
Setting up OPC and DDE communications 3–13
To create a DDE node:
1. In the Project Manager, open the System folder.
2. Open the Node editor by doing one of the following:
double–click the Node icon
right–click the Node icon and then click Show
3. Create a node by filling in the following information:
Data Source
Select DDE Server.
The Tag Database editor does not check addressing syntax for
programmable controllers that communicate through a DDE
server. If the syntax is invalid, an error will be generated at
runtime.
For details about the OPC Server data source, see “Creating an
OPC node” on page 3-5. For details about the Direct Driver data
source, see Chapter 2, Setting up direct driver communications.
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