A tested soil-bin is an effective device which can be well used to test the whole or components of the agricultural machinery.It is convenient to get some effective data and information,which is important for the research and test on a new agricultural machine.Therefore,a multifunctional control system which is easy to use is of great significance.A new computer control and test system featuring PLC control and PXI bus has been designed to control the whole soil-bin system including motion control and corre...