Rockwell Automation Publication ENET-UM004B-EN-P - November 2015 37
Configure an EtherNet/IP Communication Module Chapter 3
2. Configure the module parameters:
• IP address
• Subnet mask
• Gateway address
• Host name for the module
• Domain name
• primary/secondary DNS server addresses.
In the DNS server, the host name must match the IP address of
the module.
3. In the Logix Designer application, add the module to the I/O
configuration tree.
For more information, see Chapter 4,
Add an EtherNet/IP
Communication Module to a Controller Project on page 39.
IMPORTANT
Make sure the DNS enable bit is set.
• If you use Logix Designer application, version 28 or later, to configure
your module, the enable bit is set and DNS addressing is successful.
• If you use RSLinx software, version 2.41.00 or later, to configure your
module, the enable bit is cleared and DNS addressing fails.
IMPORTANT
If a child module resides in the same domain as its parent module, type the
host name. If the domain name of the child module differs from its parent
module, type the host name and the domain name (host.domain)
IMPORTANT
You can also use DNS addressing in a module profile in the I/O controller tree
or in a message path. If the domain name of the destination module differs
from the source module, use a fully qualified DNS name
(hostname.domainname). For example, to send a message from
AEN2TR1.location1.companyA to AEN2TR1.location2.company, the host
names match, but the domains differ. Without the entry of a fully qualified
DNS name, the module adds the default domain name to the specified host
name.
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