Change the EtherNet/IP Mode

You can change the
EtherNet/IP™
 mode in the
Studio 5000 Logix Designer®
 application or
FactoryTalk® Linx
 software.
IMPORTANT:
Exercise caution when you change the
EtherNet/IP™
 mode on your controller and consider the possible effects of the change.
IMPORTANT: With
ControlLogix®
 5590 controllers, the Ethernet ports on the controller itself are labeled 1 and 2. In programming and communication software, the ports are described as A1 and A2.

Effects of changing the EtherNet/IP Mode

The effects of changing the
EtherNet/IP™
 mode are different based on mode change. Make sure that you are aware of them before changing the
EtherNet/IP™
 mode.
Effect of Changing the EtherNet/IP Mode
EtherNet/IP™
 Mode Change
Effects
Dual-IP Mode to Linear/DLR Mode
IMPORTANT
: You cannot change the controller
EtherNet/IP™
 mode from Dual-IP to Linear/DLR when you are connected through port 1 port. You must be connected to the controller via port 2 to change from Dual-IP mode to Linear/DLR mode.
  • The port 2 IP address, network mask, default gateway settings are applied to the A1/A2 port.
  • The MAC address of port 1 is applied to port A1/A2.
  • Attempts to change from Dual-IP mode to Linear/DLR mode are only successful if the I/O configuration section in at least one port does not contain modules.
  • If the I/O configuration sections for both ports include modules, you cannot change the
    EtherNet/IP™
     mode from Dual-IP mode to Linear/DLR mode.
Linear/DLR Mode to Dual-IP Mode
  • The port A1/A2 IP address, network mask, default gateway settings are applied to port 2.
  • Other port A1/A2 settings, for example, DNS servers and Domain Name, are lost.
  • The port A1/A2 MAC address is applied to port 1. A separate MAC address is applied to port 2.
  • Port 1 is DHCP-enabled.
  • The I/O Configuration section in the Logix Designer application project is automatically assigned to port 1.
  • You can change the I/O configuration in the Logix Designer application project to assign it to port 2.
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