This publication tells you how to install the 1788-EN2DN
Ethernet-to-DeviceNet linking device and use RSNetWorx for DeviceNet
software to configure it.
Topi cPag e
Important User Information2
About the Linking Device6
System Requirements7
Installing and Configuring the Linking Device8
Using Diagnostic Web Pages44
Dimensions49
DeviceNet Connector Pinouts50
EtherNet/IP RJ45 Connector Pinouts50
Specifications51
Additional Resources55
2 Ethernet-to-DeviceNet Linking Device
Important User Information
Solid-state equipment has operational characteri stics differing from those of electromechanical equipment. Safety Guidelin es
for the Application, Installation an d Maintenance of Solid State Controls (publication SGI-1.1
Rockwell Automationsales office or online at http://www.rockwellautomation.com/literature/
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 pers ons responsible for applying this equipment must sati sfy
themselves that each intended application of this equ ipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liab le for indirect or consequential damages resulting from the
use or application of this equi pment.
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 : Identifies information about practices or circumstan ces that can cause an explosion in a
hazardous environment, which may lead to personal injury or death, property damage, or economic loss.
ATTENTION: Identifies information about practices or circumstan ces 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.
SHOCK HAZARD: Labels may be on or inside the equipment, for example, drive or motor, to alert people
that dangerous voltage may be present.
BURN HAZARD: Labels may be on or ins ide the equipment, for example, drive or motor, to alert people
that surfaces may reach dangerous temperatures.
IMPORTANTIdentifies information that is critical fo r successful application and understanding of the produc t.
available from your local
) describes some important
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Ethernet-to-DeviceNet Linking Device 3
North American Hazardous Location Approval
The following information applies when
operating this equipment in hazardous
locations.
Products marked “CL I, DIV 2, GP A, B, C, D” are
suitable for use in Class I Division 2 Groups A, B, C, D,
Hazardous Locations and nonhazardous locations
only. Each product is supplied with markings on the
rating nameplate indicating the hazardous location
temperature code. When combining products within
a system, the most adverse temperature code
(lowest “T” number) may be used to help determine
the overall temperature code of the system.
Combinations of equipment in your system are
subject to investigation by the local Authority
Having Jurisdiction at the time of installation.
WARNIN G:
Explosion Hazard -
• Do not disconnect equipment
unless power has been removed or
the area is known to be
nonhazardous.
• Do not disconnect connections to
this equipment unless power has
been removed or the area is known
to be nonhazardous. Secure any
external connec tions that mate to
this equipment by using screws,
sliding latches, threaded
connectors, or other means
provided with this product.
• Substitution of components may
impair suitability for Class I,
Division 2.
• If this product contains batteries,
they must only be changed in an
area known to be nonhazardous.
Informations sur l’utilisation de cet équipement
en environnements dangereux.
Les produits marqués "CL I, DIV 2, GP A, B, C, D" ne
conviennent qu'à une utilisation en environnements de
Classe I Division 2 Groupes A, B, C, D dangereux et non
dangereux. Chaque produit est livré avec des marquages
sur sa plaque d'identification qui indiquent le code de
température pour les environnements dangereux.
Lorsque plusieurs produits sont combinés dans un
système, le code de température le plus défavorable
(code de température le plus faible) peut être utilisé
pour déterminer le code de température global du
système. Les combinaisons d'équipements dans le
système sont sujettes à inspection par les autorités
locales qualifiées au moment de l'installation.
AVERTISSEMENT:
Risque d’Explosion –
• Couper le courant ou s'assurer que
l'environnement est classé non
dangereux avant de débrancher
l'équipement.
• Couper le courant ou s'assurer que
l'environnement est classé non
dangereux avant de débrancher les
connecteurs. Fixer tous les
connecteurs externes reliés à cet
équipement à l'aide de vis, loquets
coulissants, connecteurs filetés ou
autres moyens fournis avec ce produit.
