The Design and Implementation of Water Supply Automatic Control System Based on PLC

2014 ◽  
Vol 556-562 ◽  
pp. 2356-2358
Author(s):  
Yi Zhen Liu ◽  
Xian Yu Deng ◽  
Jing Yu

The technological process of water treatment automatic control of the steelmaking converter, hardware and software design of the control system are introduced in this paper. The design and realization of water supply automatic control system are based on the S7-400 Programmable Logic Controller.

2013 ◽  
Vol 443 ◽  
pp. 318-321
Author(s):  
Zhai Hong

This paper elaborates the control of environmental factors in the modern industry and agriculture, and according to the problem that the temperature and the humidity is hard to control automatically, this paper puts forward the design of the greenhouse automatic control system based on MSP430 single chip microcomputer. This design mainly introduces the overall design scheme of the automatic control system, and the use of the properties of various hardware based on MPS430, which mainly include temperature transmission sensor DS18B20 and the humidity transmission sensor CHR01. And then use the environmental control factor algorithm and numerical conversion fuzzy algorithm, so as to realize the temperature and humidity control system.


2010 ◽  
Vol 1 (MEDSI-6) ◽  
Author(s):  
M. Gu ◽  
Q.B. Yuan ◽  
Z.H. Chen ◽  
R.P. Wang ◽  
R. Chen

The in-vacuum undulator (IVU) controller has been developed and applied in Shanghai Synchrotron Radiation Facility (SSRF), China. The controller based on programmable logic controller (PLC) mainly controls two stepper motors for regulating the gap and taper of magnet array, implement automatic control of the correction coil power supplies, etc. In addition, the controller is also provided with a local and remote working mode. This paper mainly introduces related hardware and software design for the IVU controller.


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