This paper describes in details how to design the 200 ton bridge crane control system software of ChangHu Power Plant YinDe city Guandong province by OO method which is using the PLC as the hardware controller .

• 本文详细介绍了以plc作为硬件控制器,采用软件工程中面向对象的范型,对广东英德市长湖电厂200t桥式起重机控制软件进行的设计及其应用。