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1、Page1of18 1 系统概述系统概述 1 General Description Of System 数据采集系统 DAS 没有设置单独的控制处理器 而是将相关测点分布在 MCS SCS FSSS ECS 等各系统中 但它是整个 DCS 的一个重要功能 其主要功能如下 No independent control processor is provided for the Data Acquisition System DAS while related measurement points are distributed in MCS SCS FSSS and ECS but the s
2、ystem is an important function of the whole DCS and main functions are as following a 数据采集处理及显示 以图表 操作画面 表格 曲线等 的形式显示控制 对象工艺参数状态信息 a Data acquisition treatment and display displaying status information of all the parameters of the control object in mode of graphics operation menu sheets and curves b
3、 记录参数 b Recording parameters c 记录事件 c Recording events d 计算参数 d Calculating parameters e 异常运行状态报警及事故信号 e Alarm of abnormal operation status and event signal f 工艺过程的信息管理及归档 f Information management and archive of technological processes g 连续检测及诊断硬 软件状态 g Continuous detection and status diagnosis of h
4、ardware and software h 检测测量回路及指令通道的故障 h Detecting faults of measurement loops and instruction channels i 报表打印 i Printing report sheets j 事故追忆 j Sequence of events SOE Page2of18 2 调试调试目的目的 2 Preparation Of Purpose DAS即计算机数据采集系统 英文全称Data Acquisition System DAS是机组主设 备及各种辅助设备在启停 正常运行和事故工况下的主要监视和记录手段 反应机
5、组 汽机 锅炉 电气各专业的子系统的运行状态 它向运行人员提供大量有用的实时信 息和经过处理的信息 指导和协助运行人员进行正确的操作以保证机组在正常工况下 长期安全经济运行 以及事故与启停状态下的正确处理 DAS is short for Data Acquisition System DAS unit is a master device which records and monitors the variety of auxiliary equipment in the startup and shut down normal operation and accident conditi
6、ons DAS provides the running state about all the sub system of turbine boiler and electrical It provides a useful real time information to the operating personnel and the correct action to ensure the correct handling of the unit under normal operating conditions in long time safe and economic accide
7、nt startup and shut down state after processing the information guidance and assistance to operating personnel 3 调试调试前应具备的条件前应具备的条件 3 Necessary ConditionsAnd Preparation Before Commissioning 3 1 数据采集系统的硬件设备具备通电条件 3 1 Installation of hardware equipments is finished and conditions for power initialize
8、d are prepared 3 2 数据采集系统的接地系统施工 预置电缆 通讯网络安装完毕 检查合格 3 2 Construction of grounding system in DCS and installation of pre installed cables and communication network are finished and they are qualified after check 3 3 不停电电源 UPS 安装调试完毕 具备投入条件 3 3 Installation and commissioning test of the uninterrupted
9、power supply UPS are finished and UPS possesses conditions for putting into operation 3 4 控制室及电子间空调系统应投入使用 保证温度稳定 控制室及电子间无灰尘 照 明系统正常 3 4 Air conditioning systems in the control room and electron room should be put into operation to make the temperature stable the control room and electron room are f
10、ree of ducts The illumination system is normal Page3of18 3 5 具备完善的消防设施 3 5 Perfect fire fighting facilities are prepared 3 6 各设备内外的各部件应安装牢固无松动 安装螺钉齐全 3 6 Equipment inside and outside the various components should be installed securely without loosening and the mounting screws complete 3 7 相关系统出场验收合格
11、 3 7 The FAT is finished 3 8 确保数据采集系统与服务器时间同步 同时服务器时间可随 GPS 系统自动校正 3 8 Make sure that the data acquisition system DAS should be synchronized with time server and time server under auto correction of GPS system 4 调试调试工作内容及程序工作内容及程序 4 Commissioning Items and Procedures 4 1 调试内容调试内容 4 1 Test Items 4 1
12、1 硬件设备检查 4 1 1 Check of hardware equipments 4 1 2 输入信号及通道检查 4 1 2 Check of input signals and channels 4 1 3 画面显示的检查与修正 4 1 3 Check and correction of menu display 4 1 4 参数报警检查与修正 4 1 4 Check and correction of parameter alarm 4 1 5 事故追忆 SOE 功能检查 4 1 5 Check of SOE function 4 1 6 报表打印 及数据处理功能调试 4 1 6 C
13、ommissioning tests of such functions as printing of report sheets and data processing 4 1 7 记录及 DCS 系统状态诊断功能检查 Page4of18 4 1 7 Check of such functions as recording and status diagnosis of DCS system 4 2 调试程序调试程序 4 2 Test Procedures 4 2 1 系统受电及软件恢复 4 2 1 Power initialized and software recovery of the
14、 system 4 2 2 核定工艺过程主参数 包括风量 给水流量和蒸汽流量的计算和补偿等 确保 相关测点齐全 准确 各子系统的设备 阀门和测点检查表参见相关系统的调试方案 4 2 2 Check main parameters of the technological processes including calculation and compensation of wind quantity flow quantity of feed water and flow quantity of steam Make sure that all the relevant parameters
15、correct The check list of devices valves and points are given in the relevant system s commissioning procedure by turbine boiler and electrical 4 2 3 对打印功能进行检查 4 2 3 Check of printing functions 对系统各项打印功能进行检查 确保所有打印机正常运行 满足设计要求 All printing functions of the system are checked Make sure that all the p
16、rinters running normally and meeting the requirement of the design 4 2 4 电缆连接的正确性检查 4 2 4 Check on correctness of cable connection 4 2 4 1 检查热电偶的补偿导线必须与热电偶的型号相匹配 其极性应与热电偶相对 应 检查组态中温度点的设置类型 确保设定和实际型号相匹配 温度指示正确 4 2 4 1 Check that compensation leads of thermal couple must match with model of the thermal couple and the polarity should correspond to the thermal couple Check the type of the temperature make sure the set is suit for the point and the indication is correct 4 2 4 2 检查变送器 压力开关 液位开关等仪表和模件设
