Realisering av SCADA-system för ventilation
This is a thesis which describes a process for realizing a SCADA system using Codesys and iX developer, after a given function description. This is followed by an investigation about the Modbus protocol. That is applied to do the communication possible between the different parts in the system. The report includes a simple part of theory. This treats concepts like SCADA, PLC, I/O-devices, communic