• La substitution de composants peut
rendre cet équipement inadapté à une
utilisation en environnement de
Classe I, Division 2.
• S'assurer que l'environnement est
classé non dangereux avant de
changer les piles.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
4 Ethernet-to-DeviceNet Linking Device
European Hazardous Location Approval
The following applies when the product bears the Ex Marking.
This equipment is intended for use in potentially explosive atmospheres as
defined by European Union Directive 94/9/EC and has been found to comply
with the Essential Health and Safety Requirements relating to the design and
construction of Category 3 equipment intended for use in Zone 2 potentially
explosive atmospheres, given in Annex II to this Directive.
Compliance with the Essential Health and Safety Requirements has been
assured by compliance with EN 60079-15 and EN 60079-0.
WARNING: This equipment must be installed in an enclosure providing at least
IP54 protection when applied in Zone 2 environments.
This equipment shall be used within its specified ratings defined by Rockwell
Automation.
Provision shall be made to prevent the rated voltage from being exceeded by
transient disturbances of more than 40% when applied in Zone 2 environments.
Secure any external connections that mate to this equipment by using screws,
sliding latches, threaded connectors, or other means provided with this product.
Do not disconnect equipment unless power has been removed or the area is known
to be nonhazardous.
ATTENTION: This equipment is not resistant to sunlight or other sources of UV
radiation.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Environment and Enclosure
ATTENTION: This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in IEC 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 11. Without appropriate precautions, there may be difficulties with
electromagnetic compatibility in residential and other environments due to
conducted and radiated disturbances.
This equipment is supplied as open-type equipment. It must be mounted within an
enclosure that is suitably designed for those specific environmental conditions that
will be present and appropriately designed to prevent personal injury resulting
from accessibility to live parts. The enclosure must have suitable flame-retardant
properties to prevent or minimize the spread of flame, complying with a flame
spread rating of 5VA, V2, V1, V0 (or equivalent) if non-metallic. The interior of the
enclosure must be accessible only by the use of a tool. Subsequent sections of this
publication may contain additional information regarding specific enclosure type
ratings that are required to comply with certain product safety cer tifications.
In addition to this publication, see the following:
• Industrial Automation Wiring and Grounding Guidelines, publication
• NEMA Standard 250 and IEC 60529, as applicable, for explanations of the
, for additional installation requirements
1770-4.1
degrees of protection provided by enclosures
Ethernet-to-DeviceNet Linking Device 5
ATTENTION: Prevent Electrostatic Discharge
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.
• Wear an approved grounding wriststrap.
• Do not touch connectors or pins on component boards.
• Do not touch circuit components inside the equipment.
• Use a static-safe workstation, if available.
• Store the equipment in appropriate static-safe packaging when not in use.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
6 Ethernet-to-DeviceNet Linking Device
About the Linking Device
The 1788-EN2DN Ethernet-to-DeviceNet linking device lets you seamlessly
connect your information- or control-level networks with your device-level
network.
The linking device provides full DeviceNet master functionality, so you can
connect up to 63 DeviceNet slave devices to an Ethernet TCP/IP interface that
supports the EtherNet/IP network and an HTTP web server. As examples, you
could use the linking device:
• as a gateway to connect information- or control-level networks to
device-level networks for programming, configuration, control, or data
collection.
• as a router/bridge to connect the EtherNet/IP network to the
DeviceNet network.
The linking device provides centralized data storage, or I/O tables, for data
shared between the DeviceNet and EtherNet/IP networks. Data is placed into
the I/O tables by one network interface, allowing the data to be read through the
other network interface.
The linking device appears as a single device on either network by using standard
protocol mechanisms. No special, or extended, protocol features are required for
the devices on either network to read or write the data flowing through the I/O
tables; all cross-network activity is transparent to the devices on either network.
All connections, whether power or fieldbus, to the linking device are made on
one end of the module. Phoenix connectors are provided for power and
DeviceNet connections. A RJ45 style connector is provided for EtherNet/IP
connection.
