Access data using DDE

To connect to the Communication Driver using DDE addresses, be aware of the following address fields:

node name

The computer name identifying the node where the Communication Driver is located. Only required for remote access.

application name

The application name for the specific server instance (for example, OI.ABCIP_0001).

topic name

A device group defined for the device.

item name

The specific data element. This can be the device item name or the item reference.

The DDE/SuiteLink topic is the equivalent to the device group.

Note: DDE is supported only by the default instance of the Communication Driver.