楼宇自动化技术基础5

DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第一节CARE基本概念CARE术语„CARE=ComputerAidedRegulationEngineering计算机辅助控制设计1．Plants2．项目（Projects）3．CARE功能（CAREFunctions）4．Plant原理图（PlantSchematic）5．控制策略（ControlStrategy）6．开关逻辑（SwitchLogic）7．时间程序（TimeProgram）8．Plant与控制器连接（LinkingtoController）第五章楼宇自动化系统硬件组态软件楼宇自动化系统硬件组态软件DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineeringCARE的Project、Controller与Plant之间的关系DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering按钮栏打开Project、Plant或Controller。启动Plant原理图功能。启动Plant控制策略功能。启动Plant开关逻辑功能。将Plant与当前选择的Controller相连，或将Plant从当前选择的Controller分离。DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering启动数据点编辑器。启动时间程序编辑器。启动默认文本编辑器。启动搜索模板功能。启动编译功能。DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering启动CARE仿真软件。启动上传/下载工具。启动X1584软件。启动终端分配功能。显示CARE管理者对话框，包括软件版本序列以及与软件相关的信息。DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第二节Plant定义和管理•此节介绍如何定义和选择Plant，以及CARE所提供的Plant管理功能（如Plant复制和删除）。CARE功能如原理图、控制策略、开关逻辑均适于特定的Plant，启动CARE的第一步是选择Project，然后选择Plant。如没有Plant或需要一个新的Plant，则需要定义一个新的Plant。•每个Controller最多可定义128个Plant。DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第二节Plant定义和管理„一、Plant的定义„二、Plant的打开„三、Plant的复制„四、Plant的更名„五、Plant信息的显示或修改„六、Plant的删除DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第三节控制器的定义、连接和管理„Controller的定义DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第三节控制器的定义、连接和管理„新的控制器窗口DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering„控制器与Plant的连接将Plant分配到控制器中，以确定控制器中所要求的I/O端子。要求Controller和Plant连接后必须有相同的测量单位，同时，PlantOS版本号必须比ControllerOS版本号低。第三节控制器的定义、连接和管理DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering„Attach/DetachPlant对话框第三节控制器的定义、连接和管理DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering菜单项:„File包含两个下拉项：„End：关闭原理图窗口。„About：显示版本号信息。„Edit包含十个下拉项：„Insertmodeon/off：插入模式选择，为off选择在原理图后增加一个新的段，为on则在当前段前插入一个新的段。„Delete：删除不再需要的段。„Loadmacro：载入以前所保存的段。„Savemacro：将所需的段保存为macro（以后可用于其它的Plant或Project）。„Deletemacro：删除不再需要的macro。„Modifyhardwarepoint：修改硬件点，可改变模拟输出点、数字输入点、数字输出点的默认属性。第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering„Feedbackpoint：建立附加用户地址（对数字输入或输出点）。„Modifyuseraddress：修改所选点的用户地址。„Pointwithoutgraphic：在原理图中增加没有图形段的点。„Redrawschematic：更新原理图。„View包含四个下拉项：„Pointcount：显示Plant摘要窗口，包括可用的输入、输出点数及类型。„Useraddress：在原理图各个三角形下显示用户地址。„Segmentlist：显示所选段的信息，如对Supplyfan显示singlespeed、novolumecontrol和auxiliarycontact等选项。„Extratext：显示所选段的附加文本，对传感器或执行器来说，附加文本通常指默认值。。„Segments：包含十三个下拉项，用于选择Plant设备类型。不同的Plant类型有不同的段类型。„Help：显示在线用户手册标题目录，点击标题则显示相关信息。第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering原理图中箭头意义箭头颜色箭头三角形方向符号点的类型绿色向下-数字输入或累加器红色向下0模拟输入蓝色向上-数字输出紫色向上0模拟输出淡蓝色向上/Flex第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering硬件点符号（三角形）软件点符号（正方形）AnalogDigitalPulsedSwitchesFlexAnalogDigitalPulsedRemoteAnalogRemoteDigital第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering段操作具体步骤„1．选择增加或插入方式。„2．若为插入方式，将框移到合适的段，以便插入的段放在所需的位置上。软件在框的左边插入段。例如想在第2和第3段间插入新的段，则框应放在第3段上面。„3．点击菜单项Segments，显示段目录。„4．点击段名或输出段的数字选择所需的段，出现选项目录。第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering„5．点击选项或输出选项数字选择所需选项。„6．点击OK选择选项或输入数字，有些所选的段可能会出现附加窗口，从附加窗口选择所需的项。当进行了昀后的选择时，关闭段目录窗口，原理图工作区域出现一个新的段，位于框的左边。„7．可继续选择段，进行组合，当完成原理图后，可用菜单File下拉项End结束原理图功能，开始建立控制策略。第四节Plant原理图DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第五节控制策略控制策略组成：Plant控制策略由控制回路组成，为模拟点提供标准的控制功能，通过监测回路和调整设备操作来维持环境的舒适水平。控制回路是由一系列的表示事件顺序的“控制图标”组成。控制图标通过预编程功能和运算法来实现Plant原理图中的控制顺序。例如：控制图标包括比例-积分-微分(PID)功能和昀大值功能等。DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第五节控制策略•典型的控制回路DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering练习：1.创建新控制回路（在选择任何控制策略之前，必须打开或新建一个回路，File/Load或New）：„点击控制策略窗口菜单File项，选中New第五节控制策略DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering2.选择和放置控制图标：„加入PID图标„左边的变量（Y)是输出„右边的变量（X、W）是输入„Y、X、W需要连接到物理点、软件点或其它控制图标第五节控制策略DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering3.X连接到压力传感器第五节控制策略DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering4.PID的W输入连接到设定值（软件点）首先创建软件点第五节控制策略DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineeringW输入连接到设定值第五节控制策略DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineeringY输出入连接到硬件点（分机控制）当控制回路完成后，PID图标变成浅蓝色第五节控制策略DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering第六节开关逻辑DepartmentofBuildingDepartmentofBuildingServicesEngineeringServicesEngineering图标功能图标意义图标意义新/清屏载入macro保存保存macro恢复结束拷贝从窗口移去控制栏删除第六节开关逻辑DepartmentofBuildingDepartmentofBui