IMI Industrial Vibration Sensors Katalog Seite 10

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Bearing Fault Detector Process Monitoring Protection Bearing fluting occurs when current is passed through the motor bearing instead of a grounded source PWM Pulse Width Modulated drive switching frequencies result in undesirable motor shaft currents a side effect that causes bearing damage including pitting and fluting The pitting and fluting will result in undesirable bearing vibration Because the Bearing Fault Detector s additional fault output is extremely sensitive to high frequency impacting it provides an early indication that pitting or fluting has occurred This will allow your motor to be serviced before catastrophic damage occurs Bearing Fluting in Electric Motors Bearing Fault Detector Model 682B05 n Provides early warning of bearing and gear faults n Operates with PLC DCS SCADA alarm and control systems n Outputs 4 20 mA signals for peak acceleration and overall vibration See page 120 for more information IECEx IECEx IECEx IECEx visit us online at www imi sensors com 1 716 684 0003 7 Motor Vibration