Encoder is a kind of common electronic components, long-term use, may have some fault, and some of the encoder failure we through their own hands can be resolved, do you want to learn ~ a axis of rotation, the encoder will be out of shape.
This is generally due to installation fixed nut or lock the lock nut tighten too much of the encoder, here to suggestion is that after the nut lock shaft about LMM above higher than the surface of the nut.
Second, the encoder rotation is not flexible.
Is usually due to the shaft in the dust or oil thousands dead, this kind of situation can generally at the axis of a small amount of gasoline, suggested that drops of petrol while rotating shaft.
Third, encoder poor contact.
Poor contact points of two kinds of circumstances, the first kind of reed elasticity is insufficient, the second is to elicit feet and poor contact between carbon film layer.
In both cases are permitted to take to repair, the first kind of circumstance will nail and porn root appropriate to press, the second is to use pliers clamping will lead to the feet.
Four, encoder failure usually have meaning clear report to the police.
When this happens need to replace the battery, if the reference point position memory loss, still must perform to return to the reference point operations.
Five, the encoder itself fault: refers to the encoder itself components failure, cause it does not produce and output waveform.
This case need to replace encoder or the internal devices maintenance.
Six, the encoder connection cable fault: the highest rates of failure occurs, often encountered in maintenance, should be a priority consideration.
Usually the encoder cable open circuit and short circuit or poor contact, the need to change cable or connector.
Also should pay special attention to whether it is due to cable fixed tightly, not caused by loose open welding or open circuit, then lock cable.
Seven, encoder + 5 v power down: refers to the + 5 v power supply is too low, usually cannot be less than 4.
75 v, is the cause of low power supply failure or power transmission cable resistance caused by the big loss, then need to repair the power supply or replace the cable.
Eight, absolute encoder battery voltage drop: this kind of failure usually have clear alarm, and then need to replace the battery, if the reference point position memory loss, still must perform to return to the reference point operations.
Nine, the encoder cable shielding wire did not pick up or fall off, it will introduce the jamming signal, the waveform is not stable, affect the accuracy of the communication, must ensure that the shielding wire reliable welding and grounded.
Ten, loose encoder installation: this kind of failure will affect the position control accuracy, stop and moving position deviation value super bad, or even just a boot servo system overload alarm is generated, please pay special attention to.
Eleven, raster pollution: it makes the amplitude of signal output, must use absorbent cotton to gently wipe grease anhydrous alcohol.
Shanghai electronic products is 27 years old, encoder manufacturers, specializing in the production of various types of rotary encoder.
After years of research and development experience accumulated, encoder specifications and more complete, can perfect replacement brand at home and abroad and encoder.
Power factory, the factory has advanced production equipment and testing equipment, quality goods safe, looking for a rotary encoder manufacturer is looking for electronic.
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