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Solution to unstable output signal of photoelectric sensor

  • Categories:INDUSTRY NEWS
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  • Time of issue:2021-12-27 17:26
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(Summary description)Photoelectric sensor (photoelectric sensor) is the abbreviation of photoelectric proximity switch. It uses the shielding or reflection of the light beam by the detected object, and the circuit is connected by the synchronous loop to detect the presence of the object.

Solution to unstable output signal of photoelectric sensor

(Summary description)Photoelectric sensor (photoelectric sensor) is the abbreviation of photoelectric proximity switch. It uses the shielding or reflection of the light beam by the detected object, and the circuit is connected by the synchronous loop to detect the presence of the object.

  • Categories:INDUSTRY NEWS
  • Author:
  • Origin:
  • Time of issue:2021-12-27 17:26
  • Views:
Information

Photoelectric sensor (photoelectric sensor) is the abbreviation of photoelectric proximity switch. It uses the shielding or reflection of the light beam by the detected object, and the circuit is connected by the synchronous loop to detect the presence of the object. When the photoelectric sensor outputs signals, the signal will occasionally be unstable, and many people don't know why. Today, I will explain the reasons for the unstable output of the photoelectric sensor and the corresponding solutions for everyone:

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The following situations may cause the output signal of the photoelectric sensor to be unstable when detecting the object:
1. The power supply is abnormal;
2. The detection frequency is too fast;
3. The size of the object to be measured;
4. The measured object is not in the stable detection area of ​​the sensor;
5. Electrical interference.
Photoelectric sensor solution:
1. Supply a stable voltage to the sensor, and the supplied current must be greater than the current consumption of the sensor;
2. The passing speed of the measured object must be slower than the response speed of the sensor;
3. The size of the measured object must be larger than the standard detection object or small detection object;
4. The object to be measured must be detected within the stable detection range of the sensor;
5. Corresponding protective measures can be taken, such as: making a shielding cover around the probe, grounding high-power equipment, etc.
When using the photoelectric sensor, you should also pay attention to avoiding dusty places as much as possible; places with more corrosive gases; places where water, oil, and chemicals may directly splash; outdoors or sunlight, etc., where there is direct sunlight without shading The place where measures are taken; the place where the ambient temperature changes beyond the specified range of the product; the place where vibration and shock are large, but no shock-absorbing measures are taken. In order to avoid malfunction of the photoelectric sensor.

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