1.1About the Rosemount™ 8732EM EtherNet/IP™
Module
The Rosemount 8732EM EtherNet/IP™ Module is a customization of the Anybus®
Communicator
of industrial devices into the Ethernet network with no loss of functionality, control, or
reliability. The Ethernet module can be used for new or retrofit installations.
This manual contains only the information required to install, configure, and use the
Ethernet module. Other OEM features are still enabled on the device, but are not
documented here. For information on other features of the device, see the Anybus
Communicator User Manual manual, available on the HMS web site.
1.1.1Functional overview
™
from HMS Industrial Networks. The Ethernet module enables integration
The Rosemount 8732EM EtherNet/IP Module acts as a gateway between the serial output of
a Rosemount 8732EM Modbus
The Ethernet module is a Modbus master and an Ethernet slave. On the Modbus side, it polls
the transmitter for a standard set of process variables and stores the data locally. See
Section B.3 for a list of available data. On the Ethernet side, it receives requests for data and
responds with the current values. Figure 1-1 illustrates the Ethernet module in operation.
The Ethernet module is installed with a Rosemount 8732EM Modbus Transmitter.
The web browser is used for transmitter configuration and administration, via a
connection to the Rosemount web pages on the Ethernet module.
Figure 1-1 EtherNet/IP Module with Rosemount 8732EM Modbus Transmitter
®
Magnetic Flowmeter Transmitter and an Ethernet network.
A. PLCF. Configuration loop (with configuration cable)
B. Web browserG. Modbus/RS-485
C. EthernetH. PC with Ethernet config tool
D. Other devices (SCADA, PC, Inverter)I. Rosemount 8732EM Transmitter
E. EtherNet/IP ModuleJ. To sensor
Introduction
1
Introduction
A
B
C
D
E
F
G
April 2016
1.1.2Communications
The following communications methods and protocols are supported:
Ethernet module to Rosemount transmitter: Modbus RTU on RS-485
Ethernet module to Ethernet network:
-EtherNet/IP group 2 and 3 servers
-Web server
-10/100 Mbit/sec, twisted pair
1.1.3External view of device
Figure 1-2. External View of Device
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A. Ethernet connectorE. Modbus serial connector (transmitter)
B. Configuration switchesF. Power connector
C. Status LEDsG. DIN rail connector
D. PC connector (configuration)
1.1.4Default web pages
2
The Ethernet module is preloaded with the Rosemount 8732EM web pages. These pages
allow the user to view process data and alerts, configure the most commonly used
parameters on the transmitter, perform maintenance procedures, and download support
files from the device.
11.Wait for the auto-configuration process to complete.
Installation
5
Installation
April 2016
Important
For initial startup, the auto-configuration process is required to ensure device memory is
completely set up.
12.Add the Ethernet module to the Ethernet network control system. The EDS file is
available on the Resource CD, the Ethernet module (download from Administration
page), and the Rosemount web site.
For more information on transmitter installation and wiring, see the transmitter installation
manual. For information on configuring the RS-485 terminals and making an RS-485
connection, see the transmitter configuration manual.
2.3Final steps
1.From a browser, access the login screen and enter admin. Ignore the
auto-configuration popup window.
2.Use the Device Configuration page to configure the Ethernet module.
To participate on the Ethernet network, the Rosemount™ 8732EM EtherNet/IP™ Module
needs a valid TCP/IP configuration.
The Ethernet module can retrieve the TCP/IP settings from a DHCP or BootP server. If no
such server is found, the Ethernet module uses the settings from the system file \ethcfg.cfg.
If this file is not found, or the settings are invalid, the Ethernet module will halt and report an
error on the status LED. However, the network configuration may still be accessed via the
Ethenet Config Tool.
You can define the TCP/IP settings for the Ethernet module in four ways:
Rosemount Network Configuration web page (recommended)
Configuration switches on the device
Ethernet Config Tool
System file \ethcfg.cfg on the device
Rosemount web page
The Network Configuration page, in the Rosemount web pages, allows setting of the IP
address, gateway address, and subnet address. Connecting to the Ethernet module using a
crossover cable and the default IP address allows setting all three parameters. The changes
take effect at the next connection.
Configuration switches
If the configuration switches on the Ethernet module are set to any non-zero value, the
device is locked to the following network settings:
Table 3-1 Network settings, locked
ParameterValu e
IP address192.168.0.x
Basic Network Configuration
where x is determined by the switches
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Basic Network Configuration
April 2016
Table 3-1 Network settings, locked
ParameterValu e
Gateway192.168.0.255
Subnet255.255.255.0
DHCPOFF
To set the IP address, see the following table.
