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Long term bearing monitoring with Dewesoft Historian

The webinar explains how to use Dewesoft Historian for long term monitoring of bearings. We look into the setup of the measurement unit and the web client. The measurement unit acquires the data at 40 kS/s from the accelerometers through a network of EtherCAT DAQ devices. The envelope detection algorithm is running on the raw acceleration data to detect repetitive high-frequency peaks in the signal. The envelope signal is then converted to the frequency domain using continuous order tracking. Characteristic bearing frequencies are identified in the order tracking output. The averaged order tracking output is sent to the database once per minute. Long-term results from the database are displayed in the web client. Each component of the order spectrum can be plotted on its own to display the long term trend of individual bearing component vibration.