What are the factors that affect the test results of the tensile machine?

2022-12-23 03:05:42

Unstable power supply conditions

There are many high-power devices, and the start or stop of large inductive loads will cause grid voltage fluctuations. Therefore, the overvoltage or undervoltage of the grid voltage reaches ±15% of the rated voltage, and a spike interference control system occurs, which affects the accuracy of the measurement and control system.

2. Severe noise pollution

In a more complex system, the input and output lines and control lines of the signal are numerous and often have long transmission distances, and the interference introduced by them is frequent. If the signal of 0~15V is placed in the casing together with the power line of 220V AC, the mutual interference between the roads will be caused by electromagnetic induction. A common mode or differential mode voltage is formed in the channel, so that the measured signal occurs. Errors, even consuming the useful signals, make the computer not working properly. In addition, there are meteorological conditions from its space, changes in geomagnetic fields, electromagnetic waves, electromagnetic waves from communication launchers, and electromagnetic interference from surrounding electrical equipment. These radiated disturbances can sometimes affect the computer control system and prevent it from working properly.

3. Other environmental pollution

The temperature, humidity, floating dust, corrosive gas, etc. of the surrounding environment of the equipment will affect the reliability and stability of the computer control system. In summary, in the computer control system, it is necessary to solve the problem of adaptability to the surrounding environment, and take corresponding measures to improve its reliability.

What are the factors that affect the test results of the tensile machine?

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