Introduction：The platform software based on CODESYS is a set of fully-functional industrial automation system. Combined with the automation control software CODESYS, the field bus EtherCAT based on the industrial Ethernet and the self-developed HMI configuration software, the software platform realizes the perfect integration of logical control and motion control, which supply the customer with a developed, mature, flexible automation software platform. The customers can just use this individual software tool to work out a comprehensive automation solution.