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Application and Working Principle of Signal Isolator

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2018/3/29 Viewed：

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Usage

Signal will encounter various kinds of interference in the transmission process. In order to stabilize the signal, it is particularly important to use signal isolator.

Principle

Firstly, the signals received by PLC are modulated and transformed by semiconductor devices, then isolated and transformed by photosensitive or magnetic sensors, and then demodulated and transformed back to the original signal or different signals before isolation. At the same time, the power supply of the isolated signal is isolated and processed. The transformed signal, power supply and ground are independent.

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