The linking device can be mounted to a DIN rail.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Ethernet-to-DeviceNet Linking Device 7
System Requirements
The following hardware and software components are required to use the
linking device.
Required Hardware
• 1788-EN2DN linking device
• DeviceNet cabling, power, and devices forming a DeviceNet network
The DeviceNet slave devices with which the linking device
communicates are specified using a DeviceNet Configuration Software
tool such as RSNetWorx for DeviceNet software.
• 24V DC power to the linking device
DeviceNet power may be used; however, using DeviceNet power
bypasses the DeviceNet network isolation.
Required Software
• DeviceNet configuration software, such as RSNetWorx for DeviceNet
software, version 4.01 or later, to configure DeviceNet devices and the
linking device’s DeviceNet functionality
• RSLinx
• DHCP server 2.3.2 or later, which ships with RSLinx software version
software, version 2.31 or later
2.42 and later. If you are using an earlier version of RSLinx software, you
will need to download the standalone server from
http://www.rockwellautomation.com/support
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
8 Ethernet-to-DeviceNet Linking Device
Optional Software
RSLogix5000 software, version 13 or later.
Installing and Configuring the Linking Device
WARNING: If you connect or disconnect the communication cable with power
applied to this module or any device on the network, an elec trical arc can occur. This
could cause an explosion in hazardous location installations.
If you connect or disconnec t wiring while the field-side power is on, an electrical arc
can occur. This could cause an explosion in hazardous location installations. Be sure
that power is removed or the area is nonhazardous before proceeding.
When you change switch settings while field-side power is on, an electrical arc can
occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
Follow these steps to install the linking device (described in the sections that
follow).
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Ethernet-to-DeviceNet Linking Device 9
DeviceNet Connection
Power Connection
Configuration DIP Switch
RJ45 Port (EtherNet/IP Connection)
31480-M
Connect the Linking Device to the EtherNet/IP Network
Connect the EtherNet/IP network cable to the RJ45 port on the end of the
linking device.
ATTENTION: This product is grounded through the DIN rail to chassis ground. Use
zinc plated yellow-chromate steel DIN rail to assure proper grounding. The use of
other DIN rail materials (for example, aluminum or plastic) that can corrode,
oxidize, or are poor conductors, can result in improper or intermittent grounding.
Secure DIN rail to mounting surface approximately every 200 mm (7.8 in.) and use
end-anchors appropriately.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
10 Ethernet-to-DeviceNet Linking Device
(Red) Net Power 24V DC
(White) CAN High +
CAN Shield
(Blue) CAN Low
(Black) Net Power 24V DC Common
31442-M
Connect the Linking Device to the DeviceNet Network
ATTENTION:
Do not wire more than 2 conductors on any single terminal.
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).
To comply with UL restrictions, this equipment must be powered from a source
compliant with Class 2 or Limited Voltage/Current.
1. Make sure a computer running RSNetWorx for DeviceNet software is
connected to the EtherNet/IP network.
2. With power to the linking device off, connect the DeviceNet network
cable to the DeviceNet connector on the linking device.
The female terminal block connector is provided with the linking
device.
3. Connect the power cable to the linking device.
The female terminal block connector is provided with the linking
device.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Ethernet-to-DeviceNet Linking Device 11
TIP
IMPORTANT
..
24V DC common
24V DC +
Two 120 ohm termination resistors (supplied with the linking device) may be
required for proper network termination at each end of the trunk line. See the
DeviceNet Specification (available from the Open DeviceNet Vendors
Association at http://www.odva.org
) for specific rules on DeviceNet
connections and termination.
