描述
主站
丘东气田主站采用艾默生过程管理中国有限公司DCS-DeltaV系统，在操作站上可以对三个从站以及单井数据进行检测，对站内压力、温度、流量、液位进行检测和控制，采用2客户WEB将单井及生产实时数据发布至生产调度指挥中心；为了实现单井SCADA系统与DeltaV系统互联，在编制丘东主站DCS系统升级改造方案时专门给DCS系统增加了串口卡，在系统升级改造完成后，利用半个月的时间，集中实施了单井SCADA系统与DeltaV系统互联，对所有单井SCADA系统组态进行了全面修改以适应DeltaV系统组态的需要，在DeltaV系统上相应地对单井SCADA系统数据的组态(数据点近1200点)、绘制流程图（八幅），通过DelatV系统的流程图Web发布功能，在丘东调度室可以对单井SCADA系统进行监测。
3.1丘东主站与丘东调度室之间数据通信
丘东主站与丘东调度室之间采用以色列BreezeCom 2.4G 产品进行无线通讯，无线基站为BU-DS.11D，无线桥接器客户端为RB-DS.11D，网络的协议遵守标准的CSMA/CD 以太网协议，带宽达到11M。主站丘东集气站RTU与DeltaV-DCS采用串口 RS-232 Modbus RTU协议通讯，传输数据达到1600多点。
3.2丘东主站与从站及单井之间数据通信
Deltav系统与北京安控RTU之间通讯采用RS-232串口，Modbus RTU协议，波特率9600Bps，奇偶校验为偶数，附加字符间时为50毫秒。Deltav系统每个串口卡含有两个通讯口接线端子1～8为通讯口1，接线端子9～16为通讯口2。
有几种方法用于RS-232端口与DTE和DCE间的接线。我们问采用的通讯连接方式只用RXD、TXD及信号地。
主站访问从站采用按照站号递增顺序循环轮训查询方式，当访问站号通讯出现故障或着访问时间超时（时间用户可以修改）时，系统返回该站通讯故障状态信号以提示用户并继续与下一从站通讯。
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主营：世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse（美国西屋）系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse（西屋）：OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro（福克斯波罗）：I/A Series系统，FBM（现场输入/输出模块）
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余（TMR）
结构的zui现代化的容错控制器。
⑨Siemens(西门子)：Siemens MOORE，Siemens Simatic C1，Siemens数控系统等。
⑩Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。
◆Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。
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