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How to use D1 and D2 dry contacts ?

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How to use D1 and D2 dry contacts ?
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#6
11 hours ago (This post was last modified: 11 hours ago by admin.)
yes, wiegand signal is mono direction, now i remember it.
But we added an optocoupler at the digital input circuit, it needs to be tested whether the speed is appropriate.
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How to use D1 and D2 dry contacts ? - by primeroz - 04-29-2023, 03:14 PM
RE: How to use D1 and D2 dry contacts ? - by admin - 11 hours ago

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