Application of Structurization and Object-oriented Programming in Stock Yard

Over one hundred belt conveyers of conveying system form a complicated transportation network at TISCO stock yard.In order to improve conveying efficiency and control reliability,the authors,focusing on the characteristic of converter group control,propose the programming principle of function modulization and structurization and object-orientation.Simple,highly effective,understandable and expandable,the process control system for stock yard was put into service only after one month's programming and commissioning and has been running for six years with satisfactory effect.