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L-INX/L-GATE User Manual 82 LOYTEC
Version 7.2 LOYTEC electronics GmbH
one is created. If there is already a suitable global variables object, the existing
variables are saved.

There is already a suitable global variables object: If there is an old and new variable
with identical name, the type of the variable is checked. In case of a type mismatch
of the old and new variable, the old one is discarded and the new one is imported.
Additional a warning is printed on the
Error-state viewer .

The name of the global variables object represents the folder name in the L-INX
Configurator.
After exporting the data points as global variables to logiCAD, they can be used in the
Functionplan ‘Plan_1’. To open the respective global variables folder double-click on it. To
use the imported variables simply drag and drop the required global variable on to the
Functionplan, see Figure 65. The external variables (see Section 8.5.2) are automatically
created when adding the global variable to the Functionplan.
Figure 65: Adding global variables to Functionplans
After adding function blocks that perform the expected work, the IEC61131 program is ready
to compile and download (see Section 8.4.2).
8.5.2 Starting with logiCAD
This section introduces a workflow how to develop a new IEC61131 program from scratch
using logiCAD. Figure 66 shows the necessary steps to perform. For starting a new logiCAD
project refer to the quick-start of Section 5.6.