Rockwell Automation Publication 5069-UM002A-EN-P - January 2019 53
Connect to the Controller Chapter 2
Set the Controller IP Address
CompactLogix 5480 controller Ethernet ports require IP addresses to operate
on an EtherNet/IP network. At initial power-up, the ports are DHCP-enabled
but do not have unique IP addresses assigned to them.
• If the controller is connected to a DHCP server at power-up, IP
addresses are assigned automatically.
• If the controller is not connected to a DHCP server at power-up, you
must assign unique IP addresses to the ports.
This section provides a general description of how to set an IP address.
The EtherNet/IP mode in which a CompactLogix 5480 controller operates
affects the setting and use of IP addresses on the controller.
For example, if the controller operates in Dual-IP mode, you must set an IP
address for each controller Ethernet port. That is, you must complete the steps
that are described in this section twice–once for each port.
For more information on how the EtherNet/IP modes affect the controller IP
address, see
page 131.
Multiple Ethernet Ports on Controller
The CompactLogix 5480 controller offers the following Ethernet ports to use
the Logix control engine side of the controller:
•A1
•A2
•B1
IMPORTANT The controller also has Ethernet port X1. Port X1 is only used with
the COS. Because this chapter focuses on how to use the Logix
control engine in a CompactLogix 5480 controller, the descriptions
do not apply to port X1 unless otherwise noted.
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