Remote monitoring of different electrical parameters of multi-machine system using PC

This paper describes a PC based centralized monitoring of the running condition of a multi-machine system. This kind of monitoring from remote central location is one of the primary requirements in today’s era of automation. The convergence of embedded system like microcontroller/DSP/FPGA, etc., now-a-days, is adding a new dimension to enhance the capability of the PC based data acquisition. In this present approach, conditions of different parameters of each motor have been measured by dedicated microcontroller based hardware. All these units are connected in a network using bus topology. All parameters are communicated to a remote PC through this bus where user friendly state-of-the-art developed software stores it for display and analysis purposes.

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► We have developed a PC based centralized remote monitoring of multi-motor system at different locations in a plant.
► Here each motor is interfaced with a microcontroller based Dedicated Hardware Unit (DHU).
► DHU measures different parameters viz. voltage, current, etc. in order to monitor the running condition of the machine.
► For monitoring from a central location, a number of such DHUs are networked using bus topology with PC.
► An user friendly software displays the parameters, performs a preliminary diagnosis of the running condition and stores them.