PLC Programming

DDE communcation with the GatewayDDE Server...
.GlobVar1 (* Reads the global variable GlobVar1 *)
Linking variables using WORD
Start the GatewayDDEServer before activating the inquiry in WORD.
In order to get the current value of the variable TEST from the POU PLC_PRG through the DDE
interface in Microsoft WORD, a field (e.g., the date) must be inserted in WORD ('Insert' "Field"). Now
when you click on the field with the right mouse button and select the command "Toggle Field Codes"
you can change the field function for the chosen text. In our example, this would look as follows:
{ DDEAUTO GATEWAYDDESERVER "BSP.PRO" "PLC_PRG.TEST" }
Click on the field with the right mouse button again, then click on "Update Field" and the desired
variable content appears in the text.
Linking variables using EXCEL
Start the GatewayDDEServer before activating the inquiry in EXCEL.
The following must be entered in Microsoft EXCEL before you can assign a variable to a cell.
=GATEWAYDDESERVER|!
Beispiel:
=GATEWAYDDESERVER|'bsp.pro'!'PLC_PRG.TEST'
When you click on 'Edit' then "Links", the result for this link will be:
Type: CODESYS
Source file: C:\CODESYS\PROJECT\IFMBSP.PRO
Element: PLC_PRG.TEST
{ DDEAUTO GATEWAYDDESERVER "BSP.PRO" "PLC_PRG.TEST" }
Command line options for the GatewayDDEServer
If the GatewayDDE Server is started by a command line, the following options can be attached:
/n The info dialog does not appear
automatically at starting
/s Display of the dialog window /s=h
/s=i
/s=m
/s=n
No
minimized (icon)
maximized
normal
/c Configuration file to be load automatically l /c=
/o Go online with the selected configuration
(autoload or defined by "/c=")
Example:
Command line:
GATEWAYDDE /s=i /c="D:\DDE\conf_1.cfg"
The GatewayDDE Server will be started, the dialog window will appear as an icon, the configuration
which is stored in the file conf_1.cfg will be loaded.
9-4 CoDeSys V2.3