Machine and Electric Motor Monitoring

As plant efficiency can often mean the difference between profit and loss, many companies are looking to machine and electric motor monitoring to improve productivity.

Machine monitoring uses a wide variety of sensors that are suited for that particular process. These can include temperature, pressure, displacement, depth, distance, flow rates etc.  Electric motor monitoring includes input voltage (per phase), input current (per phase) and temperature. In addition, vibration can offer excellent feedback on the mechanical condition of the system such as a bad bearing or out of balance fan blade, which over time will fail.

Machine and electric motor monitoring data is transmitted to a back end database where it is processed typically as shown below:

  1. Parameters that are either higher or lower than pre assigned limits
  2. Parameters that are changing either higher or lower than pre assigned limits
  3. Parameters that as a group are higher or lower than pre assigned limits.

Alarm conditions can send out sms text messages or emails. Depending on the urgency a wireless visual and/or audible alarm can also be provided

Machine and electric motor monitoring is very cost effective and efficient. Off the shelf battery operated wireless sensors that can often outlive the lifetime of the machine itself can be deployed by the plants own staff. No wiring or conduit runs required and no safety concerns or approvals needed.

Contact Plexus Controls at info@plexus-controls for more information how we can assist you with your machine and electric motor monitoring needs.

2 Responses to “Machine and Electric Motor Monitoring”

  1. Ramesh Veerasurla says:

    Please provide some information on how you implement IoT solutions to enhance motor efficiency improvements.

    • Bill Cuming says:

      The most important sensor is temperature as this provides advanced warning that the motor is not well, and in many cases allows the operator to correct the problem before any permanent damage. Vibration is next, then followed by phase current and phase voltage. When measuring phase current and voltage we are not just looking for changes in absolute values but the difference between the phases.


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