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              PLC企業資訊
                2711-B5A2
                發布者:gw0002  發布時間:2018-09-03 10:43:55

                2711-B5A2

                2711-B5A2

                2711-B5A2

                《聯系人;歐先生》
                《座機:0592-5709825》
                《傳真:0592-5917519》
                《24小時熱線:18030229053微信同步》
                《QQ  :2479261344》
                《QQ郵箱:2479261344@qq.com》

                   Acrel-3000型低壓智能配電系統,充分利用了現代電子技術、計算機技術、網絡技術和現場總線技術的最新發展,對變配電系統進行分散數據采集和集中監控管理。對配電系統的二次設備進行組網,通過計算機和通訊網絡,將分散在樓層的現場設備連接為一個有機的整體,實現電網運行的遠程監控和集中管理,輔助預付費售電管理。

                  1、系統結構描述

                    本監控系統主要實現蘇州科技城的0.4kV樓層配電系統進行用電監控與電能管理;監控范圍為樓層75臺DTSY1352-C插卡預付費儀表。該系統總計有75只插卡預付費儀表,型號為DTSY1352-C,分4條總線,直接拉至財務室的串口服務器,最后通過網線拉至值班室的監控主機實現總線上儀表與監控主機的數據連通。

                    本監控系統采用分層分布式結構,即站控層,通訊層與間隔層;如圖(1)所示:



                  間隔設備層主要為:多功能網絡電力儀表。這些裝置分別對應相應的一次設備安裝在電氣柜內,這些裝置均采用RS485通訊接口,通過現場MODBUS總線組網通訊,實現數據現場采集。

                    網絡通訊層主要為:通訊服務器,其主要功能為把分散在現場采集裝置集中采集,同時遠傳至站控層,完成現場層和站控層之間的數據交互。

                    站控管理層:設有高性能工業計算機、顯示器、UPS電源、打印機等設備。監控系統安裝在計算機上,集中采集顯示現場設備運行狀況,以人機交互的形式顯示給用戶。

                    以上網絡儀表均采用RS485接口和MODBUS-RTU通訊協議,RS485采用屏蔽線傳輸,一般都采用二根連線,接線簡單方便;通訊接口是半雙工通信即通信的雙方都可以接收、發送數據但是在同一時刻只能發送或接收數據,數據最高傳輸速率為10Mbps。

                    RS485接口是采用平衡驅動器和差分接收器的組合,抗噪聲干擾能力增強,總線上允許連接多達32個設備,最大傳輸距離為1.2km。

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                 142A-12742-SPPRESS 
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                 253A-2-50-2-SP96-90 
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                MKS INSTRUMENTS 100317426 
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                 253A-1-40-1SPO7-82 
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                MLX 09-50-3051P 
                MLX 03-09-2040 
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                MODULAR PLASTICS DT940D 
                MODUTEK C14 
                MONTVILLE 16343 
                MOSIER S-A00529 
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                MOTION IND NSH-11D3RATIO 
                MOTION IND S-1355 
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                MOTION IND NCY2B6H-0040-XB13 
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                MOTOROLA 62AW5754B 
                MOTOYAMA SUSF316L 
                MOTOYAMA SUSF316L2 
                MOTT POU-10-HV1 
                MOTT POU-05-SXX 
                MOTT POU-05-ST1 
                MOTT POU-05-SV1 
                MOTT POU-3-SV1 
                MOTT GSG-4V-1-N 
                MRC 01-121-025 
                MRC 20101FAL0001000 
                MRC 4051910 
                MRC 6150470 
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