關(guān)于施耐德ATV312H037N4變頻器多功能及報(bào)警接口R1、R2,R1設(shè)置為FLT時(shí),接常開好像只能顯示變頻器為正常運(yùn)行狀態(tài)吧,接常閉開關(guān)電源一打開指示燈也會(huì)亮,我想用外接指示燈顯示變頻器故障,就是變頻器故障時(shí),外接故障黃燈才會(huì)亮,而不是沒(méi)有故障就會(huì)亮,請(qǐng)問(wèn)怎么實(shí)現(xiàn)?還有就是它設(shè)置為NO時(shí),變頻器運(yùn)行時(shí)他會(huì)怎么動(dòng)作?