Industrial laser ranging sensor in the purchase of the need to pay attention to the problem
Release time:
2021-11-18 17:09
Source:
In the current era of industrial automation, laser ranging sensors are widely used in automated industrial production. Compared with laser rangefinders for outdoor operations, industrial laser ranging sensors have their own unique characteristics. How to choose a suitable For yourself, and listen to the editor one by one
First of all, what can be used in industrial automation laser ranging sensors?
Industrial liquid level, material level, delivery and positioning of blank in production line, assembly and positioning of large workpieces; Measurement of objects that are not easy to access: canned objects, underground pipelines, containers, etc.; Safety control of automobile collision prevention; Photograph trigger: vehicle flow monitoring; Geometric measurement of super-large objects, light scattering test, ultrasonic characteristic test, military firearms correction, automatic target distance control, safe distance of ships, container positioning and other fields
Secondly, how to choose a laser ranging sensor?
(1) First of all, determine the range you need to measure, generally divided into short distance 0-100 meters, medium distance 100-500 meters, long distance 1000 meters or more, this can be selected from the wavelength, short distance is generally 635NM, medium distance is generally 905nm, long distance is generally 1550nm, this is selected according to the required range
(2) Then it is necessary to determine the measurement accuracy. The accuracy of industrial-grade laser ranging sensors can generally be up to millimeter level, which can be selected according to the accuracy required by customers.
(3) Frequency, which needs to be selected according to the target you measure. High frequency is generally aimed at moving objects, while low frequency is suitable for stationary objects.
(4) Serial port, serial port is divided into three types, RS232,RS485,RS422, what is the difference between these types? RS232 is more suitable for short distance, this is suitable for transmission distance within 10m, RS485 and RS422 are more suitable for long distance, the difference between them is that RS485 can be connected in parallel on a computer for statistical data.
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