The five major factors affecting the use of PLC control cabinets.

Release time:

2022-06-01

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Abstract

The PLC control cabinet is an automatic control device widely used in industries such as medical, water supply for daily life, wastewater treatment, transportation, metallurgy, chemical engineering, agriculture, irrigation, and machinery. The PLC control cabinet has strong reliability, high safety, and strong anti-interference capability.

　　PLC control cabinetIt is an automatic control device widely used in industries such as medical, water supply, sewage treatment, transportation, metallurgy, chemical engineering, agriculture, irrigation, and machinery. The PLC control cabinet has strong reliability, high safety, and strong anti-interference capability. Despite these advantages, if it is affected by harsh environments or improper operation during use, it can easily affect the control cabinet, leading to equipment misoperation or loss of control. Therefore, to improve the reliability and lifespan of the equipment, some issues need to be considered when using the PLC control cabinet. Today we will learn about the five major factors that affect the use of PLC control cabinets.

Five major factors affecting the use of PLC energy control cabinets

1. Regarding the working environment and temperature, it is generally required to be around 0 to 55 degrees Celsius. If the temperature exceeds this range, cooling measures for the control cabinet should be taken. Natural ventilation can be achieved through louvers on the cabinet or by using fans to circulate air inside the cabinet. If that still does not work, air conditioning should be used to cool the entire control cabinet. When the temperature is below 0°C, a small heater should be installed inside the cabinet to raise the temperature to the specified range.

2. Ensure that the humidity of the air in the PLC control cabinet is below 85% and that there is no condensation. In terms of air quality, dust, lint, corrosive gases, and flammable gases should be avoided. The PLC should be installed in a well-sealed control cabinet.

3. When using the PLC control cabinet, avoid direct sunlight or rain exposure. If water enters the cabinet, it can affect the normal operation of components. In severe cases, it can lead to short circuits in electrical equipment, posing a risk of electric shock and endangering personal safety.

4. If the PLC control cabinet is subjected to continuous or frequent vibration shocks, it may cause internal parts to loosen, leading to poor contact and equipment failure. Therefore, the installation of the PLC control cabinet should be away from strong vibration sources and impact sources. If vibration shocks cannot be avoided, shock-absorbing rubber rings can be used for damping.

5. When using the PLC control cabinet, ensure smooth air circulation inside the cabinet and that all components are installed in reasonable positions for easy inspection and maintenance in case of future failures. Also pay attention to transformers, frequency converters, and PLCs. Additionally, reserve space for future system expansion to prevent mutual interference.

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