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Selection details of indicator light for key switch

Release time:2019-07-08    Clicks: Click

 
How should the indicator light of the key switch be selected? What are the specific problems to be selected? Let's give you a detailed introduction.
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The key indicator lamp has a good use in many industries. It can be said that it is liked by many enterprises. How to choose and use the key indicator lamp? Let's get to know it together.
Key Indicator Lamp Selection: Select the color according to the function caused by the operation (pressing) of the key, or when the indicator lamp is turned on (luminous) or the information reflected; when the operation function or operation status cannot be expressed by the color alone, the necessary graphics or text symbols can be added on the device or near the device.
Selection of key indicator lamp:
1. In general, red or yellow lights are used for power supply indication and closing indication. The red signal lamp is used for motor operation and fault indication, and the green signal lamp is used for stop indication. White light is used to indicate the input and operation of reactive power compensation capacitors. The yellow light is used for star triangle operation indication and the red light is used for triangle operation indication.
2. Indicator lights are mainly used to attract operator's attention or instruct operator to carry out some operation in the way of light indication, and act as an indication that a certain state or instruction is being executed or has been executed.
In the course of using, if a button is double-used, such as "start" and "stop" or "power-on" and "power-off", the function can be changed alternately after pressing, neither red nor green can be used, but black, white or grey keys should be used. For the application of black, white, grey or green keys when clicking or fretting motion is required, it is better to use black keys. In the "reset" button, blue, black, white or grey buttons are used for single function, while red buttons are used for stop and power off function.
Therefore, it is very important to choose and use the key indicator reasonably, so as to meet people's production needs.
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