Configuring the Ethernet Port

To use the Ethernet port on the 171 CBU 98090 and 171 CBU 98091 processors, you need to perform the following tasks in Control Expert:

  • create an Ethernet network

  • link the new Ethernet network to the Ethernet port on the processor

Follow these steps to configure the Ethernet port:

Step

Action

1

Create an Ethernet network. In the Project Browser, navigate to Project > Communication > Networks.

2

Right click the Networks node, and select New Network from the menu:

The Add Network dialog opens.

3

In the Network tab of the Add Network dialog, select Ethernet as the network type, and accept the default network name (in this example, the default network name Ethernet_1:

4

Click OK to save the new Ethernet network.

The next task is to associate the new network with the Ethernet port. on the processor.

5

In the Project Browser, navigate to and open the Project > Configuration folder.

6

Double-click the Momentum Bus node to display the processor on its I/O base:

7

In the Momentum Bus window, double-click the Ethernet port to open the configuration window for that port.

8

In the Ethernet port configuration window:

  1. Select the Ethernet channel.

    NOTE: The Ethernet port operates at channel 3 in both the 171 CBU 98090 and the 171 CBU 98091.

  2. Select ETH TCP IP in the Function list.

    NOTE: Selecting ETH TCP IP in the Function list displays the Task and Net Link fields.

  3. In the Net Link field, select an Ethernet network (here Ethernet_1) to link to the Ethernet port.

8

In the Control Expert menu bar, click the Validate button; then click the Save button.