这个程序对于学习流行学习算法的朋友很有借鉴意义，在matlab上能够运行。-This procedure popular learning algorithm for learning a friend of referential significance, in the matlab able to run.

The VPC3+C handles the message and address identification, the data security sequences and the protocol processing for PROFIBUS-DP. In addition the acyclic communication and alarm messages, described in DPV1 extension, a