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nb-iot物聯網智能電(dian)表技(ji)術參數

（1）計(ji)量功(gong)(gong)能(neng)：具有(you)正(zheng)向(xiang)、反向(xiang)及(ji)組合有(you)功(gong)(gong)電(dian)能(neng)計(ji)量的功(gong)(gong)能(neng)，組合有(you)功(gong)(gong)電(dian)能(neng)可根(gen)據正(zheng)反向(xiang)有(you)功(gong)(gong)電(dian)能(neng)進行按(an)需配置；

（2）分時(shi)(shi)(shi)計量功能：支(zhi)持、峰(feng)、平、谷四個費率；內置(zhi)(zhi)兩(liang)(liang)套(tao)時(shi)(shi)(shi)區表(biao)、兩(liang)(liang)套(tao)日(ri)(ri)時(shi)(shi)(shi)段(duan)表(biao)，可(ke)(ke)(ke)以按需編程配置(zhi)(zhi),并可(ke)(ke)(ke)設定兩(liang)(liang)套(tao)時(shi)(shi)(shi)區表(biao)切換(huan)(huan)時(shi)(shi)(shi)間和兩(liang)(liang)套(tao)日(ri)(ri)時(shi)(shi)(shi)段(duan)表(biao)切換(huan)(huan)時(shi)(shi)(shi)間，實現(xian)相互切換(huan)(huan)；24小時(shi)(shi)(shi)內可(ke)(ke)(ke)設置(zhi)(zhi)14個時(shi)(shi)(shi)段(duan)，可(ke)(ke)(ke)以跨越 零點(dian)設置(zhi)(zhi)；支(zhi)持公休日(ri)(ri)設置(zhi)(zhi)，可(ke)(ke)(ke)設置(zhi)(zhi)254個節假日(ri)(ri)；

nb-iot物聯網智能電表技術參數

（3）測(ce)量(liang)(liang)功(gong)(gong)能：能測(ce)量(liang)(liang)電(dian)壓、電(dian)流、功(gong)(gong)率以(yi)及功(gong)(gong)率因數等電(dian)網參數，測(ce)量(liang)(liang)誤差（引用誤差）不超過±1％，可以(yi)達到1級(ji)以(yi)內標準；

（4）數據存儲功能：支持多種凍(dong)(dong)(dong)結(jie)(jie)方(fang)式，包括：日凍(dong)(dong)(dong)結(jie)(jie)、整點(dian)凍(dong)(dong)(dong)結(jie)(jie)、定時凍(dong)(dong)(dong)結(jie)(jie)、瞬時凍(dong)(dong)(dong)結(jie)(jie)、約定凍(dong)(dong)(dong)結(jie)(jie)；

（5）事(shi)(shi)件記錄功能：分別(bie)記錄近10次(ci)掉電、編(bian)程、校時、開表蓋、跳閘(zha)、合閘(zha)、事(shi)(shi)件清零、電表清零、惡性 負載（可選配，默認(ren)該功能關閉）；

（6）用(yong)戶交(jiao)互(hu)界面(mian)：采用(yong)大(da)屏幕(mu)液晶顯示，提(ti)供豐富(fu)的圖形或(huo)文字提(ti)示信息(xi)；顯示內容可通(tong)過按鍵循(xun)環查(cha)詢， 顯示項目可通(tong)過通(tong)信口按需配置；提(ti)供液晶背光，方便查(cha)看。支持(chi)停(ting)電喚醒功能(neng)，能(neng)通(tong)過按鍵或(huo)非接(jie)觸(chu)方 式喚醒電能(neng)表，實現(xian)屏幕(mu)顯示抄讀(du)電量(liang)和(he)紅外(wai)通(tong)信口抄讀(du)電量(liang)等數據；

（7）通(tong)(tong)(tong)(tong)信功能：具備(bei)1路(lu)遠紅外通(tong)(tong)(tong)(tong)訊接(jie)口(kou)、1路(lu)RS-485通(tong)(tong)(tong)(tong)訊接(jie)口(kou)、1路(lu)NB-IoT通(tong)(tong)(tong)(tong)訊接(jie)口(kou)，三路(lu)通(tong)(tong)(tong)(tong)訊端口(kou)互(hu)相獨立。通(tong)(tong)(tong)(tong)訊規約符合DL/T645-2007及其備(bei)案文件；

（8）費(fei)控功(gong)能：內置繼電(dian)器可選配(pei)，支(zhi)持(chi)明文遠(yuan)程拉合閘(zha)控制(zhi)功(gong)能，對(dui)用戶進(jin)行遠(yuan)程通斷電(dian)控制(zhi)；支(zhi)持(chi)跳閘(zha)、合閘(zha)、事件清零、校時；

（9）惡(e)性負(fu)(fu)載(zai):支(zhi)持(chi)當電(dian)能表發生過載(zai)、惡(e)性負(fu)(fu)載(zai)、開表蓋(gai)事件時(shi)，電(dian)能表可主動告知NB-IoT模(mo)塊(kuai)(kuai)有對應事件發生，能自(zi)行觸(chu)發NB-IoT模(mo)塊(kuai)(kuai)的“重要(yao)事件即時(shi)上報”；

（10）遠程升級(ji):電能表遠程升級(ji)、模塊(kuai)遠程升級(ji)等功(gong)能。