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光电开关是脉冲调制由振荡电路产生的

网址:www.coron.com.cn  2019-08-01  作者:admin    阅读:

光电开关是脉冲调制由振荡电路产生的,它是由发光二极管发出的GL。当被测量的物体进入光的范围内时,光脉冲被反射回光敏晶体管。在接收电路中,光脉冲是脉冲信号,然后通过选择放大器进行放大和同步。然后利用数字积分或钢筋混凝土积分消除干扰。
Photoelectric switch is generated by pulse modulation by oscillating circuit. It is GL emitted by light emitting diode. When the measured object enters the range of light, the light pulse is reflected back to the phototransistor. In the receiving circuit, the optical pulse is a pulse signal, which is amplified and synchronized by selecting an amplifier. Then the interference is eliminated by using digital integral or reinforced concrete integral.
光电开关一般具有良好的回差特性,所以即使检测到的对象在小范围内的驱动不会影响输出状态,所以它可以保持在稳定工作区。同时,自诊断系统还可以显示光状态和稳定的工作区域,以保持光电开关的工作。
Photoelectric switches generally have good backlash characteristics, so even if the detected object is driven in a small range, it will not affect the output state, so it can be maintained in a stable working area. At the same time, the self-diagnosis system can also display the light state and stable working area to keep the photoelectric switch working.

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