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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/877
Title: Distributed automation with S7 simatic components
Authors: Vo Nhu Thanh 
Keywords: Tia portal;S7-300;PROFINET;Automation
Issue Date: 2012
Publisher: Vietnamese-German University
Abstract: 
Automation has been widely used for a long time in many industries. It has been
applied mostly in assembly line and production line. Automation has a lot of advantages
such as increasing productivity, production quality control, saving labor, increasing
operation time and production cycle reduction. Based on effectiveness of automation, it is
proposed to apply the new Siemens Simatic S7-1200 in a production line for experiment
and testing.
The main point of this thesis is to design a completed automatic production line of
selecting material to completely storage the final product in a shelf. The project will have
4 stations which were built and tested by the previous experiment using S7-300 CPU
writing in Simatic Manager V 5.5 software. The first task is to translate the program of
the S7-300 CPU to the program that could be loaded to S7-1200 CPU which would be
written in Simatic TIA Portal V11 software. Those stations would be tested to work
properly. The next step is to make the communication between all stations by PROFINET
network. The final step is testing and correcting any defects and problems which may
occur during the experiment.
The main programs of the previous experiment for the S7-300 CPU were written in
Graph and STL (statement list) language. However, the Graph and STL language were
not supported by S7-1200 CPU. Therefore, the task is to import the programs from
Semitics Manager to TIA Portal software and translate the programs which were written
in Graph or STL into FBD (function block diagram) or LAD (ladder language diagram).
Even though the FBD and LAD were more complex and longer to write than the Graph,
they took less memory and faster for the CPU to process.
Also when connecting these stations together by PROFINET, the switches from
Siemens were used. As a result, these stations could be communicated in parallel as start
topology. It means one station can send and receive data directly from others station. It
VI
was different to the master and slave system which was generally used by S7-300. For the
star topology, the signal from one station to the other station would be faster and more
rapidly.
The production line finally worked properly. That was a very good experiment to
work with the new Tia Portal software and the new S7-1200 CPU. The software Tia
Portal was easier to program and handle the data; however, it required more powerful PC
to run the software. The CPU S7-1200 is cheaper than others and strong enough to do any
automation task. It would be the new technology that would be applied in all industrial to
replace the old system.
URI(1): http://epub.vgu.edu.vn/handle/dlibvgu/877
Rights: Attribution-NonCommercial 4.0 International
Appears in Collections:Mechatronics & Sensor Systems Technology (MSST)

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