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Connecting to Ethernet Section 5-1
5-1 Connecting to Ethernet
5-1-1 Setting the IP Address
You can use either of the following methods to set the IP address for an
NE1A-series Controller that supports EtherNet/IP.
Method 1: Acquiring the IP Address from a BOOTP Server
(This is the default mode for NE1A-series Controllers that support Ether-
Net/IP.)
Use this setting method when it is possible to connect a BOOTP server to
the network.
Method 2: Using the Network Configurator to Make the TCP/IP Settings
An NE1A-series Controller that supports EtherNet/IP will operate in the
state shown below when power is turned ON while the IP address display
switch is pressed.
Use this setting method when it is not possible to connect a BOOTP server
to the network.
Method 1: Acquiring the IP Address from a BOOTP Server
The default mode for NE1A-series Controllers that support EtherNet/IP is for
the Controller to be started with the IP address acquired from a BOOTP
server. In this mode, the IP address can be automatically acquired from the
BOOTP server.
Obtaining a BOOTP Server Running on a Personal Computer
The Rockwell Interactive BOOTP/DHCP Utility is the BOOTP server rec-
ommended by ODVA. It can be downloaded from the following site:
http://www.ab.com/networks/bootp.html
The MAC address may be required to set the BOOTP server. The MAC ad-
dress is given on the nameplate on the front of the Unit.
Method 2: Using the Network Configurator to Make the TCP/IP Settings
When an NE1A-series Controller that supports EtherNet/IP is started with the
IP address switch pressed, the default is for the Controller to be given a start-
ing IP address of 192.168.250.1. After the Controller has started with this IP
address, the Network Configurator can be used to make the TCP/IP settings,
including the IP address. For details, refer to 5-1-2 TCP/IP Settings.
Setting Operating status
IP address 192.168.250.1
Subnet mask 255.255.255.0 (Class C mask status)
Default gateway None (IP routing disabled)
Preferred DNS server None
Alternate DNS server None
Host name None
Domain name None
Baud rate Auto-detect
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