Rockwell Automation 1797-Series ControlNet Ex Media Plannng Installation Manual User Manual
Page 18
Publication CNET-IN003A-EN-P - January 2006
1-10 Overview of the ControlNet Ex Media System
You can install fiber connecting the 1797-RPFM module with any
approved associated device throughout the safe location.
All cables and fiber media that are not light blue must be marked as IS
using the 1797-EXMK marking kit or other locally approved IS
identification or segregation method.
Certified Equivalent ControlNet Ex System Components
You may use these items as equivalents for system components.
1786-RG6
Quad-Shield,
RG-6 75
Ω
Coax
Trunk Cable
Maximum (functional) length
between two 1797-TPx is 3280ft
(1000m) - each 1797-TPx reduces
the (functional) coax cable length
by 16.3 m (53.4 ft)
1786-BNCP,
-BNCJ, BNCJI
Standard Coax
Trunk Cable BNC
Couplers
Standard cable couplers
1797-BOOT
FLEX Ex Boot
Insulator Kit
Replacement insulators
ATTENTION
You must isolate all metallic parts during the
installation of the ControlNet Ex system to prevent
an earth connection. Use dielectric-strength isolating
material. The isolating material must withstand
voltages > 500V ac.
Component
Catalog Number
Source
Coax Trunk Cable
1797-RG6
Rockwell Automation
3092IS
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
or nodes.
Catalog
Number
Catalog Name
Description