Industrial control acquisition system based on internet of things
An acquisition system and Internet of Things technology, applied in the field of industrial control acquisition, can solve the problems of poor equipment operation stability, long development cycle, and low recurrence rate of the control system, and achieve the effects of strong adaptability, low power consumption, and rich IO resources
Inactive Publication Date: 2014-11-26
SICHUAN JIUCHENG INFORMATION TECH
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Problems solved by technology
[0003] However, the problems of using network system control are that the network system control has complex components, high equipment and software development costs, difficult debugging and maintenance, inconvenient hierarchical management between stations and systems, long development cycle, and low recurrence rate of control systems , resulting in the inability to popularize network system control in industrial control systems, which limits the scale development of the manufacturing industry and affects the speed of product replacement
[0006] In view of the above-mentioned many advantages of the Internet of Things, the Internet of Things technology has been used in the field of industrial control acquisition in the prior art to realize the intelligent management of acquisition equipment, but because the current industrial control acquisition system is generally composed of power supply, main control , communication module and acquisition module are assembled, the installation environment is complex, the adverse effects of electromagnetic interference are relatively large, the operation stability of the equipment is also poor, and the operation and maintenance are time-consuming and laborious, which can no longer meet the emerging needs of the Internet of Things
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[0030] According to another embodiment of the present invention, the industrial control acquisition system based on the Internet of Things also includes a second UART interface 72, a first RS485 interface or an RS232 interface 14, a third photoelectric isolation circuit 16, and a 2-branch 4-20mA current output interface 20, 2 branch 0-10V voltage output interface 29 and the second RS485 interface or RS232 interface 30, the current signal input or output terminal of 2 branch 4-20mA current output interface 20 passes through the third photoelectric isolation circuit 16 and the current signal of high-speed DSP24 The input or output end is connected; the voltage signal input or output end of the 2 branch 0-10V voltage output interface 29 is connected with the voltage signal input or output end of the high-speed DSP24 by the third photoelectric isolation circuit 16; the first RS485 interface or RS232 interface 14 The signal input or output end is connected with the signal output or ...
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The invention provides an industrial control acquisition system based on an internet of things. The demand for development of the internet of things can be met, the internet of things can be conveniently and quickly established, and high-performance, high-stability, low-price and low-power-consumption sensor access products can be provided for the internet of things. The industrial control acquisition system is provided with devices and abundant IO resources, has very good adaptive capacity, can be flexibly configured so as to meet the industrial control acquisition demands in various industrial environments and provides necessary hardware support for development of the internet of things.
Description
technical field [0001] The invention relates to the field of industrial control acquisition, in particular to an industrial control acquisition system based on the Internet of Things. Background technique [0002] The traditional industrial control acquisition is to install corresponding data acquisition equipment on the industrial control machine or PC, and perform data acquisition and measurement analysis on the spot. It is a stand-alone localized measurement system. With the advancement of social technology, industrial control collection needs to face more and more collection nodes, and the data is getting larger and larger. The emergence of industrial local area network and internet makes it possible to control industrial control collection through the network system. [0003] However, the problems of using network system control are that the network system control has complex components, high equipment and software development costs, difficult debugging and maintenance,...
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IPC IPC(8): G05B19/042
Inventor 毛力
Owner SICHUAN JIUCHENG INFORMATION TECH