The thesis presents a feasibility study of process control in beer production according to ANSI/ISA – 88 standard. The complete solution in terms of process control is implemented in Siemens TIA Portal software, which is intended for programing programmable logic controllers and human machine interfaces. The standard was developed in order to provide a consistent set of standards and terminology for batch control and design philosophy. The philosophy of the standard proposes a control design based on actions and states. The actions define a transition condition for crossing from one state to another.
The first part of the thesis presents the basics of the ANSI/ISA – 88 standard on the example of a brewing process, where process models, physical models, procedural models, and the relations between the models, commands and states are explained. Each command has a requirement for triggering. Similarly, also the states have a requirement for transition into other states. The first part also includes an explanation of the brewing process, which consists of six basic processes.
The second part of the thesis includes a feasibility study of the brewing process control using the ANSI/ISA – 88 standard. Process control is designed and developed in Siemens TIA Portal according to the ANSI/ISA – 88 standard philosophies on the PLC control level. The study includes implementation of all six basic processes of beer production. The second part also shows the designed solution on the HMI level with PLI visualization and control visualization of each process part. The visualization is divided to three main parts, which include all basic process on the visualization level and the visualization of the PLI of each process.