The first stage is to realize the "machine to machine dialogue", that is, the networking of field equipment and the acquisition of the underlying data. Before the enterprise can analyze and model the data, there is still a lot of preparation for the hardware and software infrastructure in the factory. First, the factory's machines can communicate with all other machines and equipment in the plant and other remote locations, and have a large amount of data exchange, which is the basis of all subsequent links.
At present, most enterprises are still at this stage, realizing the interconnection of field equipment and ensuring the accuracy, reliability, completeness and timeliness of data and information communication, which is the foundation of the industrial Internet of things. Also be the problem that industrial enterprise wants to solve first. In many factories, existing automation equipment, such as actuators, sensors, controllers, instruments, and so on, have been in use for many years, or even for more than a decade, and enterprise users will not push down new equipment to replace existing equipment. And will not affect the production of the premise of expanding the communication capacity of existing equipment. However, the existing equipment comes from different manufacturers and does not adopt a unified communication protocol. It is necessary to use protocol conversion equipment to transform the original equipment and the production line to achieve seamless communication between the devices, such as advanced HMI, which supports different protocols. Protocol converters, or other automation products, connect these devices using different dedicated communication protocols.
According to the latest data from IHS Markit, the number of networked automation devices worldwide has reached 95 billion in 2017. Its annual composite growth rate from 2017 to 2021 will remain in the 11.6%.IO-Link sensor and IO-Link master markets and will also reflect strong demand for visualization of field layer information. IHS Markit predicts IO-Link networking node points at The five-year period from 2017 to 2021 will grow at a compound annual rate of 25. 7%.
The second stage is to realize the value output of data, including the third, fourth and fifth links, namely data access, analysis and value output. For enterprises, after solving the problem of how to collect data, the access and utilization of data is the next more important problem. Objectively speaking, the business logic within industrial enterprises is not standardized, and the level of automation is also different. It is not possible to use a set of common software platforms to solve the problems of every enterprise, and it is necessary to customize software development. This also needs industrial enterprise user to have more capital investment. At present, we can see that almost all industrial technology manufacturers have launched their own industrial Internet of things solution platform, such as IBM, Waston,GE, Predix,Schneider, EcoStruxure,Honeywell and Sentience..
At this stage, how to solve the problem of industrial Internet of things security, how to use machine learning and artificial intelligence technology, how to use edge computing and cloud computing, And how to play a positive role of mobile devices in the industrial Internet of things will become a topic of more concern.
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