Allen-Bradley ControlNet Coax Taps Installation Instructions
Allen-Bradley ControlNet Coax Taps are designed for use in intrinsically safe environments. This tap allows you to connect ControlNet devices in a safe and reliable manner. It is compatible with a variety of mounting methods, including DIN rail, surface mounting, and tie-wrap mounting. The tap is also designed to be easily connected to trunk cable using BNC connectors, allowing you to extend the reach of your ControlNet network.
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Publication 1797-5.18 - July 2006
Installation Instructions
ControlNet Ex Coax Taps
Catalog Number 1797-TPR, 1797 -TPS, 1797-TPYR, 1797 -TPYS
Topic Page
Important User Information 2
Parts List 3
Additional Parts (Not Included) 4
Install the Coax Tap 4
Mount to DIN Rail 6
Mount to Surface or Fixture 8
Mount Through Holes in Tap 8
Connect Taps 9
Specifications 11
Additional Resources 11
About This Publication
This publication contains procedures and specifications for the installation of
ControlNet coaxial taps.
Installation Instructions
ControlNet Ex Coax Taps
Catalog Number 1797-TPR, 1797 -TPS, 1797-TPYR, 1797 -TPYS
Topic Page
Important User Information 2
Parts List 3
Additional Parts (Not Included) 4
Install the Coax Tap 4
Mount to DIN Rail 6
Mount to Surface or Fixture 8
Mount Through Holes in Tap 8
Connect Taps 9
Specifications 11
Additional Resources 11
About This Publication
This publication contains procedures and specifications for the installation of
ControlNet coaxial taps.
2
Publication 1797-5.18 - July 2006
Important User Information
Solid state equipment has operational characteristics differing from those of electromechanical equipment.
Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (publication
SGI-1.1 available from your local Rockwell Automation sales office or online at
http://literature.rockwellautomation.com) describes some important differences between solid state
equipment and hard-wired electromechanical devices. Because of this difference, and also because of the
wide variety of uses for solid state equipment, all persons responsible for applying this equipment must
satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages
resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many
variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot
assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,
equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
Identifies information about practices or circumstances that can cause an explosion in
a hazardous environment, which may lead to personal injury or death, property
damage, or economic loss.
Identifies information that is critical for successful application and understanding of
the product.
Identifies information about practices or circumstances that can lead to personal injury
or death, property damage, or economic loss. Attentions help you to identify a hazard,
avoid a hazard, and recognize the consequences.
Labels may be located on or inside the equipment, for example, a drive or motor, to
alert people that dangerous voltage may be present.
Labels may be located on or inside the equipment, for example, a drive or motor, to
alert people that surfaces may be dangerous temperatures.
WARNING
IMPORTANT
ATTENTION
SHOCK HAZARD
BURN HAZARD
Publication 1797-5.18 - July 2006
Important User Information
Solid state equipment has operational characteristics differing from those of electromechanical equipment.
Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (publication
SGI-1.1 available from your local Rockwell Automation sales office or online at
http://literature.rockwellautomation.com) describes some important differences between solid state
equipment and hard-wired electromechanical devices. Because of this difference, and also because of the
wide variety of uses for solid state equipment, all persons responsible for applying this equipment must
satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages
resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many
variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot
assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,
equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc., is prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
Identifies information about practices or circumstances that can cause an explosion in
a hazardous environment, which may lead to personal injury or death, property
damage, or economic loss.
Identifies information that is critical for successful application and understanding of
the product.
Identifies information about practices or circumstances that can lead to personal injury
or death, property damage, or economic loss. Attentions help you to identify a hazard,
avoid a hazard, and recognize the consequences.
Labels may be located on or inside the equipment, for example, a drive or motor, to
alert people that dangerous voltage may be present.
Labels may be located on or inside the equipment, for example, a drive or motor, to
alert people that surfaces may be dangerous temperatures.
WARNING
IMPORTANT
ATTENTION
SHOCK HAZARD
BURN HAZARD
3
Publication 1797-5.18 - July 2006
Environments and Enclosures
ATTENTION This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in IEC
publication 60664-1), at altitudes up to 2000 meters (1.24 miles) without
derating.
Besides this publication, see:
Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley
publication 1770-4.1.
NEMA Standards publication 250 and IEC publication 60529, as applicable, for
explanations of the degrees of protection provided by different types of
enclosure.
