Controllogix controller example – Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual

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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013

Chapter 4 Configuring the I/O

The Configure Drivers screen reappears with the new driver in the
Configured Drivers list.

7.

Click Close to close the Configure Drivers screen.

8.

Keep RSLinx running and verify that the computer recognizes the drive.

a. Select Communications > RSWho.

b. In the menu tree, click ‘+’ next to the Ethernet driver.

If the ‘EtherNet/IP driver’ cannot see your drive, as an alternative, use
either the ‘Ethernet devices’ or ‘Remote Devices via Linx Gateway’ RSLinx
driver.

ControlLogix Controller

Example

After the adapter is configured, the connected drive and adapter will be a single
node on the network. This section provides the steps needed to configure a simple
EtherNet/IP network (see

Figure 8

). In our example, we will configure a

ControlLogix controller with 1756-ENBT (Series A) bridge to communicate
with a drive using Logic Command/Status, Reference/Feedback, and 16
Datalinks (8 to read and 8 to write) over the network.

Figure 8 - Example ControlLogix EtherNet/IP Network

IP Address 10.91.100.80
ControlLogix Controller
with 1756-ENBT Bridge

IP Address 10.91.100.79
PowerFlex 70 Drive with
20-COMM-ER Adapter

Computer with
Ethernet Connection

Ethernet
Switch

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