The cam controller is an electric appliance that adjusts and controls the working state of the contact by cam motion. The cam controller is mainly used in the electric drive control device to convert the electric resistance in the electric line or the excitation line to control the starting, stopping, reversing, speed regulation and braking of the electric motor.
   The working principle of the cam controller is to rotate the cam by the hand wheel to push the contact closure by the difference of the cam radius. By stacking cams of different shapes on the rotating shaft, several contact groups can be turned on or off in a prescribed order.
LED Module Outdoor Full Color P4 Module Outdoor LED Display Module using the latest generation technology, 62500dots per square meter. P4 Module Outdoor Full Color has long span life time 10000hours. Picture true nature of Outdoor P4 LED Display Module is one good choice when compare Outdoor Full Color LED Display Module.
1. Good LEDs: it has excellent performance in antistatic ability and UV protection; Waterproof SMD 3 in 1 LED lamp; IP65 grade, all-weather available, much better white balance performance than DIP series.
2. Energy saving: low electric current, high-bright lamps, equipped with PFC switching power supply, save 30% electricity
3. High refresh rate, high gray level: It can reach 16bit by using PWM driving IC, refresh rate is more than 4000HZ, the gray level is still high even under the condition of low brightness
4. Color correction: support dot-to-dot correction, guarantee the consistency of LED color and brightness, No chromatic aberration for new screens.
5. Dual back-up: both power supply and system dual back-up are optional, reliable performance.
6. Error detection and monitoring: it can monitor the inner temperature, voltage, cooling fans etc and error detection automatically.
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Shenzhen Jongsun Electronic Technology Co., Ltd. , https://www.jongsunled.com