High-precision displacement sensor working principle and Troubleshooting！

High-precision displacement sensor working principle and Troubleshooting

             

Displacement sensor is a pick-up information, converting means can be a physical or chemical quantity of biomass can be regularly converted to determine the corresponding relationship with whom, ease of application to meet the transporting, processing, storage, some physical means required display, record and control. The work of this device has the following points:

First, if the electronic device has been used for a long time, and the seal has been aging, but mixed with a lot of impurities, and a mixture of water and oil will seriously affect the contact resistance of the brush, so that the digital display will stop beating. This time can be said electronic scale displacement sensor has been damaged and need replacing.

Second, if the power supply capacity is small, there will be many cases, therefore, the power supply needs to have sufficient capacity. So, lack of capacity, it will cause the following conditions: melt Games make clamping electronic scale display transformation, fluctuations or clamping Games make plastic injection electronic scale display fluctuations resulting measurement error is large. If the solenoid valve drive power to the electronic device power supply at the same time together, more prone to the above situation, the situation is serious even with a multimeter voltage profile can be measured about voltage fluctuations. If this is not because of high frequency interference, static or neutral enough good cause, then it may be too small to cause the power supply.

Third, the FM interference and electrostatic interference may make linear displacement sensor digital display electronic scale beating. Electronic scale power lines signal lines and equipment to separate trough. Electronic device must use mandatory grounding bracket, and while allowing the electronic device housing good contact with the ground. Signal line use of shielded cables and electrical boxes with section should shield grounded. If a high-frequency interference, they usually use a multimeter voltage measurement will be displayed correctly, but the display will beat number is kept; and electrostatic interference occurs, there is also the same with the high-frequency interference. To see if the proof is static, you can first use of the power cord to an electronic device of some metal screw capping machine with shorting up on it, as long as a short-circuited, it will immediately eliminate electrostatic interference of. But if you want to eliminate high-frequency interference is difficult using the above method, the frequency Saver and machine hands are often high-frequency interference, so you can try to stop the high-frequency Saver or robotic way to verify is not high frequency interference.

Fourth, if the electronic displacement sensor foot in the work process which, at some point of the display data regularly beat, or data not shown when this happens you need to check the cable insulation is not damaged phenomenon, and it caused a short circuit on the ground with the machine housing is very regular contact.

Fifth, the supply voltage must be stable, voltage industry need to meet ±% of stability, for example, the reference voltage is 10V, then it allows a ± volatility changes, if not, it will cause the trap fluctuation displayed such Happening. However, if the amplitude fluctuations display at this time does not exceed the amplitude of fluctuations in voltage fluctuation, then the electronic device is normal.

6, installation of a neutral linear displacement sensors need to be well, but parallelism allows a ± error angle allows a ± 12 ° error. However, if the parallel and angular errors are too large, then this will be the number of beats Show. So when such a situation must be parallel and angular adjustment of.

Previous：Roundss 2016 High Quality 0-1000mm Digital Linear Encoder
Next：Encoder technologies