DDC-331 DC 12V Relè Digitale Regolatore di Ritardo Display Interruttore MOS Segnale PLC

P-1: The signal triggers the relay to pull in. Signal input optocoupler isolation, strong anti-interference ability. B: The relay is turned off and then turned on after power-on. A: Invalid trigger again B: Re-trigger re-clocking C: Trigger relay reset again to stop timing.

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