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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.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.