²  计量功效(x༒iao)：电能表(biao)可(🦩ke)计量三相(xiang)正、反向有(you)功电能，反向电能按正向累计；

²  预支费(fei)办理功效(xiao)：电(dian)(dian)(dian)能(neng)表(biao)可与PC机(ji)售电(dian)(dian)(dian)体系共同完成预支费(fei)办理功效(xiao)。用户(hu)拔出开(kai)户(hu)卡(ka)，对电(dian)(dian)(dian)能(neng)表(biao)的报(bao)警电(dian)(dian)(dian)量(liang)、透支电(dian)(dian)(dian)量(liang)、限购(gou)电(dian)(dian)(dian)量(liang)、囤(dun)积电(dian)(dian)(dian)量(liang)、过(guo)载负荷等参数停止设置，并(bing)向电(d🎉ian)(dian)(dian)能(neng)表(biao)充值给负载通电(dian)(dian)(dian)；完成参数设置后开(kai)户(hu)卡(ka)即成为ღ用户(hu)的购(gou)电(dian)(dian)(dian)卡(ka)，用于(yu)平常(chang)的购(gou)电(dian)(dian)(dian)、充值；

²  报(bao)警(jing)(jing)功效：电(dian)(dian)(dian)(dian)(dian)能(neng)表可(ke)设置报(bao)警(jing)(jing)电(dian)(dian)(dian)(d🍸ian)(dian)量，电(dian)(dian)(dian)(dian)(dian)能(neng)表残剩电(dian)(dian)(dian)(dian)(dian)量小(xiao)于(yu)显(xian)现(xian)报(bao)警(jing)(jing)电(dian)(dian)(dian)(dian)(dian)量时停止(zhi)显(xian)现(xian)报(bao)警(jing)(jing)，在小(xiao)于(yu)拉闸报(bao)警(jing)(jing)电(dian)(dian)(dian)(dian)(dian)量时给负载(zai)断电(dian)(dian)(dian)(dian)(dian)，提(ti)示用(yong)户充(chong)值，此时可(ke)插购电(dian)(dian)(dian)(dian)(dian)卡规复(fu)供(gong)电(dian)(dian)(dian)(dian)(dian)，当用(yong)电(dian)(dian)(dian)(dian)(dian)量残剩电(dian)(dian)(dian)(dian)(dian)量为(wei)0时，电(dian)(dian)(dian)(dian)(dian)能(neng)表主动拉闸断电(dian)(dian)(dian)(dian)(dian)，用(yong)户购电(dian)(dian)(dian)(dian)(dian)充(chong)值后规复(fu)供(gong)电(dian)(dian)(dian)(dian)(dian)；

²  一卡多表(biao)功效：一户一卡，一卡最多可办(ban🎀)理8只(zhi)预(yu)支费电表(biao)或水表(b🦩iao)；

²  补卡功效(xiao)：电能表(biao)🐷可与PC机售电体系共同(tong)完成(c𓂃heng)补卡购量(liang)，补卡补量(liang)，从头开户等多(duo)项(xiang)操纵；

²  负(fu)(fu)荷(he)检(jian)测(cಌe)：经由过程用户(hu)卡设(she)置(zhi)电表(biao)参数(🀅shu)，电能(neng)表(biao)可对用户(hu)现实负(fu)(fu)载(zai)情况停止检(jian)测(ce)，并在负(fu)(fu)荷(he)过大(da)时断电实施自我(wo)掩护。用户(hu)在开(kai)户(hu)时可选择设(she)置(zhi)过载(zai)负(fu)(fu)荷(he)参数(shu)，电能(neng)表(biao)在大(da)于过载(zai)负(fu)(fu)荷(he)参数(shu)时主动断电，并显现“SUP_ _”提示(shi)用户(hu)负(fu)(fu)荷(he)过大(da)，用户(hu)可期待5～6分钟或拔出IC卡片给负(fu)(fu)载(zai)通电；

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