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Why do industrial automation need to use industrial computer?
Nov 30, 2018

Industrial automation and industrial robots have developed rapidly in recent years, and there are two solutions in the automatic control system of mechanical equipment and robots: one is based on PC-based control system; the other is based on industrial computer-based control system. . However, in the actual application, the solution based on the industrial computer is more practical. Although in the development process, the PC-based control system has brought about tremendous changes in the automatic control of mechanical equipment and robots, but in practice, after repeated comparison and verification, compared with the industrial computer control system, there are indeed many disadvantages and insufficient. So why is PC-based control systems extremely rare in real-world control? Why is the automatic control system more inclined to use the industrial computer?

Because PC-based control systems are more fragile than dedicated controllers and are more susceptible to damage in the event of a collision or other damage. Moreover, the use of a PC-based control system can make the startup of the control system more complicated, and it is difficult to do well in terms of cost savings. At the same time, the lack of security of the system is also an important factor to consider. Therefore, many times we regard the PC-based control system as an inefficient and safe safety control system, which has prompted manufacturers to choose more dedicated controllers.

When the security management software is embedded in the industrial computer (industrial PC), its basic function is to maintain the normal operation of the system. But there may be some risks that we have unpredictable. For example, when there is virus intrusion control software or resetting the firewall, it may invalidate some basic functions of the system.

The process control system is more sensitive to the interruption of the control program than the operation of the machine, and the system is more likely to cause production downtime, so the stability of the protection system becomes a key factor. If a robot control system fails, then at most we will stop the robot's production line, but if the process control system fails, it may cause the entire production line to stop, and it will bring a series of serious consequences.

But now the hardware systems of IPCs are now very strong. They have been able to adapt to harsh industrial environments such as strong earthquakes and high temperatures. They are as stable and reliable as traditional PLC control systems. Many people associate industrial computers with windows systems and think they are afraid of being hit and prone to failure. But industrial computers support Linux, Windows, or other vendor-developed software systems. And their reliability has improved a lot: the system has real-time monitoring capabilities, and some users will also use FPGAs and high-performance data processors to run real-time control systems on the FPGA.

Of course, research on the rationality of control continues, especially in the area of control where backup systems are needed. For those who need to switch from one system to another without buffering, PC-based controllers show a greater advantage. With a DCS system, a single-loop controller, and some PLC-based control systems, the control program and software control are relatively independent, so the control of the industrial computer is simpler and more convenient than direct program control.

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    Add:6th Floor 3# Building, No. C-3 Xunmei Industrial Area Fengze, Quanzhou Fujian 362000 China
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