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Rockwell Automation 1797-Series ControlNet Ex Media Plannng Installation Manual User Manual

Page 18

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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

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