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MDX61B0220-503-4-00

沈陽皇姑熱電有限公司供暖監(jiān)控系統如圖1所示由三部分組成：現場換熱站HOLLiAS-PLCG5控制部分、GPRS數據傳輸部分、調度室數據中心。通過HOLLiAS-PLCG5CP240RS-232模塊完成與GPRSDTU的數據交互。PLC定時將數據發(fā)送給GPRSDTU，同時PLC實時接收DTU發(fā)來的數據完成相應控制功能。GPRSDTU在收到PLC發(fā)來的數據會立即轉發(fā)到數據中心。根據換熱站的實際情況，此次換熱站PLC每次向DTU發(fā)送幀格式數據量為140字節(jié)，包括所有模擬量和開關量。

? ? (1)現場換熱站HOLLiAS-PLCG5將各工藝參數實時采集后通過RS-232串口通信模塊將數據送往GPRSDTU通信模塊；同時，還可通過該通信模塊接收調度中心的指令。

? ? (2)GPRS數據傳輸部分在對GPRSDTU通信模塊進行配置時預先輸入數據中心的固定IP地址。GPRSDTU通信模塊收到HOLLiAS-PLCG5發(fā)來的數據后，把這些數據送到前面設置的IP地址主機中（即數據中心路由器）。GPRSDTU發(fā)送數據的過程為：數據送到中國移動GPRS網絡中，然后再經過Internet，最后在數據中心通過ADSL進行接收，數據中心路由器收到各換熱站的數據后轉發(fā)到數據服務器上。

? ? (3)調度室數據中心由ADSLMODEM、防火墻、路由器、數據中心服務器、客戶機、網關機組成。數據中心服務器通過ADSLModem接收來自各換熱站的數據，并對數據進行存儲、歷史趨勢分析、報表打印等，其中一部分數據還傳送到全廠MIS系統。

產品承諾：
保?證?全新原裝進口,
保?證?安全準時發(fā)貨，
保?證售后服務質量，
優(yōu)勢價格，大量現貨。

主營DCS系統配件
機器人系統配件
大型伺服系統配件
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MDX61B0220-503-4-00

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