Device group definitions

Use the Device Groups configuration view, to create, add, delete, and define device groups. You can also configure default update intervals for the objects and edit update intervals in this dialog box. To open the Device Groups dialog box, in the Device Selector configuration editor, click the Device Groups tab.

Note: When you select another part of the Communication Driver tree hierarchy, you are prompted to save the modifications to the configuration set.

Create or add device groups

1. Right-click anywhere in the table, and then click Add. A device group is added with a default name and update interval.

2. Enter a unique name up to 32 characters long for the device group.

Delete device groups

3. Right-click the device group to be deleted, and then click Delete.

4. Read the warning, and then click Yes.

Edit device groups

Use the Edit option from the Device Groups tab only for configuring the Communication Driver’s unsolicited message handling.

Configure default update intervals

To configure a default update interval for the object, right-click in the Device Groups box and then click Config Default Update Interval.

Edit update intervals

To edit the update interval for an object, double-click its value in the Update Interval column and make the edits.

or

Right-click its value in the Update Interval column and then click Modify Update Interval.

The update interval is the frequency, in milliseconds, that the MELSEC Communication Driver acquires data from the topics associated with that device group.

Different topics can be polled at different rates from a PLC by defining multiple device group names for the same PLC and setting a different update interval for each device group.