Through the OPC Achieve VB Access WINCC's Data
WU Xiao-lei · Electric Drive · 2009
For reliable,high speed exchanges the data between the management network and the control network,the OPC technology and the VB programming were used to accomplish the communication between the management network server and the WINCC in the control system,and stored the data into SQL database to provide for the management network client.This method is simple and effective,improved the communication speed greatly.This shows that the control system software used the OPC technology can make the exchange of information between the system application software freely,enhance the control systems flexibility enormously.