(1)
1786-RG6
Allen-Bradley
3092A
(2)
Belden Wire & Cable Co.
3092A with blue jacket
Belden Wire & Cable Co.
ControlNet Ex Tap
1797-TPx
Allen-Bradley
CNet Ex Trk Trm
1797-XT
Allen-Bradley
CNet Ex Tap Trm
1797-TCAP
Allen-Bradley
1
In addition to these cable types, the following specification can be followed to allow additional
types:
Cable Impedance = 75
Ω
+ 3
Ω
Cable Capacitance = <5.94 nF per 100 m
Cable Resistance = >9.08
Ω
per 100 m
Cable Attenuation
0.2 MHz > 0.93 dB/100 m
5 MHz > 1.39 dB/100 m
(-20…70 °C)
0.5 MHz > 0.95 dB/100 m
10 MHz > 1.86 dB/100 m
1 MHz > 1.07 dB/100 m
20 MHz > 2.73 dB/100 m
2 MHz > 1.16 dB/100 m
50 MHz > 4.33 dB/100 m
2
Belden Wire & Cable 1189A may be used, but with functional loss of communication distance,
nodes, or both.