DMS-30LCD-0-5B-C Industrial Controls

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Panel Meters

Panel meters are devices widely used in industrial and commercial applications. They measure electrical parameters such as current, voltage, power, frequency, and phase. The DMS-30LCD-0-5B-C is a type of panel meters equipped with microprocessors and LCD displays and uses LED indicators to show the measurement results. The device housing is made of fire-retardant and shockproof plastic material and is waterproof, dustproof, and corrosion resistant due to its IP65 protection rating.

Application Field

DMS-30LCD-0-5B-C panel meters are suitable for industrial measurement and control applications such as electric power, electronic manufacturing, metallurgy, construction, petrochemical, pharmaceutical, aircraft, ships, and machinery. The range of applications includes motor speed control, transformer protection, contactor control, component temperature control, constant current, phase switch, battery switch, light switch, and temperature control. The device is used to measure and display the electric parameters, such as current, voltage, power, frequency, and phase. It is suitable for measuring AC voltage or current up to 300V or 30A.

Working Principle

The working principle of the DMS-30LCD-0-5B-C involves collecting the electrical parameters from the respective sensors, converting them into digital values, and then performing signal processing to display the measurement results on the LCD. The sensor\'s input consists of a single-phase, three-phase AC current or voltage signal. The collected signal is converted into a digital signal by an A/D converter, which is then processed by a microprocessor. The microprocessor sends the processed signal to the LCD display.

The microprocessor also provides a signal to the LED indicators to indicate whether the measured values exceed the preset range. The device can also be used to perform control operations by inputting a signal to a control system. Communicating with external PLC systems is also supported by the device. Furthermore, the device is equipped with over- and under-voltage protectors, overload protectors, and automatic recovery protectors to protect the device from damage due to abnormal conditions.

Conclusion

The DMS-30LCD-0-5B-C is a panel meter suitable for a wide range of industrial and commercial applications. It measures electric parameters such as current, voltage, power, frequency, and phase and converts them into digital values which are then processed and displayed on an LCD screen. The device also has LED indicators to display the exceedance of preset values and is equipped with various protective functions.

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