Many enterprises design their device with motion controller as one parts of whole equipment. On the Internet, if the engineer wants to do a remote technology support to a particular motion controller, the latter need to have an Internet IP address which can be accessed. Fixed (static) IP address with limited resources, the user must pay high cost. This paper presents VPN technique to remote technology support for Siemens SIMOTION motion controller. A detailed analysis of the application effect is shown. The result shows the feasibility of remote technology support to motion controller using VPN technology.