Watlow LogicPro - Manual (Page 278)

Chapter 17: Dynamic Data Exchange LogicPro User’s Guide
262 Watlow Anafaze Doc.# 28002-00 Rev 3.00
• The symbolic name.
• Type of Variable ( BOOL=0, INT=1, REAL=2 ).
• A Program index.
The Variable names are the same as the item names used by
other application Programs to make requests through the DDE
Server.
NOTE! Do not modify this file. LogicPro will make any
corrections as they are needed.
For more detailed information, refer to Chapter 6, Variables.
Topics
The following commands for topics are accessed through the
Topic menu:
• New Topic
• Open Topic
• Close Topic
• Modify Topic
• Delete Topic
Creating A New Topic
Before any communication can begin between the LogicPro
DDE Server and client applications, you need to create a
topic.
To create a New topic:
1. Select the Topic menu.
2. Select New Topic . The New DDE Topic dialog box
appears.
3. Enter a topic name in the Topic field.
4. Enter the name of the .FPR file. If you are not sure of the
file's name or location, click [Search] to open a stan-
dard Windows search dialog to locate the file.
5. Click [OK] .