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請(qǐng)問(wèn)樓主：mm400變頻器用在升降梯中，上升時(shí)沒(méi)有問(wèn)題，下降時(shí)頻率由30到20，接近25時(shí)出現(xiàn)報(bào)警。請(qǐng)教應(yīng)該修改那個(gè)參數(shù)！！


                                                                                                            拜托謝謝

下降有慣性，適當(dāng)加大減速時(shí)間