Simulating Design of Central Air Conditioning Control System in Office Buildings Based on PLC

Xue Jing Sun

doi:10.4028/www.scientific.net/AMM.525.621

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 525Simulating Design of Central Air Conditioning...

Simulating Design of Central Air Conditioning Control System in Office Buildings Based on PLC

Abstract:

In this paper, based on the Siemens S7-200 programmable controller in the central air conditioning control system, hardware and software of the central air-conditioning control system is designed. In hardware design PLC controller is used as controlling core to control temperature and humidity of the entire process. In the software design, control programming and multi-loop control of temperature, humidity PID algorithm are completed by using PLC programming software STEP7 because of its characteristics that it is easy to read and easy to achieve complete control. Lastly, Related parameter is set and the information is displayed by touching screen.

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Periodical:

Applied Mechanics and Materials (Volume 525)

Pages:

621-624

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.525.621

Citation:

Cite this paper

Online since:

February 2014

Authors:

Xue Jing Sun*

Keywords:

Central Air Conditioning, Improved PID Regulator, Siemens S7-200, Touch Screen

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* - Corresponding Author

References

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[3] Wu Li: Industrial Control Computer. Vol. 23 (2010), p.114.

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[4] Gong Zhonghua: S7-200/300/400 PLC Application Technology. edtied by People's Posts and Telecommunications Press. (2006).

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[5] MICROMASTER 440 Universal converter use Daquan. SIEMENS Company (2002).

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