Installation Instructions
USB-to-ControlNet Cable
Catalog Number 1784-U2CN
Top ic Page
Important User Information 2
Environment and Enclosure 3
About the Cable 4
Install the Cable 5
Status Indicators 9
Specifications 11
Additional Resources 14
2 USB-to-ControlNet Cable
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
http://literature.rockwellautomation.com
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.
WARNING
available from your local Rockwell Automation sales office or online at
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.
) describes some important differences between solid state
IMPORTANT
ATTENTION
SHOCK HAZARD
BURN HAZARD
Publication
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 identify a
hazard, avoid a hazard and recognize the consequences.
Labels may be on or inside the equipment (for example, a drive or motor) to alert
people that dangerous voltage may be present.
Labels may be on or inside the equipment (for example, a drive or motor) to alert
people that surfaces may reach dangerous temperatures.
1784-IN047A-EN-P - November 2008
Environment and Enclosure
USB-to-ControlNet Cable 3
ATTENTION
This equipment is intended for use in overvoltage Category II applications (as
defined in IEC publication 60664-1), at altitudes up to 2000 m (6562 ft) without
derating.
This equipment is considered Group 1, Class A industrial equipment according
to IEC/CISPR Publication 11. Without appropriate precautions, there may be
potential difficulties ensuring electromagnetic compatibility in other
environments due to conducted as well as radiated disturbance.
This equipment is supplied as enclosed equipment. It should not require
additional system enclosure when used in locations consistent with the
enclosure type ratings stated in the Specifications section of this publication.
Subsequent sections of this publication may contain additional information
regarding specific enclosure type ratings, beyond what this product provides,
that are required to comply with certain product safety certifications.
In addition to this publication, see the following publications:
• publication 1770-4.1
Guidelines, for additional installation requirements.
• NEMA Standards publication 250 and IEC publication 60529, as
applicable, for explanations of the degrees of protection provided by
different types of enclosures.
, Industrial Automation Wiring and Grounding
At the end of its life, this equipment should be collected
separately from any unsorted municipal waste.
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4 USB-to-ControlNet Cable
About the Cable
The 1784-U2CN USB-to-ControlNet cable lets you connect a notebook or
desktop computer to a ControlNet network by using an unused USB port on
the computer. The product replaces the 1784-PCC communication card for
computers that do not have PCMCIA slots.
IMPORTANT
USB Cable
To comply with the CE Low Voltage Directive (LVD), this equipment must be
powered from a source compliant with Safety Extra Low Voltage (SELV) or
Protected Extra Low Voltage (PELV).
RJ45 ControlNet Network Connector
Status Indicators
Node Address Switches
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Install the Cable
Follow these procedures to install the cable.
USB-to-ControlNet Cable 5
ATTENTION
This equipment is sensitive to electrostatic discharge, which can cause
internal damage and affect normal operation. Follow these guidelines when
you handle this equipment:
• Touch a grounded object to discharge potential static.
• Do not touch connectors or pins.
• Store the equipment in appropriate static-safe packaging when not in
use.
Obtain the Device Driver for the Cable
Follow these steps to download and install the device driver for the cable.
IMPORTANT
IMPORTANT
1. Visit http://www.rockwellautomation.com/knowledgebase/.
2. Open tech note ID 55431 and follow the instructions in the tech note
A minimum of RSLinx Classic software, version 2.51, is required for use with
the cable.
If RSLinx Classic software, version 2.54 or later, is installed on the computer,
the device driver is already installed on the computer. Skip this section.
to install the driver.
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6 USB-to-ControlNet Cable
Configure and Connect the Cable
ATTENTION
USB and ControlNet connection lengths must be less than 3 meters. Do not
attempt to extend the cables.
1. Use the rotary switches to set the module node address to a valid
number (1…99).
Node Address
(Rotary) Switches
2. Insert the end of the cable having the USB connector into a USB port
on a computer.
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USB-to-ControlNet Cable 7
3. Insert the end of the cable having the RJ45 network connector into
the ControlNet network access port (NAP) of a ControlNet
network-enabled device.
RJ45 ControlNet Network Connector
USB Cable
Traffic Analyzer Software
The 1784-U2CN cable is designed to work with Frontline’s NetDecoder
traffic analyzer software. For more information on Frontline’s product, go to
either http://www.rockwellautomation.com/encompass/ or
http://www.fte.com.
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8 USB-to-ControlNet Cable
Product Dimensions
The following illustration shows the product dimensions.
Enclosure
Length: 7.62 cm (3 in.)
Width: 5.08 cm (2 in.)
Thickness: 2.54 cm (1 in.)
USB Cable Length
0.61 m (2 ft)
ControlNet NAP Cable Length
3.05 m (10 ft)
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USB-to-ControlNet Cable 9
Status Indicators
The following table describes the cable status indicators.
Module
Status
ControlNet
USB
Indicator Status Description
USB Green The cable is configured, but no network traffic
Flashing green Network traffic is present.
Off Unable to transfer data.
Network Status
is present.
• Disconnected from host.
• In one of the following states:
– default
– powered
– address
– suspend
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10 USB-to-ControlNet Cable
Indicator Status Description
Module Status (MS) Green The cable is operating normally.
Off No power to the cable.
