Omron travel switch, position switch (also known as limit switch), is a commonly used small current master electrical appliance. Through the collision of the mechanical moving parts, the contact movement is realized, and the connection or disconnection of the control circuit is realized, so as to achieve a certain control purpose. Usually, this kind of switch is used to limit the position or stroke of mechanical movement, so that the moving machinery will automatically stop, reverse motion, variable speed motion or automatic shuttle motion in a certain position or stroke. Omron travel switches are available in a variety of types, including OT large-angle type, operation signal display type, cold-resistant type, heat-resistant type, and corrosion-resistant type. In addition to the standard type, there is also a low-load type that has obtained EN/IEC standard certification (with ground terminal type)
Omron position switch is a type of proximity switch, which is a generic term for contactless sensors. Its types are: inductive, capacitive, and Hall. The output signal of the inductive proximity switch described in this description is mainly the switching signal of the switch (that is, there is a metal object in any position in a wide range from the sensing head of the proximity switch to the detection of the product, and the switching signal will be given. When the object is not within the detection distance, the sensor switches on and off the signal in the opposite direction to when it is running). The photoelectric switch converts the change in light intensity between the transmitting and receiving terminals into a change in current to achieve the purpose of detection. Because the output and input circuits of photoelectric switches are electrically isolated (i.e., electrically insulated), they can be used in many situations. Photoelectric switch (photoelectric sensor) is the abbreviation of photoelectric proximity switch, which uses the blocking or reflection of light by the detected object to select the circuit of the synchronous loop, so as to detect whether the object is present. Objects are not limited to metal and can be used on many occasions. Photoelectric switch (photoelectric sensor sensor) is the abbreviation of photoelectric proximity switch, it is photoelectric proximity switch, it is photoelectric proximity switch, it is photoelectric proximity switch.
In the automatic control system, it can be used as a limit, counting, positioning control and automatic protection link. Among the various switches, there is a displacement sensor that has the ability to perceive nearby objects. It not only has the characteristics of travel switch and micro switch, but also has the characteristics of sensing performance, reliability, stability, fast frequency response, long service life, strong anti-interference ability, waterproof, shockproof, corrosion resistance and so on. *Low. In the case of good environmental conditions and no dust pollution, photoelectric proximity switches can be used. When the photoelectric proximity switch operates, it has almost no effect on the object to be measured.
The above is a brief introduction of Omron travel switches
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