Used controller: based on Basic Tiger (Wilke Technology GmbH) .
The given purification devices provides biological purification of sewage of milk production.
The system of automatic control consists of the following parts:
- controller of the process;
- alarm signals;
- interface of data transfer between controller and computer;
- computer;
- visualization of process data.
The Controller of process performs the following functions:
- time and level control of two pumps;
- temperature measurement and control in four containers using automatic valves;
- pH measurement in four containers;
- transfer of temperature and pH values to the computer;
- transfer of alarm signal to the computer.