摘要 |
A programmable display device that is connected to a control device controlling a plurality of devices and functions as a user interface for the control device includes an acquisition unit that acquires drawing data including class definition information having a plurality of objects linked as one composite object, an instance generation unit that generates a composite object instance according to the class definition information, and a display control unit that displays a screen corresponding to the composite object on a display unit according to the generated composite object instance, and the generated instance has the plurality of objects and a virtual device memory for instance that is cross-referenced when data is transferred among the objects. |