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IC卡遙測(cè)終端RTU

IC卡遙測(cè)終端RTU是一種集成了?IC卡讀卡功能?的?遠(yuǎn)程終端單元?，主要用于?公用事業(yè)計(jì)量收費(fèi)（如水、電、氣、熱）?的自動(dòng)化管理。它將傳統(tǒng)RTU的數(shù)據(jù)采集、傳輸能力與IC卡的預(yù)付費(fèi)/計(jì)量功能結(jié)合，實(shí)現(xiàn)“先付費(fèi)后使用”的管理模式。

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核心功能組成

? 一、IC卡讀卡器：?

- 讀取用戶IC卡（CPU卡/邏輯加密卡）中的預(yù)存金額、用戶信息、累計(jì)用量等。
- 支持雙向交互：寫(xiě)回更新后的余額、用量數(shù)據(jù)到用戶卡。
二、RTU核心功能?
- ?數(shù)據(jù)采集?：實(shí)時(shí)采集流量計(jì)、電表、傳感器等設(shè)備的用量數(shù)據(jù)（脈沖信號(hào)、RS-485/M-Bus等）。
- ?本地控制?：根據(jù)余額自動(dòng)通/斷閥門(mén)/開(kāi)關(guān)（如電動(dòng)閥、繼電器），實(shí)現(xiàn)欠費(fèi)關(guān)閥。
- ?無(wú)線通信?：通過(guò)4G/NB-IoT/GPRS/LoRa等將數(shù)據(jù)上傳至云端管理系統(tǒng)。
- ?數(shù)據(jù)存儲(chǔ)?：緩存用量、告警、操作日志，確保斷網(wǎng)不丟數(shù)據(jù)。
三、智能管理?
- ?預(yù)付費(fèi)控制?：實(shí)時(shí)扣費(fèi)，余額不足時(shí)預(yù)警并自動(dòng)關(guān)閥。
- ?階梯計(jì)價(jià)?：支持多時(shí)段、多費(fèi)率計(jì)費(fèi)策略。
- ?安全加密?：SM4/SM7國(guó)密算法保障IC卡交易安全；防攻擊設(shè)計(jì)（如拆表報(bào)警）。

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