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National Repository of Grey Literature 13 records found  previous11 - 13  jump to record: Search took 0.00 seconds. 
Model of cleaning station for food processing technology controlled by a control system na PROFIBUS network.
 Vyskočil, Jaromír ; Sobotka, Milan (referee) ; Pásek, Jan (advisor)
This bachelor’s thesis deals with design, realization and laboratory commissioning of the model of keg / tank cleaning station (CIP) in foodstuff industry. The model uses two cleaning liquids – water and lye. There are several different types of valves used in the CIP model. They serves for inlet and outlet of lye or water and for separation of the both liquids branches. The control system offers monitoring of pressure, volume flow, level of the lye, etc. The measuring devises mostly communicate with PLC via industrial net PROFIBUS-DP and PA. The same net PROFIBUS-DP also provides communication between PLC and distributed control system Festo (valve island). Configuration and set up of the Festo valve island is described in the thesis as well. Further the work presents processing of the analogue values from different transmitters and their representation in a operator panel. Operator panel (OP) serves for control and visualization of the cleaning station. The OP configuration, the screens structure and the full functionality in the CIP station is explained. The individual screen description is incorporated as well. There are three modes of control – manual, semiautomatic and automatic. Automatic control is based on the recipe concept and the cleaning philosophy is split into several phases. The PLC control is presented in the form of flow diagrams algorithms and the program code in STEP7 is enclosed in attachment on CD ROM.
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Laboratory task of motion control during hanget object transportation
 Pražák, Ondřej ; Marada, Tomáš (referee) ; Němec, Zdeněk (advisor)
The diploma thesis deals with automatic control of transferring suspended objects. It is a strongly oscillating system for which a physical trial model has been made. An application has been made for this model, which controls this system by means of PLC, frequency inverter and operating panel, everything by Siemens.
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Control and monitoring of the water level in tank by means of PLC and ultrasonic sensor.
 Kosík, Tomáš ; Zemánek, Pavel (referee) ; Pásek, Jan (advisor)
Control and monitoring of the water level in tank by means of PLC, ultrasonic sensor and operator panel
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National Repository of Grey Literature : 13 records found   previous11 - 13  jump to record:
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