The professional software mPLC was developed particularly for decentralized, PC-oriented control systems. As programming language Python was used. Into mPLC assigned script language the Python represents already for years a revealed standard for object-oriented programming in the Internet and therefore very much developed and extensively. mPLC in the standard designs contain a version of the CAN monitor. This is able to hear in the CAN bus all data to supervise CAN bus communication and thus over CAN bus parameter sets and instructions out would drive to be able.