Ethernet Services

The 171 CBU 98090 and the 171 CBU 98091 processors provide the following Ethernet services:

  • Security (for CPU versions 2.0 and higher)

  • IP address assignment

  • Modbus Messaging and Access Control

  • I/O Scanning

  • SNMP agent

  • Bandwidth Monitoring

The 171 CBU 98091 processor also includes the Global Data automatic data exchange service.

Both the I/O Scanning service and the Global Data service can be enabled or disabled using Control Expert. The other Ethernet services remain continuously enabled during operations.

Enabling Ethernet Services

To enable Ethernet services for the processor:

Step

Action

1

In the Control Expert Project Browser, select an Ethernet network by navigating to Project > Communication > Networks .

2

Double-click an existing Ethernet network. A configuration window for the selected Ethernet network opens.

 
NOTE: The Module Family area is read-only and displays the selected processor type (in this example, CPU M1E-GD).

3

In the Model Utilities area, you can select Yes from the drop-down list to enable:

  • IO Scanning

  • Global Data (for the 171 CBU 98091 processor)