Nws raug nquahu kom xaiv square yoj lossis sine yoj raws li lub teeb liab tshwm sim;sab nraud trigger Circuit Court ntawm FL-20BW thiab Dhyana 401D koob yees duab yog ib qho optocoupler cais Circuit Court.Qhov tam sim no kev sib cais optocoupler Circuit Court, lub internal collector qhib Circuit Court, yog tsis muaj tso zis thiab tsav muaj peev xwm, kom ua tiav theem thiab teeb liab tsav los ntawm ib tug rub-up resistor, yog li ob lub koob yees duab no yuav tsum tau rub tawm sab nraud kom ua kom zoo.