Publication 1797-5.18 - July 2006
Environments and Enclosures
ATTENTION This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in IEC
publication 60664-1), at altitudes up to 2000 meters (1.24 miles) without
derating.
Besides this publication, see:
Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley
publication 1770-4.1.
NEMA Standards publication 250 and IEC publication 60529, as applicable, for
explanations of the degrees of protection provided by different types of
enclosure.
4
Publication 1797-5.18 - July 2006
Parts List
Before you discard the tap kit packaging, verify that you have all of the parts.
The following parts are included in each ControlNet Coaxial Tap Kit.
Your ControlNet Coax Tap Kit should contain all of these parts.
– One tap (1786-TPR, 1786-TPS, 1786-TPYR, or 1786-TPYS)
– One universal mounting bracket
– One transition plate
– Two BNC connector kits
– Two self-taping screws
– Two threaded screws
– One Ex insulator kit containing instrinsically safe sheaths and dust caps
If you are missing any part, contact your Rockwell Automation Sales
Representative.
Additional Parts (Not Included)
Depending on the type of tap mount and installation you choose, you may require
additional parts not included with this tap kit. The list below describes additional
parts that may be required for your tap installation.
• DIN rail, 35 x 7.5 mm (EN50022 - 35 x 7.5)
• DIN rail, 35 x 15 mm (EN 50022 - 35 x 15)
• screws of various lengths
• tie wrap
IMPORTANT Use of the light-blue intrinsically safe sheaths and dust caps
included in the Ex insulator kit is required for instrinsically-safe
system certification by certification agencies.
BNC Connector Kits
Tap Body
Universal Mounting Bracket
Transition Plate
Removable Dust Cap Threaded Screws
31641
Self-Taping Screws
Ex Insulator Kit
Publication 1797-5.18 - July 2006
Parts List
Before you discard the tap kit packaging, verify that you have all of the parts.
The following parts are included in each ControlNet Coaxial Tap Kit.
Your ControlNet Coax Tap Kit should contain all of these parts.
– One tap (1786-TPR, 1786-TPS, 1786-TPYR, or 1786-TPYS)
– One universal mounting bracket
– One transition plate
– Two BNC connector kits
– Two self-taping screws
– Two threaded screws
– One Ex insulator kit containing instrinsically safe sheaths and dust caps
If you are missing any part, contact your Rockwell Automation Sales
Representative.
Additional Parts (Not Included)
Depending on the type of tap mount and installation you choose, you may require
additional parts not included with this tap kit. The list below describes additional
parts that may be required for your tap installation.
• DIN rail, 35 x 7.5 mm (EN50022 - 35 x 7.5)
• DIN rail, 35 x 15 mm (EN 50022 - 35 x 15)
• screws of various lengths
• tie wrap
IMPORTANT Use of the light-blue intrinsically safe sheaths and dust caps
included in the Ex insulator kit is required for instrinsically-safe
system certification by certification agencies.
BNC Connector Kits
Tap Body
Universal Mounting Bracket
Transition Plate
Removable Dust Cap Threaded Screws
31641
Self-Taping Screws
Ex Insulator Kit
5
6
7
8
9
10
11
12
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Key Features
- Intrinsically Safe
- DIN Rail Mounting
- Surface Mounting
- Tie-Wrap Mounting
- BNC Connector
- Trunk Cable Compatibility
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Frequently Answers and Questions
How do you mount the tap to a DIN rail?
The tap can be mounted to a DIN rail both vertically and horizontally. You'll need one universal mounting bracket, two self-taping screws, two threaded screws, and a 35 x 7.5 mm or 35 x 15 mm DIN rail (not included). Instructions are provided in the manual for vertical and horizontal mounting.
What tools do I need to install the tap?
You will need a small Phillips-head screwdriver for most installation methods.
What steps do I need to take to connect taps with a jumper?
The manual describes connecting Y-taps and T-taps with a plug-to-plug jumper. This requires having the 1786-TJPR jumper (not included). You'll find instructions for T-tap jumper connections in the manual.
Is the tap compatible with other brands of ControlNet equipment?
The manual does not specifically mention compatibility with other brands. To ensure compatibility, consult the manufacturer or a technical expert.
What are the temperature and humidity operating ranges for the tap?
The operating temperature range is -20 to 70 degrees Celcius and the humidity range is 5 to 95% noncondensing.
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