The DCS system is composed of system software, hardware, operation panel, and on-site instruments. Any problem in any part of the system can lead to partial functional failure or control system failure, and in severe cases, it can lead to production shutdown.
As for parking... the losses will definitely be significant.
In fact, a considerable number of DCS failures are caused by small daily details. In daily applications, strengthening the control of these small details can avoid the losses caused by a considerable number of DCS failures.
So what do you need to pay attention to? Recently, Tiantuo Sifang Technology has carefully organized relevant content, hoping to be helpful to everyone.
Firstly, let's take a look at the common sources of faults in DCS.
1. Human operation error
The development of DCS technology is relatively mature today, and the degree of modularization is also relatively high. Statistics show that the probability of hardware failure is relatively low, so DCS software and hardware failures are mostly caused by human factors: faults caused by improper configuration and operation are common.
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2. Information security
The field of industrial control is no longer a safe haven, let's take a look at the safety risks of industrial control
3. Power failure
During the operation of automated instruments, if a system power failure occurs, it will pose a fatal threat to the DCS system. Poor plug contact, inability to automatically switch on backup power, insufficient circuit breaker capacity, mismatched load on automation instrument lines, power supply line accidents, and circuit component damage can all lead to system power supply failures. Common impacts include power interruption, voltage sag, overvoltage, undervoltage, etc. If the voltage is too high, it is easy to burn out the board, while if the voltage is insufficient, it can easily cause the board to not work properly, resulting in board fault light alarms, abnormal signal output, and other phenomena. Power interruption directly leads to the paralysis of the DCS system.