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What caused the pulse of rotary encoder throw?

by:HENGXIANG     2020-12-04
Release date: sensing technology co. , LTD. , zhejiang province _ encoder - 2017 10 - Browse 16 306 rotary encoder produce pulse, what reason be cause? We can from the following three aspects to analyze: first, the cause of the encoder itself, mainly machinery with environment temperature is too high, cause the encoder doesn't work normally. Second, the problem of pulse receiver, such as by high pulse frequency and loss, etc. Third, the rotary encoder is damaged. Rotary encoder using note a when installed, rotary encoder, matters needing attention, do not give axis exert direct impact. Rotary encoder shaft connected to the machine, you should use the flexible connector. In a shaft connector, don't press hard into the. Even if the use of connectors, because bad installation, may also be added to the axis of is greater than the permissible load load, or dial the core phenomenon, therefore, pay special attention to. Bearing life related to the conditions of use, affected by the bearing load of extremely large. Such as bearing load ratio regulation load is small, can greatly extend the life of the bearing. Don't disassemble rotary encoder, doing so will hurt oil and drip proof performance. Drip-proof type product is unfavorable and long-term immersion in water, oil, when the surface of water, oil should be wiped clean. Second, the rotary encoder to use to avoid vibration and vibration on the rotary encoder, can become false pulse. Therefore, to set the place, the installation place. The more the number of pulses per revolution happened, the narrower the rotating slots of the disk slot interval, the more susceptible to the effect of vibration. In low-speed rotation or stops, and spin groove on the shaft or the ontology of vibration disc jitter, pulse error may occur. Third, rotary encoder wiring and false wiring connection considerations, it might damage the internal circuit, so when wiring should take note: 1. Wiring shall be carried out under the power OFF state, when power on, if the power supply output line contact, sometimes will damage the output circuit. 2. If wiring error, sometimes damage the internal circuit, so should be fully note the polarity of the power supply wiring, etc. 3. The extension cord, should be under 10 m. And because the wire and the distribution of capacity, waveform of rising and falling time is longer, there is a problem, use schmidt circuit of waveform shaping, etc. 4. If parallel wiring and high tension line, power line, sometimes by induction into damage caused by misoperation, so let's separate wiring separately. 5. In order to avoid induced noise, etc. , to use the shortest distance wiring. To the integrated circuit input, need special attention. 6. Wire extension, conductor resistance and the influence of the capacitance of the line, the waveform of rising and falling time lengthen, prone to interference between signals ( Crosstalk) Small, so the application of resistance, the line between the capacitance (low wire Twisted-pair cable, shielded wire) 。 Sensing technology co. , LTD. , zhejiang province, has more than 20 series over 100 varieties of high quality products: incremental photoelectric encoder, magnetoelectric incremental encoder, photoelectric encoder, absolute type magnetoelectric absolute encoder, etc.
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