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PART 3: CX-Server Runtime
OMRON
CHAPTER 5 – DDE Manager Tool
Revision 2.0
CX-Server Runtime_Page 47
Use the following procedure to copy a point:
1, 2, 3…
1.
Into another application, i.e. Microsoft Excel.
(a) Open
the
DDE Manager
and navigate to the appropriate location.
(b) Select the point from the list displayed. If necessary select the required group from
the Group hierarchy.
(c) Select the Edit/Copy option or click the copy button to copy the selected point to
the Microsoft Windows Clipboard.
(d) Open the required application and position the cursor at the point in the application
where this information is to be pasted; for example a Microsoft Excel cell.
(e) Select
the
Paste
option in the application to insert the copy. The exact nature of the
Paste
option varies according to the application and may takes the form of a
Paste
Special
option.
2.
Into another Device or Group:
(a) Open
the
DDE Manager
and navigate to the appropriate location.
(b) Select the point from the Tree view. If necessary select the required group from the
Group hierarchy.
(c) Select
the
Edit/Copy
option or click the
Copy Selection
button in the toolbar.
(d) Navigate to the point where the information is to be pasted and select
Edit/Paste
or
click the
Paste Selection
button.
Note that attempting to paste a copied point into the same location will warn you
that a point of the same description already exists.
Details about a point can be displayed by right clicking on the point and selecting the Properties option from the
menu.
Automatic versus Manual Updates
The links created between an application and the CX-Server project can be defined as ‘active’, in which case the
entry in the application file referencing that point is updated automatically with point data, or the link can be
‘manual’, i.e. the user controls when and if point data in an application is updated.
Automatic Updates
The application requesting data relating to a specific point is updated by the DDE Manager
tool whenever the
point data changes; this occurs at defined time intervals when the DDE Manager tool examines the PLC address
associated with the point to see whether the information it contains has changed or not. The update rate can be
specified when the CX-Server project is created, alternatively the DDE Manager tool uses a default update rate
if one has not been set.
Update rates can be included when defining the item specifier chapter of the DDE link; for example, a time
interval of 5 seconds for the item specified by “\pump1” is expressed as “\pump1,5”. The full DDE link
becomes: “=CDMDDE1‘C:\CX-Server\factory.cdm’!’\pump1,5’”
Содержание CX-PROGRAMMER V9
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