PART 3: CX-Server Runtime
CHAPTER 5 – DDE Manager Tool OMRON
CX-Server Runtime_Page 48 Revision 2.0
An update rate indicated in this manner overrides the default rate.
Manual Updates
If a manual link has been specified between an application and the CX-Server project, the information contained
within the application is not updated until the appropriate action is taken by the user.
Within Microsoft Excel, this would be achieved by highlighting the cell containing the link and selecting
Calculate Now from the Options menu to update the displayed contents of the cell.
Defining Update Intervals
The Update Interval dialog allows a default update rate (in seconds) to be assigned to new data requests. Use the
following procedure to define an update interval:
1, 2, 3…
1. Select the Update Interval option from the DDE Manager menu.
2. Enter the required update rate (in seconds) in the Interval field; this has a maximum
value of 65535.
3. Select the OK pushbutton to save the setting and close the dialog.
The new rate applies to those points which are activated after this rate has been set. Currently active points are
not affected.
Note: The default time interval for the DDE Manager tool (when it is initially installed) is
set to 15 seconds.
Special Data Types
The LREAL data type is now supported by the Points Editor for the CS1H-H and CJ1H-H PLCs. Support for the
LREAL type is as the IEEE754 Double precision (1.7E +308/-307) as defined by Microsoft®.
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