Hardware – LVDT & HMI

To measure the linear displacement of LVDT (Linear Variable Differential Transformer) sensor in micronns and to drive the relay section of the PLC machine in accordance with threshold limits set using GUI.

Project Scope


  • To measure the linear displacement of LVDT (Linear Variable Differential Transformer) sensor in microns.

  • To drive the relay section of the PLC machine in accordance with threshold limits set using GUI.


Business Challenges

The customer had a challenge in meeting high precision grinding/cutting & smoothening operations. Also, to ease the user settings with HMI.


ARi’s Solutions


  • Developed desired precision of 4200 microns corresponding to 42 millimeters of LVDT sensor stroke length.

  • Device is integrated with the PLC system relays via isolation channels

  • Fully automated and robust system.


ARi’s Value Proposition


  • HMI developed can be used in different applications like monitoring and controlling equipment’s and expertise in high precision grinding/cutting & smoothening operations.

  • System can also be utilized where there is a need to store and monitor data using USB and Ethernet communications.


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Case Study

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