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category: Power Meters
Analysis of common faults and causes
The measurement of the device is not accurate
Check whether the positive and negative terminals of the voltage are correct
Is the current passing through the hall sensor in the right direction
Check whether the IE setting of the device is consistent with the hall sensor used
Whether the output signal of hall sensor matches the required input signal of the device;
Check whether the output negative pole of the voltage output hall sensor is connected to the device GND
Abnormal communication
Check whether the communication cable is connected normally
Check whether the A and B terminals of communication are staggered
Check whether the device address is set correctly and the communication baud rate is set correctly
Multi - device communication is not normal, first try the single communication, to see if it is normal.
The device does not display properly
Check whether it is caused by the insufficient carrying capacity of the built-in power supply to the hall sensor. Replace the external switching power supply to power hall