32 Rockwell Automation Publication 1769-UM022C-EN-P - June 2018
Chapter 2 Install the Controller
Connect the Controller to an
EtherNet/IP Network
Connect the RJ45 connector of the Ethernet cable to one of the Ethernet ports
on the controller. The ports are on the bottom of the controller.
Connect to Different EtherNet/IP Network Topologies
The Compact GuardLogix 5370 controllers have embedded switch technology
and two EtherNet/IP ports that let you use it in different EtherNet/IP
network
topologies:
• Device-level Ring network topology - Both ports on the controller are
connected to the network with requirements about how the
connections are made.
• Linear network topology - Both ports on the controller are connected to
the network with requirements about how the connections are made.
• Star network topology - One port on the controller is connected to
the network.
For more information, see EtherNet/IP Network Communication
on page 72.
WARNING:
If you connect or disconnect the communication cable with
power applied to this module or any device on the network, an electrical arc
can occur. This could cause an explosion in hazardous location installations.
Be sure that power is removed or the area is nonhazardous before proceeding.
ATTENTION: Do not plug a DH-485 network cable or a NAP cable into the
Ethernet port. Undesirable behavior or damage to the port can result.
IMPORTANT This example shows how to connect the controller to the network through
one port. Depending on the Ethernet network topology of your application,
you can connect both ports of the controller to the EtherNet/IP network.
For more information on EtherNet/IP network topologies, see EtherNet/IP
Network Connections on page 77.
Bottom of Controller
Port 1 - Front
Port 2 - Rear
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