Industrial Internet of Things refers to the application of Internet of Things in the industrial field. Specifically, on the one hand, the Industrial Internet of Things is a network system that intersects things and Internet services. On the other hand, the Industrial Internet of Things is also a breakthrough in the deep integration of automation and informatization. Some people may say that the Industrial Internet of Things and the Internet of Things, the Internet, and Industry 4.0 are not the same thing. This article will talk about the difference between them.
Compared with the application of the Internet of Things in multiple fields, the Industrial Internet of Things mainly focuses on industrial production
The Internet of Things has a wide range of applications, such as smart transportation, smart logistics, smart medical, smart power, etc. The main working principles are from the perception of the bottom layer to the transmission of the middle layer and the end application. The Internet of Things has a large number of device connections. In a widely distributed scenario, it is closely related to the coverage of the wireless network and the power consumption of terminal devices. The Industrial Internet of Things refers to the application of the Internet of Things in the industrial field. Industrial Internet of Things has the characteristics of general Internet of Things, but it is not a common Internet of Things application. The interconnection and intercommunication between devices requires extremely low latency and high reliability. It has extremely high index requirements for latency and reliability. Need to provide users with millisecond end-to-end delay and nearly 100% service reliability guarantee. Especially in the field of data communication, the industrial Internet of Things requires low power consumption, wide coverage, low latency, and high reliability, and its technical upgrade requirements are much higher than those of the general Internet of Things.
Industrial IoT systems must be scalable
A water monitoring system with hundreds of midpoints and endpoints spread over hundreds of kilometers is much more complicated than those ambitious consumer home automation projects.
Since the IIoT system generates billions of data points, it is also necessary to consider the way the information is transmitted from the sensor to the final destination—usually an industrial control system such as a SCADA (supervisory control and data acquisition) platform.
In order to disperse the pressure of a large amount of data on centralized processing systems, IIoT manufacturers are currently keen on designing hardware that can be directly analyzed on the device side, rather than relying on programs running on cloud servers for analysis (a kind of Emerging methods of edge computing or fog computing).
Industrial IoT devices have unique communication and power requirements
IIoT sensors are usually installed to measure difficult-to-reach long-distance infrastructure parameters. These infrastructures may be located below the surface (such as oil and gas facilities), high terrain (such as reservoirs), offshore (such as oil wells), or even In remote deserts that are difficult to reach by road (such as weather stations).
It is very difficult and expensive for equipment installation technicians to inspect these equipment. In order to minimize on-site inspections, IIoT devices need to be designed for as long as possible battery life, which is often achieved by using industrial-grade batteries.
IIoT's unique low-power and low-bandwidth requirements have prompted the development of a series of emerging network access series such as LPWAN and NB-IoT, which are the main means to connect these devices to the central server.
These are things that need to be kept in mind for precisely designed IoT devices, because cellular networks (providing high bandwidth and therefore excessive battery consumption) and protocols such as WiFi and Bluetooth (which are not scalable) cannot fully address the needs of industrial IoT devices.
In order to provide the greatest possible communication line redundancy, these gateways must be able to support IoT-specific and traditional networking technologies such as WiFI and Bluetooth. Having these functions on the same device at the same time is a huge challenge for hardware engineers.
Because the activities controlled by industrial IoT devices are very critical and it is difficult for operators to check on site, IIoT devices usually require complete remote control, with a short response time, and a built-in watchdog timer to ensure that the system can automatically restart when the system fails.
Consumer IoT products are different. They are usually used in easily accessible places, so they can use fixed power sources or traditional consumer-grade batteries.
Compared with Industry 4.0, which emphasizes the development stage, the Industrial Internet of Things is the way to realize intelligent manufacturing.
"Industry 4.0" is the fourth industrial revolution led by intelligent manufacturing. It aims to transform the manufacturing industry to intelligentization by making full use of the combination of information and communication technology and cyberspace virtual systems—cyber-physical systems. The four main characteristics of Industry 4.0 include: vertical integration of intelligent systems; horizontal integration of global value chain networks; integrated product life cycle management; and the combination of new and existing technologies. "Industry 4.0" emphasizes methodology, which points out the stage of industrial development, and at the same time points out that in the next period of time the development direction of manufacturing is intelligent. The Industrial Internet of Things is the specific method and starting point for the realization of "Industry 4.0". If you want to realize intelligent manufacturing and achieve the personalization and customization of industrial production, you must rely on the Internet of Everything.
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