Table 3-2 Network settings using switches
Switch
12345678
OFFOFFOFFOFFOFFOFFOFFON192.168.0.1
OFFOFFOFFOFFOFFOFFONOFF192.168.0.2
OFFOFFOFFOFFOFFOFFONON192.168.0.3
ONONONONONONONOFF192.168.0.254
ONONONONONONONONInvalid
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IP address
Ethernet Config Tool
See the Anybus® Communicator™ manual for instructions.
Important
If you change the network settings using the Ethernet Config Tool, you will not be able to
use the Rosemount web pages to change network settings in the future. All future changes
to network settings must be performed using the Ethernet Config Tool.
ethcfg.cfg file
To set the network settings using the \ethcfg.cfg file:
1.Set all configuration switches on the device to OFF.
2.Make a connection to the device from the Ethernet Config Tool and disable TCP/IP Settings (Fieldbus parameter section). Alternatively, you can access the TCP/IP
parameters using the TCP/IP Interface Object.
3.From the FTP server, access and edit \ethcfg.cfg as desired.
In this scenario, if no \ethcfg.cfg file is found, the Ethernet module will attempt to retrieve
the settings via DHCP for 30 seconds. If the attempt fails, the Ethernet module will halt and
indicate an error via the LEDs.
See the Anybus Communicator manual for more information.
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Basic Network Configuration
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3.1.1IP access control
You can limit the set of IP addresses that are allowed to connect to the Ethernet module.
This information is stored in the system file \ip_accs.cfg.
Sample file:
[Web]
xxx.xxx.xxx.xxx(All nodes listed can access the EtherNet/IP Module
web server)
...
[FTP]
xxx.xxx.xxx.xxx(All nodes listed can access the EtherNet/IP Module
FTP server)
...
[EtherNet/IP]
xxx.xxx.xxx.xxx(All nodes listed can access the EtherNet/IP Module
via EtherNet/IP)
...
[All]
xxx.xxx.xxx.xxx(Fallback setting; used when one or more of the
above keys is omitted)
...
Basic Network Configuration
April 2016
Basic Network Configuration
9
Basic Network Configuration
April 2016
3.2Modbus® serial network settings
The required parameters for the Modbus serial network for use with the Ethernet module
are listed in the following table.
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00809-0100-4765, Rev. AB
Note
The Rosemount 8732EM Modbus
®
Transmitter default parameters for Modbus serial
network communication are different than those listed below. Transmitter configuration
may be required to match the parameters in Table 3 - 3.
Table 3-3 Required parameters for Modbus serial network
ParameterRequired setting
Baud38400
Float byte sequence order0-1-2-3
Data bits8 (Modbus RTU)
ParityNone
Physical layerRS485
Start bits1
Stop bits
1. For baud rates of 38400 and above, 2 stop bits are required.
(1)
2
These must match the RS-485 parameters configured in the transmitter. To change them in
the Ethernet module, you must use the Ethernet Config Tool. See the Anybus
Communicator manual for more information.
The configuration and administration functions of the Rosemount 8732EM EtherNet/IP™
Module are implemented as web pages on the device. Users use their web browsers to
connect to the web server. They are automatically directed to the Rosemount web pages.
4.2General access information
April 2016
4.2.1Ports
The web server communicates through port 80.
4.2.2Users
Two users are predefined for the Rosemount web pages. You can change the passwords, but
you cannot add or delete users.
Username
adminadmin
operatoroperator
Default
password
Description
Complete access to all functions on the
Read-only access to the
4.3Rosemount web pages
When the user connects to the Ethernet module, he is prompted for a user name and
password, then taken to the Ethernet module home page.
Rosemount web pages
Rosemount web pages
Rosemount™ Web Ser ver
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Rosemount™ Web Server
April 2016
4.3.1Home page
Figure 4-2. EtherNet/IP Module Home Page
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00809-0100-4765, Rev. AB
12
On this page, current data for the most commonly used process variables is displayed. Tabs
provide access to other web pages:
Administration page: Allows the admin user to change passwords and perform
downloads from the Ethernet module (the EDS file).
Network Configuration page: Allows the user to view or configure Ethernet module
network settings
All other pages: Various transmitter tasks, including viewing process data,
configuration, calibration, stopping and starting totalizers, and Smart Meter
Verification. For more information about any of these tasks, see your transmitter’s
configuration manual.
Note
If the Ethernet module loses communication with the Rosemount device, all process variables
are shown as 0.0f. Also, an explicit read to 0xB0-0x01-0x1D returns a value of 0.
N/A4ActivityFlashing greenPacket is received or transmitted.
Status
StatusMeaning
OffNo power applied to the module.
