Declaring Variables in GF_ProjectVX code

Whatever the PLC language you are using, GF_ProjectVX code allows you to disregard the syntax above, as it supplies the Local variables editor, the Global variables editor, and the Parameters editor, which provide a friendly interface to declare all kinds of variables.Program Organization UnitsProgram organization units (POUs) are functions, function blocks, and programs. These program organization units can be delivered by the manufacturer, or programmed by the user through the means defined in this part of the standardPOUs are not recursive; that is, the invocation of a POU cannot cause the invocation of another POU of the same type.