DC Signal Transmitter 4-20mA 0-10V 0-5V Galvanic Signal Converter 2 in 2 out 2 in 4 out Analog Signal Isolator

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Anhui Qidian Automation Technology Co., Ltd.

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Signal Isolator
4-20mA 0-10mA 0-20mA 0-10V 0-5V 1-5V
4-20mA 0-10mA 0-20mA 0-10V 0-5V 1-5V
1 in 1 out 1 in 2 out 1 in 3 out 1 in 4 out 2 in 2
DC24V
0.01%
QIDIAN
Carton Package Express Shipping
12.8*11.6*2.8
China Mainland
9026900010
Product Description
1.  DC signal isolators are a type of equipment widely utilized in the field of industrial automation. Their primary function is to isolate, convert, and transmit DC signals. During the contemporary industrial production process, signals need to be transmitted among various automatic instruments, control systems, and actuators. These signals include both weak small signals and powerful large signals, and their frequencies vary. In such a complex environment, the problem of signal interference becomes particularly prominent, and thus DC signal isolators emerged to address these issues.

    Introduction to DC signal isolators

    The principal function of DC signal isolators is to isolate and amplify the input DC signal and convert it into the necessary output signal. It can effectively resolve problems such as ground loop interference and natural interference, ensuring the stability and accuracy of signal transmission. Specifically, DC signal isolators possess several crucial functions:

    Signal Isolation: Disrupt the electrical connection between the input and output through methods such as photoelectric isolation or transformer isolation, thus preventing local loop interference.

    Signal Conversion: Transform the input DC signal into other types of signals, for example, convert a voltage signal into a current signal, and vice versa.

    Signal Amplification: Amplify the input weak signal to meet the signal requirements of subsequent equipment.

    Protection Function: Provide overload protection and short-circuit protection to prevent equipment damage resulting from abnormal circumstances.

    Advantages of DC signal isolators

    Enhance the stability of signal transmission: Through the signal isolation technology, DC signal isolators can effectively eliminate ground loop interference to guarantee the stability and accuracy of signal transmission.

    Increase the anti-interference capability of the system: DC signal isolators can effectively insulate external electromagnetic interference, enabling the system to operate stably in a complex electromagnetic environment.

    Simplify system design: The application of DC signal isolators can simplify system design and installation, reducing problems caused by grounding issues.

    Multifunctional integration: DC signal isolators not only have the signal isolation function but also integrate several functions such as signal conversion and signal amplification to meet various application requirements.

    Facilitate maintenance: DC signal isolators typically adopt a modular design, which is easy to install and maintain, reducing the maintenance cost of the system.

    Disadvantages of DC signal isolators

    High cost: Despite numerous functional advantages of DC signal isolators, their cost is relatively high, especially in large-scale applications, which might increase the overall cost of the system.

    Space occupancy: Although many DC signal isolators have a miniaturized design, they may still occupy more space in some application scenarios with limited space.

    Require attention to the matching issue: When using DC signal isolators, attention needs to be paid to the matching issue of the input and output signals; otherwise, the accuracy and stability of signal transmission might be affected.

    Application scenarios

    DC signal isolators are widely employed in various industrial automation systems, such as:

    Process control system: Utilized for controlling and monitoring various process parameters in industries such as chemistry, metallurgy, electricity, and others.

    Data acquisition system: Employed for collecting and analyzing various experimental data in laboratories and scientific research institutions.

    Motor drive system: Applied for controlling and driving various electrical equipment in fields such as manufacturing, transportation, and others.

    Communication system: In the areas of telecommunications, networks, etc., used for isolating and converting various communication signals.

    In conclusion, DC signal isolators, as vital signal processing equipment, play an irreplaceable role in the field of industrial automation.





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