Flashing green The cable is operating in a normal condition
and is online with no connections established.
• The cable may be in Standby mode.
• The cable needs commissioning due to
missing, incomplete, or incorrect
configuration.
Flashing red The cable has a recoverable fault.
ControlNet Network
Status (NS)
Red The cable has an unrecoverable fault and may
Flashing
red/green
Off Not on network.
Red Network interface faulted.
Flashing
red/green
Flashing red • Duplicate node detected.
Flashing green • Temporary channel error.
Green Normal operation. MAC frame received
need to be replaced.
The cable is performing a self-test.
Invalid network configuration (for example, a
MAC ID above UMAX).
• Link fault.
• No MAC frames received.
• Listen only.
without error.
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USB-to-ControlNet Cable 11
Specifications
USB-to-ControlNet Cable, Catalog Number 1784-U2CN
Attribute Value
Enclosure type rating Meets IP30
Power dissipation, max 0.5 W
Supply voltage 5.00V DC
5.25V DC max
Supply current 75 mA
Power consumption, max 0.5 W
Isolation voltage 30V continuous, Basic Insulation Type
Type tested at 500V AC for 60 s, ControlNet to USB
Wiring category
(1)
ControlNet current value 70 mA @ 24V
(1)
Use this Conductor Category information for planning conductor routing. Refer to Industrial
Automation Wiring and Grounding Guidelines, publication 1770-4.1
2 - on communication ports
.
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12 USB-to-ControlNet Cable
Environmental Specifications
Attribute Valu e
Temperature,
operating
Temperature,
nonoperating
Relative humidity IEC 60068-2-30 (Test Db, Unpackaged Damp Heat):
Nonoperating shock IEC 60068-2-27 (Test Ea, Unpackaged Shock):
Emissions CISPR 11:
ESD immunity IEC 61000-4-2:
Radiated RF immunity IEC 61000-4-3:
IEC 60068-2-1 (Test Ad, Operating Cold),
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
0…55 °C (32…131 °F)
IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal
Shock):
-10…85 °C (14…185 °F)
5…95% noncondensing
1000 mm (3.28 ft)
Group 1, Class A
8 kV air discharges
10V/m with 1 kHz sine-wave 80% AM from 80…2000 MHz
10V/m with 200 Hz 50% Pulse 100% AM at 900 MHz
10V/m with 200 Hz 50% Pulse 100% AM at 1890 MHz
10V/m with 1 kHz sine-wave 80% AM from 2000…2700 MHz
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Certifications
USB-to-ControlNet Cable 13
Certifications
Valu e
(when product is
(1)
marked)
c-UL-us UL Listed Industrial Control Equipment, certified for US and
Canada. See UL File E65584.
CE European Union 2004/108/EC EMC Directive, compliant with:
EN 61326-1; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity
EN 61000-6-4; Industrial Emissions
EN 61131-2; Programmable Controllers (Clause 8, Zone A & B)
C-Tick Australian Radiocommunications Act, compliant with:
AS/NZS CISPR 11; Industrial Emissions
CI ControlNet International conformance tested to ControlNet
specifications
(1)
See the Product Certification link at http://www.ab.com for Declarations of Conformity, Certificates,
and other certification details.
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14 USB-to-ControlNet Cable
Additional Resources
These documents contain additional information concerning related Rockwell
Automation products.
Resource Description
ControlNet Coax Media Planning and
Installation Guide, publication CNET-IN002
Industrial Automation Wiring and Grounding
Guidelines, publication 1770-4.1
Product Certifications website,
http://www.ab.com
Provides ControlNet network planning
.
information.
Provides general guidelines for installing a
Rockwell Automation industrial system.
Provides declarations of conformity,
certificates, and other certification details.
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Notes:
USB-to-ControlNet Cable 15
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Rockwell Automation Support
Rockwell Automation provides technical information on the Web to assist you in using
its products. At
manuals, a knowledge base of FAQs, technical and application notes, sample code and
links to software service packs, and a MySupport feature that you can customize to
make the best use of these tools.
For an additional level of technical phone support for installation, configuration, and
troubleshooting, we offer TechConnect support programs. For more information,
contact your local distributor or Rockwell Automation representative, or visit
http://support.rockwellautomation.com.
Installation Assistance
If you experience a problem within the first 24 hours of installation, please review the
information that's contained in this manual. You can also contact a special Customer
Support number for initial help in getting your product up and running.
United States 1.440.646.3434
Outside United States Please contact your local Rockwell Automation representative for any
New Product Satisfaction Return
Rockwell Automation tests all of its products to ensure that they are fully operational
when shipped from the manufacturing facility. However, if your product is not
functioning and needs to be returned, follow these procedures.
United States Contact your distributor. You must provide a Customer Support case number
Outside United States Please contact your local Rockwell Automation representative for the return
Allen-Bradley, Data Highway Plus, DH+, PLC-5, RSLinx, Rockwell Automation, SLC, and TechConnect are
trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
http://support.rockwellautomation.com, you can find technical
Monday – Friday, 8 a.m. – 5 p.m. EST
technical support issues.
(see phone number above to obtain one) to your distributor in order to
complete the return process.
procedure.
Publication 1784-IN047A-EN-P - November 2008 PN-25192
Copyright © 2008 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.
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