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202302-02Mitsubishi PLC how to write hold circuit
Mitsubishi PLC has a very common circuit - a stick circuit. Persisting circuit means that when the external input switch is a button, it can adhere to the output by pressing the button through the per···
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202302-02Mitsubishi inverter overload fault judgment method
1. Check whether the three-phase power of the motor is balanced(1) If the three-phase voltage of the motor is not balanced, the three-phase voltage of the output end of the Mitsubishi inverter should ···
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202302-01Maintenance points of Omron relay
1. The shell surface of the Omron relay used in installation should be free of scratches, cracks and damage. In case of serious damage, the intact relay with the same specifications should be replaced···
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202301-31Delta overload trip fault solution
1. The main cause of VFD overload(1) Mechanical overload. The main characteristic of overload is the motor heating, which can be found by reading the running current on the display screen.(2) The unba···
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202301-31Influence of Delta impulse current on frequency converter
In the process of maintenance of frequency converter, it is found that due to the back electromotive force in the stator winding, the electromotive force in the motor under the condition of synchronou···
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202301-30ABB frequency converter fault code
1. ABB inverter fault code: 0001Cause: The output current exceeds the trip valueMeasures: Check motor load, check acceleration time, check motor and motor cable (including phase sequence).2. ABB inver···
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