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Appendix C
Connect to Networks via Ethernet Interface
Table 28 - Configuration Parameters (Continued)
Parameter
Description
This is the IP address of the computer acting as the local Ethernet network Secondary Domain Name System
Secondary Name Server
(DNS) server.
When DHCP is enabled, a DHCP server automatically assigns network related parameters to the ArmorBlock
module when it logs on to a TCP/IP network. There must be a DHCP server on the network capable of allocating
DHCP Enable
network addresses and configuring parameters to newly attached device. When DHCP is disabled, the
ArmorBlock module uses the locally configured network related parameters (IP Address, Subnet Mask, Gateway
Address, and so on).
When Auto Negotiate is disabled (unchecked), the Ethernet speed/duplex is forced to either 10 Mbps/Half-
duplex, 10 Mbps/Full-duplex, 100 Mbps/Half-duplex, or 100 Mbps/Full-duplex, as selected in the Port Setting
Auto Negotiate and Port
field.
Setting
When Auto Negotiate is enabled (checked), the ArmorBlock module will automatically negotiate the link speed
and duplex with the module it is connected to.
Configure Using Studio 5000
Logix Designer Software
Enable or Disable the Web
Server
Configure Using Web Server
104
See the online documentation provided with your programming software or
see
Configure the Module for Your EtherNet/IP Network on page 27
Configure the Module Using Studio 5000 Logix Designer Software on page
With firmware revision 1.013 or later, the web server feature is disabled by
default. Use the network address switches to enable or disable the web server
for your application.
Value
Description
Enables the web server.
000
Cycle power to the module for the setting to take effect. When you apply power, the module LED
flashes red to indicate that the web server is enabled.
Disables the web server.
901
Cycle power to the module for the setting to take effect. When you apply power, the module LED
flashes red to indicate that the web server is disabled.
IMPORTANT For modules in field ControlFLASH™, the module does not disable the web
server by default. You need to Factory reset the module in order for the
web server to be disabled by default.
IMPORTANT To reduce the likelihood of exploitation and associated security risk, we
recommend that you keep the web server disabled.
For steps to enable or disable the web server, see
Server on page
106.
The EtherNet/IP ArmorBlock Supporting Sequence of Events module includes
an embedded web server which allows viewing of module information, TCP/IP
configuration, and diagnostic information.
For more information on ArmorBlock module embedded web server
capability, see
ArmorBlock Embedded Web Server on page
Rockwell Automation Publication 1732E-UM003D-EN-E - November 2021
Default
Status
0 (undefined)
read/write
1 (enabled)
read/write
Auto Negotiate
read/write
enabled
and
Enable or Disable the Web
105.
35.
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