5. Initial Programming
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Figure 5-24. Modules_Diagnostics GVL in Online Mode
GVL Qualities
In “Qualities” GVL, are declared the quality variable of the internal variables MODBUS
Master/Client of symbolic mapping . It is not mandatory but is recommended to use these variables'
automattic generation, what is done clicking on button “Generate Quality Variables” in the device
mapping tab. These variables are declared as “LibDataTypes.QUALITY” type and follow the
following structure:
Quality mapping variable declaration
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General