{"type":"product","schema_version":"1.0","item_id":"101595631726","canonical_url":"https://tw.bid.yahoo.com/item/101595631726","title":"直流電壓檢測模組繼電器開關上下限報警充放電控制","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-07-15T01:56:59.623Z","current_price":290,"original_price":null,"stock_status":"low_stock","available_quantity":1,"sold_quantity":0,"seller":{"id":"Y0149357241","name":"自強電控企業社","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/9124cecf-7563-49ed-bed9-a0477be6d786.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/a06e1003-3506-4183-be91-27e9ac26dba7.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/7c560242-a3fb-4e92-a6b1-d12ee229bcb2.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/68315580-e3b1-4851-94f6-5b345cbdba2b.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/57c8a9ac-7a7e-432c-b9b7-027776369cd6.jpg","role":"detail","alt":"商品圖片 5","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d8cf9f94-99b1-4fe7-b426-59cba736abd8.jpg","role":"detail","alt":"商品圖片 6","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/8a96b94c-6ba2-489f-9c18-775b859df767.jpg","role":"detail","alt":"商品圖片 7","width":null,"height":null}],"description":"品牌名稱: YEYY粵豫\n\n產品型號: YVT8-A\n\n產品名稱: 電壓檢測控制模組\n\n保護功能: 輸入防反接保護\n\n外殼材質: ABS\n\n產品尺寸: 91.5*28.5*57mm\n\n產品淨重:\n\n66.5克\n\n \n\n功能介紹\n\nF01:上限電壓值(過壓值)\n\n設置為0:表示關閉上限檢測\n\n>0:檢測大於這個值時,繼電器吸合。\n\n \n\nF02:下限電壓值(欠壓值)\n\n設置為0:表示關閉下限檢測\n\n>0:檢測小於這個值時,繼電器吸合。\n\n \n\nF03:回差值\n\n設置為0:表示關閉回差值功能。\n\n >0:下面舉例解釋\n\n \n\nF04:啟動延時值\n\n持續超過上下限值的啟動前的延時時間。 默認0.5S\n\n \n\nF05:停止延時值\n\n持續超過上下限值的斷開前的延時時間。 默認0.5S\n\nF06:輸出鎖定\n\nOFF:不鎖定,電壓恢復正常,解除輸出。\n\nON:鎖定,電壓恢復正常,輸出動作依然保持,直到CLR手動解除(短按設置鍵即可解除)\n\n \n\nF07:校準誤差\n\n僅供內部參考,修改請謹慎。\n\n \n\nF08:通電判斷延時值 通電後邏輯判斷延時值 默認:1秒\n\n \n\nF09:功能模式\n\nP-1:區間內繼電器啟動;區間外斷開。\n\nP-2:區間外繼電器啟動;區間內斷開\n\nP-3:低於下限F2,繼電器啟動;高於上限F1斷開\n\nP-4:低於下限F2,繼電器斷開;高於上限F1啟動。\n\n \n\n延時可設定範圍:0.1秒-999秒可調\n\n關於回差值:\n\n實例1:比如上限值設置250V;回差值設置:20V。\n\n當電壓超過250V;繼電器啟動,當電壓回到230V,繼電器斷開。\n\n實例2:比如下限值設置180V;回差值設置:30V。\n\n當電壓低於180V;繼電器啟動;當電壓回到210V,繼電器斷開。\n\n \n\n回差值的作用:可以防止電壓到了臨界值時,繼電器來回跳動。\n\n \n\n產品設置方法\n\n長按設置鍵2秒,進入參數設置,數碼管顯示F01,短按設置鍵進入設置,數碼管閃爍,按加減按鍵調節F01上限值,調節好短按設置鍵確認。\n\n此時數碼管顯示F01,按加鍵,可以調節F02,再按加鍵,設置F03\n\n設置完畢長按設置鍵2秒退出,數碼管顯示即時檢測電壓。\n\n \n\n產品功能案例\n\n功能案例1:當檢測電壓小於A時,繼電器吸合,檢測電壓大於B時,繼電器斷開。\n\n功能案例2:當檢測電壓大於B時,繼電器吸合,檢測電壓小於A時,繼電器斷開。\n\n功能案例3:當檢測電壓大於A小於B時(A為下限,B為上限),繼電器斷開,其他情況下,繼電器吸合。\n\n功能案例4:當檢測電壓大於A小於B時(A為下限,B為上限),繼電器吸合,其他情況下,繼電器斷開。\n\n功能案例5:當檢測電壓大於A時,繼電器吸合,小於A時,繼電器斷開。\n\n功能案例 6:當檢測電壓大於A時,繼電器一直吸合,直到斷電。\n\n功能案例7:當檢測到電壓大於A超過設定的時間,繼電器吸合。\n\n \n\n功能案例 清單裡被測電壓的A/B值均為可調\n\nYVT8-A檢測電壓範圍為直流電0-250V。\n\n \n\n當檢測電壓小於10V時,顯示為X.XX(即保留兩位小數 )\n\n當檢測電壓小於100V時,顯示為XX.X(即保留一位小數)\n\n當檢測電壓大於100V時,顯示為XXX(即沒有小數點)","shipping_methods":[{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092080437","category_name":"手電筒","breadcrumb":[{"id":"24198","name":"居家、家具與園藝","url":"/tw/%E5%B1%85%E5%AE%B6%E3%80%81%E5%AE%B6%E5%85%B7%E8%88%87%E5%9C%92%E8%97%9D-24198-category.html"},{"id":"2092080429","name":"居家安全","url":"/tw/%E5%B1%85%E5%AE%B6%E5%AE%89%E5%85%A8-2092080429-category.html"},{"id":"2092080437","name":"手電筒","url":"/tw/%E6%89%8B%E9%9B%BB%E7%AD%92-2092080437-category.html"}],"view_count":2,"watch_count":0}