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Duplicate IP Address
Detection
Configure Ethernet
Communications on the
ArmorBlock Module
Table 28 - Configuration Parameters
Parameter
Description
Hardware Address
The ArmorBlock module Ethernet hardware address.
The ArmorBlock module Internet address (in network byte order). The Internet address must be specified to
IP Address
connect to the TCP/IP network.
The ArmorBlock module subnet mask (in network byte order). The Subnet Mask is used to interpret IP addresses
when the Internet is divided into subnets. A Subnet Mask of all zeros indicates that no subnet mask has been
Subnet Mask
configured.
In this case, the controller assumes a Subnet Mask of 255.255.255.0.
The address of a gateway (in network byte order) that provides connection to another IP network. A Gateway
Gateway Address
Address of all zeros indicates that no gateway has been configured.
The Host Name is a unique name that identifies a device on a network. It must start with a letter, end with a
Host Name
letter or digit, and have as interior characters only letters, digits or hyphens. Maximum length is 64 characters.
It must have an even number of characters.
The default domain name can have the following formats:
Default Domain Name
'a.b.c', 'a.b' or 'a', where a, b, c must start with a letter, end with a letter or digit, and have as interior characters
only letters, digits or hyphens. Maximum length is 48 characters.
This is the IP address of the computer acting as the local Ethernet network Primary Domain Name System (DNS)
Primary Name Server
server.
The ArmorBlock module firmware supports duplicate IP address detection.
When you change the IP address or connect one of the modules to an
EtherNet/IP network, the module checks to make sure that the IP address
assigned to this device does not match the address of any other network
device. The module will periodically check for a duplicate IP address on the
network. If the module determines that there is a conflict (another device on
the network with a matching IP address), the Network Status Indicator
becomes solid red.
To correct this conflict, the IP address of one of the modules will need to
changed. If you decide to change the IP address of the ArmorBlock then, assign
a unique IP address to the module then cycle power to the module.
If you decide to change the IP address of the other module, remove the device
with the incorrect IP address or correct its conflict. To get the ArmorBlock out
of conflict mode, cycle power to the module or disconnect its Ethernet cables
and reconnect the cables. If you choose to disconnect the Ethernet cables to
correct this conflict you will need to disconnect both Ethernet cables from two
port Ethernet modules at the same time.
There are five ways to configure ArmorBlock module Ethernet
communications:
•
Via a DHCP request at module powerup
•
Manually setting the configuration parameters using Studio 5000 Logix
Designer software
•
Manually setting the configuration parameters using RSLinx software
•
Manually configuring the network settings using the embedded web
server
•
Set the IP address of the module using the modules network address
switches. See Connecting to an Ethernet Network on
Table 28
describes the configuration parameters.
Rockwell Automation Publication 1732E-UM003D-EN-E - November 2021
Appendix C
Connect to Networks via Ethernet Interface
page
Default
Ethernet hardware
address
0 (undefined)
0 (undefined)
0 (undefined)
NULL (undefined)
NULL
(undefined)
0 (undefined)
102.
Status
read only
read/write
read/write
read/write
read/write
read/write
read/write
103
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