The application of PLC in the emerging field in recent years

( 1) In recent years, hollysys mining PLC products constantly, for its reliability, the advantages of the high performance of great user acceptance. Hollysys mining PLC products used in low pressure feeding switch, high voltage power distribution equipment, combination switch, load center, and other products, is gradually replace single-chip microcomputer protector and ordinary PLC products, equipment hollysys mining PLC has become the selling point of the company's products and some mining equipment advantages. ( 2) Using PLC to develop the new type collector solar water heater, can overcome the traditional solar water heater is affected by the climate, water temperature is not stable, can also be centralized water supply for multiple users. Using the Siemens S7 - 200 series PLC to control the operation, combined with the corresponding temperature, liquid level and flow sensor and PLC controller analog input to expand implementation of collector type solar energy water heater in the water temperature, water level and flow control. At the same time, the Siemens PLC and text display T D400 integration, realize the human-computer interaction interface, to set the inside of the hot water heater real-time online display and set the water temperature and water level. ( 3) With the development of science and technology and the progress of the society, automatic door also has been widely used in our daily life. The past generally USES logic control module control automatic door system, due to the high failure rate, low reliability, it is not convenient to maintenance and gradually be eliminated. Choose in automatic door control system of mitsubishi PLC as the controller, with the launch of the ultrasonic a switch and a photoelectric switch receives as input devices of the system, two sets of different sensor input control signal to the PLC, the system based on PLC coding table, I/O allocation table and action process of automatic door control, so as to realize control of the door open or closed ( Up or down) 。 Other still has a lot of new application fields such as: the Internet of things, municipal, new energy power generation, intelligent building electricity acquisition, medical distribution power system, etc. , not list one by one.
The global market was valued at programmable control systems in plc controller price and is expected to reach a market value of programmable control systems by plc controller price, with a CAGR of programmable control systems during the forecast period.
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