CALUnconditional Call
After the execution of the CAL command, the function block defined in the operand field is called. After finishing processing the function block, the main program will be executed with the command following the CAL command.
Valid operands for this operator must be of one of the following data types: Any valid function block identifier.
The same POU header is used for all programming languages. All input and output variables used for programming this function have been declared in the POU header.
