6 1732E ArmorBlock 2 Port Ethernet Module
Publication
1732E-IN004A-EN-E - November 2009
Set the Network Address
The I/O block ships with the rotary switches set to 999 and DHCP enabled.
To change the network address, you can do one of the following:
• adjust the switches on the front of the module.
• use a Dynamic Host Configuration Protocol (DHCP) server, such as
Rockwell Automation BootP/DHCP.
• retrieve the IP address from nonvolatile memory.
The I/O block reads the switches first to determine if the switches are set to a
valid number. Set the network address by adjusting the 3 switches on the front
of the module (refer to the illustration on page 6). Use a small blade
screwdriver to rotate the switches. Line up the small notch on the switch with
the number setting you wish to use. Valid settings range from 001...254.
Network Address Example
When the switches are set to a valid number, the I/O block’s IP address is
192.168.1.xxx (where xxx represents the number set on the switches). The
I/O block’s subnet mask is 255.255.255.0 and the gateway address is set to
0.0.0.0. When the I/O block uses the network address set on the switches, the
I/O block does not have a host name assigned to it or use any Domain Name
Server.
If the switches are set to an invalid number (for example, 000 or a value
greater than 254 excluding 888), the I/O block checks to see if DHCP is
enabled. If DHCP is enabled, the I/O block asks for an address from a
DHCP server. The DHCP server also assigns other Transport Control
Protocol (TCP) parameters.
If DHCP is not enabled, the I/O block uses the IP address (along with other
TCP configurable parameters) stored in nonvolatile memory.
This example shows
the network address
set at 63.
44233
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