²  计(ji)量功效：撑(cheng)持正向(xiang)、反(fan)向(xiang)有(you)功电能计(ji)量💃，此(ci)中反(fan)向(xiang)电量计(ji)入正向(xiang)电量；

²  预(yu)支费办(ban)理(li)功(gong)(gong)效：电(dian)(dian)(dian)能表可与PC机售(shou)电(dian)(dian)(dian)体系共同(tong)完(wan)成(cheng)预(yu)支费办(ban)理(li)功(gong)(gong)效。用(yong)户(hu)拔出(chu)开户(hu)卡，对电(dian)(dian)(dian)能表的报(bao)警电(dian)(dian)(dian)量、透支电(dian)(dian)(dian)量、限购电(dian)(dian)(dian)量、囤积电(dian)(dian)(dian)量、过载(zai)负荷(he)等参数(shu)停(ting)止设置(zhi)，并向电(dian)(dianꦍ)(dian)能表充值给负载(zai)通电(dian)(dian)(dian)；完(wan)成(cheng)参数(shu)设置(zhi)后(hou)开户(hu)卡即成(cheng)为(wei)用(yong)户(hu)的购电(dian)(dian)(dian)卡，用(yong)于平常(chang)的购电(dian)(dian)(dian)、充值；

²  报(bao)(bao)警(jing)功效：电(dian)(dian)能(neng)表(biao)可设置报(bao)(bao)警(jing)电(dian)(dian)量(liang)，电(dian)(dian)能(neng)表(biao)残剩电(dian)(dian)量(liang)小于显(xian)现报(bao)(bao)警(jing)电(dian)(dian)量(liang)时(shi)(shi)停止显(xian)现报(bao)(bao)警(ji꧃ng)，在小于拉闸报(bao)(bao)警(jing)电(dian)(dian)量(liang)时(shi)(shi)给负载断(duan)🅷电(dian)(dian)，提醒用户充(chong)值，此时(shi)(shi)可插购电(dian)(dian)卡(ka)规复供电(dian)(dian)，当用电(dian)(dian)量(liang)残剩电(dian)(dian)量(liang)为0时(shi)(shi)，电(dian)(dian)能(neng)表(biao)主动拉闸断(duan)电(dian)(dian)，用户购电(dian)(dian)充(chong)值后规复供电(dian)(dian)；

²  一卡多表(biao)功效：一户一卡，一卡最多可办(ban)理8只(zhꦚi)预支费电(dian)表(biao)或水(s🧸hui)表(biao)；

²  补(bu)卡(ka)(ka)♐功效：电能(neng)表(biao)可与PC机售(shou)电体系共同꧋完(wan)成补(bu)卡(ka)(ka)购量(liang)，补(bu)卡(ka)(ka)补(bu)量(liang)，从头开户等(deng)多项(xiang)操(cao)纵；

²  负荷(he)检测：经由过(guo)程用(yong)户(hu)(hu)卡设(she)置电(dian)(dian)表(biao)参数，电(dian)(dian)能(neng)表(biao)可(ke)对用(yong)户(hu)(hu)现(xian)实负载情(qing)况停止检测，并在负荷(he)过(guo)大(da)时(shi)断电(dian)(dian)实施自我(wo)掩护。用(yong)户(hu)(🥂hu)在开户(hu)(hu)时(shi)可(ke)挑(tiao)选设(she)置过(guo)载负荷(he)参数，电(dian)(dian)能(neng)表(biao)在大(da)于过(guo)载负荷(he)参数时(shi)主(zhu)动(dong)断电(dian)(dian)，并显现(xian)“SUP_ _”提(ti)醒用(yong)户(hu)(hu)负荷(he)过(guo)大(da)，用(yong)户(hu)(hu)可(ke)期待5～6分钟或(huo)拔出IC卡片(pian)给负载通电(dian)(dian)；

单相电子式预支费电能表申明书（DDSY395）.pdf