²  计(ji)(ji)(ji)量功效：电𓆉(dian)(dian)能表可(ke)计(ji)(ji)(ji)量三相正(zheng)、反向(xiang)(xiang)有(you)功电(dian)(dian)能，反向(xiang)(xiang)电(dian)(dian)能按正(zheng)向(xiang)(xiang)累计(ji)(ji)(ji)；

²  预(yu)支(zhi)费(fei)办(ban)ꩵ理功效：电(dian)(di⛄an)能表可与PC机售电(dian)(dian)体系共同完(wan)成预(yu)支(zhi)费(fei)办(ban)理功效。用户(hu)(hu)拔出开户(hu)(hu)卡(ka)(ka)，对电(dian)(dian)能表的(de)报警(jing)电(dian)(dian)量(liang)、透支(zhi)电(dian)(dian)量(liang)、限购(gou)电(dian)(dian)量(liang)、囤积(ji)电(dian)(dian)量(liang)、过载负荷等参数停止设置，并向(xiang)电(dian)(dian)能表充值给负载通电(dian)(dian)；完(wan)成参数设置后(hou)开户(hu)(hu)卡(ka)(ka)即(ji)成为用户(hu)(hu)的(de)购(gou)电(dian)(dian)卡(ka)(ka)，用于平(ping)常(chang)的(de)购(gou)电(dian)(dian)、充值；

²  报(bao)警(jing)功效：电(dian)(dian)(dian)能(neng)表可设置报(bao)警(jing)电(dian)(dian)(dian)量，电(dian)(dian)(dian)能(neng)表残剩电(dian)(dian)(dian)量小(xiao)于显(xian)现报(bao)警(jing)电(dian)(dian)(dian)量时停止(zhi)显(xian)现报(bao)警(jing)，在小(xiao)于拉闸(zha)报(bao)警(jing)电(dian)(dian)(dian)量时给负载(zai)断电(dian)(dian)(dian)，提示用户充(chong)值(zhi)(zhi)，此时可插购电(dian)(dian)(dian)卡规(gui)复供(gong)电(dian)(dian)(dian)，当用电(dian)(dian)(dian)量残剩电(dian)(dian)(dian)量为0时，电(dian)(dian)(dian)能(neng)表主动拉闸(zha)断电(dian)(dian)(dian)，用户购电(dian)(dian)(diౠan)充(chong)值(zhi)(zhi)后规(gui)复供(gong)电(dian)(dian)(dian)；

²  ♌一(yi)卡(ka)多表功(gong)效：一(yi)户(hu)一(yi)卡(ka)，一(yi)卡(ka)最多可(ke)办(ban)理(li)8只预支费ꦗ电表或水表；

²  补(bu)卡💯功效：电能表可与PC机售电体系共同完成(cheng)补(bu)卡购量，补(bu)卡补(bu)量𒈔，从头开户等多(duo)项操(cao)纵；

²  负(fu)(fu)(fu)(fu)荷(he)检测：经由过(guo)(guo꧒)(guo)程(cheng)用户(hu)(hu)卡(ka)设置(zh🅺i)电(dian)表参(can)(can)数(shu)，电(dian)能(neng)表可(ke)对用户(hu)(hu)现实负(fu)(fu)(fu)(fu)载(zai)情况(kuang)停止检测，并(bing)在(zai)负(fu)(fu)(fu)(fu)荷(he)过(guo)(guo)(guo)大时断电(dian)实施(shi)自我掩护(hu)。用户(hu)(hu)在(zai)开户(hu)(hu)时可(ke)选择设置(zhi)过(guo)(guo)(guo)载(zai)负(fu)(fu)(fu)(fu)荷(he)参(can)(can)数(shu)，电(dian)能(neng)表在(zai)大于过(guo)(guo)(guo)载(zai)负(fu)(fu)(fu)(fu)荷(he)参(can)(can)数(shu)时主动断电(dian)，并(bing)显(xian)现“SUP_ _”提(ti)示用户(hu)(hu)负(fu)(fu)(fu)(fu)荷(he)过(guo)(guo)(guo)大，用户(hu)(hu)可(ke)期待5～6分钟或拔出(chu)IC卡(ka)片给负(fu)(fu)(fu)(fu)载(zai)通电(dian)；

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