News

  • Differences between RS485, TTL and RS232

    RS485, TTL and RS232 are serial communication protocols, the main difference between them lies in the transmission distance, transmission rate, signal level and communication mode. 1. Transmission distance: RS485 can achieve long-distance transmission, can reach thousands of metres. TTL and RS23...
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  • Warmly welcome Korean customers to visit us!

    Warmly welcome Korean customers to visit us!

    Warmly welcome our Korean Simida customer (a very cheerful Simida gentleman) to visit our factory to discuss the project of power module programme. This customer visit is mainly for the new upgrade design of JSY1009, looking forward to further cooperation, cheers!   Introduce for JSY1009 J...
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  • Good news! JSY-MK-163T is upgraded to bi-directional measurement!

    Good news! JSY-MK-163T is upgraded to bi-directional measurement!

    JSY-MK-163T module is a measurement module widely used in industrial automation, and its programmed version has been upgraded from unidirectional to bidirectional measurement, which will bring users more comprehensive and accurate measurement functions. In the past version of unidirectional measu...
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  • March New Trade Festival

    March New Trade Festival

     Alibaba March New Trade Festival, brings you a new customer marketing experience! In this season of spring, we sincerely invite you to participate in Alibaba March New Trade Festival and start a brand new shopping experience with us! In this special festival, we have prepared colorful promotion...
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  • JSY1045 Automotive AC Charging Post Module

    JSY1045 Automotive AC Charging Post Module

    JSY proudly introduces JSY1045 AC charging pile replacement programme JSY1045 is a solution developed by Shenzhen JSY Technologies Co., Ltd. to replace the traditional AC charging pile. The integrated design is only 70% of the volume and cost of the traditional AC charging device; it adopts the i...
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  • JSY-MK-194T Energy Meter Module

    JSY-MK-194T Energy Meter Module

    JSY-MK-194T metering module, as a new type of intelligent metering equipment, is favoured by customers for its accurate measurement function and convenient operation, and its best-selling situation has attracted much attention. Adopting advanced technology and high-quality materials, this meteri...
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  • Difference between phase and line voltage in power systems

    Difference between phase and line voltage in power systems

    Difference between phase voltage and line voltage  Line voltage refers to the voltage between the two lines in the multiphase power supply system, for three-phase power is A-phase, B-phase, C-phase voltage between the three-phase lead wires, the voltage between any two firewire is called line vol...
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  • How to Modify the Communication Address and Baud Rate of Electricity Metering Module?

    How to Modify the Communication Address and Baud Rate of Electricity Metering Module?

    A: There are two ways to modify the communication address and baud rate of  JSY’s power metering module: First, you can modify the software through the host computer provided by JSY Technology. Second, it can be modified by sending instructions, the specific examples are as follows: ...
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  • Chinese New Year Holiday Notice!

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  • JSY-MK-227, can it recognise AC and DC automatically?

    JSY-MK-227, can it recognise AC and DC automatically?

    A: JSY-MK-227 is an AC / DC adaptive measurement of power metering module, each time the power metering module is powered on will identify once the line is AC or DC, the power metering module can accurately measure a number of parameters, such ...
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  • What is power factor?

    What is power factor?

    Power factor refers to the ratio of active power to apparent power of an AC circuit. Under a certain voltage and power of the user’s electrical equipment, the higher the value, the better the efficiency, and the more the generating equipment can be fully utilised. It is often expressed as c...
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  • The Three-phase Bidirectional Power Metering Module

    The Three-phase Bidirectional Power Metering Module

    The three-phase bidirectional power metering module is a device used to measure and monitor the power consumed and generated in a three-phase power system. Its ability to measure energy flow in both directions makes it suitable for applications such as monitoring grid-connected renewable energy ...
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