4. Apply power to the linking device and DeviceNet network.
The linking device defaults to Autobaud. This means that the linking device
automatically finds the network communication rate at when power is
applied. You must specify a master device, such as a DeviceNet Bridge Module
(catalog number 1756-DNB) so that the linking device can pick up the correct
communication rate. If you do not have another device installed, you must
use RSNetWorx for DeviceNet software to set the communication rate, as
described in Set the DeviceNet MAC ID and Communication Rate
Do not attempt to commission the li nking device on a network configured at
a different communication rate.
on page 21.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
12 Ethernet-to-DeviceNet Linking Device
IMPORTANT
ON
23456781
ON
23456
7
8
1
31421-M
Configure the Linking Device IP Address
Several methods may be used to set the IP Address. These methods include the
following:
• IP address configuration DIP switch
• DHCP protocol
• We b p ag e
• RSLogix 5000 software, version 13 or later), and 1788-EN2DN Linking
Device, revision 2.x or later
Setting the IP Address with the Configuration DIP Switch
A configuration DIP switch on the end of the linking device lets you set the IP
address. If the configuration DIP switch is set to 1 (in the up position, as shown
in the following figure), when power is applied to the switch, the value of the
switch creates the IP address of 192.168.1.1.
The numbers that appear above the switches on the DIP switch do not
correspond to bit locations in the address value. The numbers on the switch
are opposite the address value bit locations; for example, bit 0 is set by
switch 8.
IP Address Configuration DIP Switch
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Ethernet-to-DeviceNet Linking Device 13
TIP
The switch represents the binary value of the last byte in the 4-byte IP address. In
this case it is n. If n = 0, the linking device obtains its IP address from the
software configuration (DHCP or web page).
IP address192.168.1.n
Subnet mask255.255.255.0
Gateway address0.0.0.0 (No gateway set)
Setting the IP Address By Using DHCP/BootP
The use of DHCP is the default configuration for the linking device as shipped.
The IP address configuration DIP switch ships with n =0.
When DHCP/BootP is enabled and a DHCP or BootP server is found, the
IP address, Subnet mask, and Gateway address are automatically configured
by the DHCP server, as shown in the following figure.
Automatic Configuration
Follow these steps to change the IP address, Subnet mask, and Gateway address
from this dialog box.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
14 Ethernet-to-DeviceNet Linking Device
1. Click New.
You see the Properties dialog box.
2. On the Properties dialog box, enter the appropriate values into the
following fields.
• Ethernet address (MAC ID) [from the linking device product ID
label]
• IP address
• Subnet Mask
• Gateway (IP address)
3. Click OK.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Ethernet-to-DeviceNet Linking Device 15
TIP
31445-M
The following figure shows a flowchart describing how the IP configuration is
determined when the linking device is powered up.
Start
Use received
conguration
Yes
Request cong
from DHCP/
BOOTP Server.
Timeout 30 secs
DHCP
Cong
Received?
No
Valid
Conguration
File?
No
Remain oine
Yes
Valid
Conguration
in Flash Memory?
Yes
DHCP
Enabled?
No
Use Valid (stored)
IP address
Stop
No
Yes
Yes
You can enable these values using the linking device’s IP Configuration web
page. Refer to Setting the IP Address Using By Using the Web Page on
page 16.
DIP Switch = 0
No
IP = 192 168.1.n
Sub = 255.255.255.0
No Gateway
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
16 Ethernet-to-DeviceNet Linking Device
IMPORTANT
Setting the IP Address Using By Using the Web Page
The EtherNet/IP address can also be configured using the IP Configuration web
page on the linking device, as shown in the following figure.
The IP address can be set with the web page only if the linking device already has
a valid IP address. Typically, you can do this by using the DIP switch to force the
linking device to use a temporary IP address after you cycle power. Follow these
steps to configure the IP address with the web page.
Because the DIP switch setting overrides other IP address configurations, be
sure to set the DIP switch to the 0 position before continuing.
1. Browse to the linking device by entering the temporary IP address in
your web browser’s address bar and click Enter.
2. In the left pane, click IP Configuration.
You see the Enter Network Password dialog box.
3. In the Username field, enter Administrator.
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
4. Leave the password field blank.
5. Click OK.
You see the IP Configuration dialog box.
Ethernet-to-DeviceNet Linking Device 17
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
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