1. Encoder own problem: It refers to the problem of the encoder's own components, resulting in its inability to generate and output correct waveforms. In this case, the encoder needs to be replaced or its internal components repaired.
2. Encoder connection cable problem: the probability of this problem is high, and it is often encountered in maintenance, so it should be a priority factor. Generally, the encoder cable is open, short-circuited, or in poor contact, and the cable or connector needs to be replaced. Special attention should also be paid to whether the cable is not tightly fixed, forming loose and causing open welding or open circuit, at which time the cable needs to be clamped.
3. Encoder +5V power supply decline: It means that the +5V power supply is too low, generally not lower than 4.75V, and the reason for the formation is that the power supply is faulty or the power transmission cable resistance is too large and causes loss, so the power supply needs to be repaired or the cable replaced.
4. ** encoder battery voltage drop: this kind of problem generally has a meaningful and clear alarm,
At this time, the battery needs to be replaced, and if the reference point azimuth memory is lost, it is necessary to perform the operation of returning to the reference point.
5. The shield wire of the encoder cable is not connected or falls off: this will introduce a disturbing signal, make the waveform unstable, and affect the accuracy of communication, so it is necessary to ensure that the shield wire is reliably welded and grounded.
6. Loose encoder installation: This problem will affect the accuracy of azimuth control, form a deviation of the azimuth deviation between stopping and moving, and even the servo system overload alarm occurs as soon as the machine is turned on, please pay special attention.
7. Grating pollution This will reduce the fluctuation of signal output, and the oil stain must be quietly wiped off with absorbent cotton dipped in anhydrous alcohol.
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