Solid greenThe module is operating correctly.
Flashing greenStandby; the module has not been initialized.
Flashing redMinor fault. The module may or may not be able to recover.
Solid redMajor fault. No recovery is possible. The module must be returned to
Rosemount
Flashing green/redSelf-test
OffThe module has no power or no IP address has been assigned.
Solid greenThe module has at least one established Ethernet connection.
Flashing greenThere are no Ethernet connections established to the module.
Flashing redOne or more of the connections to this module has timed out.
Solid redThe module has detected that its IP address is already in use.
Flashing green/redSelf-test
Solid GreenThe module is connected to an Ethernet network.
™
for repair. See the manual for the return policy.
Troubleshooting
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Troubleshooting
April 2016
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00809-0100-4765, Rev. AB
LED display
number/name
5Subnet
Status
6Device StatusOffPower off.
Modbus Serial
StatusMeaning
OffPower off.
Flashing greenRunning correctly, but one or more transaction errors has occurred.
Solid GreenRunning.
Solid RedTransaction error/timeout or network stopped. Check the Modbus
serial network wiring and configuration, especially the baud.
Flashing redMissed transactions.
Flashing red/greenConfiguration missing or invalid.
Solid RedContact Rosemount customer service.
Flashing redContact Rosemount customer service.
Solid GreenInitializing
Flashing greenConfiguration OK.
5.2Common problems
SymptomResolution
Problem during configuration
upload/download.
The Config Line LED turns red in
the Ethernet Config Tool.
The serial port seems to be available, but it is not possible to
connect to the
module
Poor performance• In the Ethernet Config Tool, right-click
No Modbus serial network functionality
Process variables displayed or
reported as 0
Ethernet
.
Serial communication failed. Try again.
Serial communication failed. Try again.
• The serial port may be in use by another application. Exit the Ethernet module
Configuration Tool and close all other applications, including the ones in the system
tray. Try again.
• Select another serial port. Try again.
Sub-Network Status to see status / diagnostic information about the Moldbus
select
serial network. If the
check your cabling and/or try a lower baud rate setting for the Modbus serial
network (if possible).
• Is the Sub-Net Monitor in the Ethernet Config Tool active? The sub-network
monitor has a negative influence on the overall performance of the gateway, and
should be used only when necessary.
• Is the Node Monitor in the Ethernet Config Tool active? The node monitor has a
negative influence on the overall performance of the gateway, and should be used
only when necessary.
• Use the Data logger functionality of the Ethernet Config Tool to record the serial
data communication on the sub-network.
• If no data is being transmitted, use the Ethernet Config Tool to check the configuration.
• If no data is being received, check the cables and connections. Also verify that the
transmitted data is correct.
• Verify the Modbus connection between the
Ethernet module reports a large number of re-transmissions,
Sub-Network in the Navigation window and
Ethernet module and the device.
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Troubleshooting
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5.3Customer Service
LocationTelephone number
U.S.A.800-522-6277 (toll free)
Canada and Latin America+1 303-527-5200 (U.S.A.)
AsiaJapan3 5769-6803
All other locations+65 6777-8211 (Singapore)
EuropeU.K.0870 240 1978 (toll-free)
All other locations+31 (0) 318 495 555 (The Netherlands)
Email: flow.support@emerson.com
5.4Return policy
5.4.1Requirements
Troubleshooting
April 2016
Emerson Process Management procedures must be followed when returning equipment.
These procedures ensure legal compliance with government transportation agencies and
help provide a safe working environment for Emerson employees. Failure to follow Emerson
Process Management procedures will result in your equipment being refused delivery.
Information on return procedures and forms is available from the Rosemount Customer
Service department.
5.4.2New and unused equipment
Only equipment that has not been removed from the original shipping package will be
considered new and unused. New and unused equipment requires a completed Return
Materials Authorization form.
5.4.3Used equipment
To expedite the return process outside the United States, contact the nearest Rosemount
representative. Within the United States and Canada, call the North American Response
Center using the 800-654-RSMT (7768) toll-free number. The Response Center, available 24
hours a day, will assist you with any needed information or materials.
The center will ask for product, model, and serial numbers and will provide a Return Material
Authorization (RMA) number. The center will also ask for the name of the process material
to which the product was last exposed.
Troubleshooting
Mishandling products exposed to a hazardous substance may result in death or serious
injury. If the product being returned was exposed to a hazardous substance as defined by
OSHA, a copy of the required Material Safety Data Sheet (MSDS) for each hazardous
substance identified must be included with the returned goods. The North American
Response Center will detail the additional information and procedures necessary to return
goods exposed to hazardous substances.
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