Installation Instructions
ControlNet Isolated Bulkhead Connector
Catalog Number 1786–BNCJI
Use this document as a guide when you install a ControlNet isolated bulkhead connector.
This document should be packaged with 5 isolated bulkhead connectors.
About the Isolated Bulkhead Connector
The isolated bulkhead connector is a device used to allow ControlNet cable trunk lines to
pass through metal enclosures. The isolated bulkhead connector prevents the ControlNet
cable from inadvertently being grounded to metallic surfaces that may cause noise on a
network. Any number of isolated bulkhead connectors can be placed in a system.
Publication 1786-IN014B-EN-P - June 2001
2 ControlNet Isolated Bulkhead Connector
ATTENTION
!
IMPORTANT
Important User Information
Because of the variety of uses for the products described in this publication, those responsible
for the application and use of this control equipment must satisfy themselves that all
necessary steps have been taken to assure that each application and use meets all performance
and safety requirements, including any applicable laws, regulations, codes and standards.
The illustrations, charts, sample programs and layout examples shown in this guide are
intended solely for purposes of example. Since there are many variables and requirements
associated with any particular installation, Allen-Bradley does not assume responsibility or
liability (to include intellectual property liability) for actual use based upon the examples
shown in this publication.
Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application, Installation and Maintenance
of Solid-State Control (available from your local Allen-Bradley office), describes some important
differences between solid-state equipment and electromechanical devices that should be taken
into consideration when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in whole or part, without
written permission of Rockwell Automation, is prohibited.
Throughout this manual we use notes to make you aware of safety considerations:
Identifies information about practices or circumstances that can lead
to personal injury or death, property damage or economic loss
Attention statements help you to:
Publication 1786-IN014B-EN-P - June 2001
• identify a hazard
• avoid a hazard
• recognize the consequences
Identifies information that is critical for successful application and
understanding of the product.
ControlNet Isolated Bulkhead Connector 3
IMPORTANT
30130-M
lock washer
nut
1786-BNCJI isolated
bulkhead connector
Installing the Isolated Bulkhead Connector
1. Drill a 12.84 mm hole in the panel you want to connect the cable through.
2. Insert the isolated bulkhead connector through the hole treaded side first.
3. Apply the lock washer and tighten the nut.
Avoid over-tightening the nut on the isolated bulkhead
connector. Over-tightening the nut can cause damage to the
plastic threading on the connector.
4. Connect the two pre-terminated cable segments to the open ends of the isolated
bulkhead connector.
5. Verify that there is no continuity between the isolated bulkhead connector and
ground or metallic mounting surface that the isolated bulkhead connector is mounted
to. This is an isolated bulkhead.
Publication 1786-IN014B-EN-P - June 2001
ControlNet is a registered trademark of ControlNet International.
Allen-Bradley is a trademark of Rockwell Automation.
Publication 1786-IN014B-EN-P - June 2001 PN 957564-81
Supersedes Publication 1786-5.14 - August 1997 © 2001 Rockwell Automation. Printed in the U.S.A.
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