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RELIANCE 45C992电源模块
使用RSWho连接模块
注意:要使用此功能,您的电脑上必须安装RSLinx。您还需要在中设置ENBT模块
机架。有关设置ENBT模块的信息,请参阅使用CIPconnect连接到模块(第83页)。
1在ProSoft Configuration Builder的树状图中,右键单击MVI56E-SIE模块。
2从快捷菜单中,选择“从PC下载到设备”。
3在下载对话框中,从选择连接类型中选择1756 ENBT下拉框。梯形图逻辑管理MVI56E-SIE模块之间的通信需要梯形逻辑和处理器。梯形图逻辑处理以下任务:
模块底板数据传输
特殊块处理
状态数据接收
此外,可能需要加电处理程序来初始化模块的数据库和可以清除某些处理器故障。
示例Import Rung with Add-On Instruction被广泛评论,以提供关于每个用户定义数据类型和控制器的用途和功能的信息标签对于大多数应用程序,带附加指令的导入Rung将在没有修改
3.1控制器标签
与MVI56E-SIE相关的数据存储在称为控制器的变量中的梯形图逻辑中标签。
单个控制器标记可以分组为控制器标记集合,称为控制器标记结构。控制器标记结构可以包含以下任意组合:
单个控制器标签
控制器标记阵列
下层控制器标签结构
模块的控制器标签预先编程到附加指令中导入梯级逻辑。
控制器标签可以在子文件夹中找到,该子文件夹位于主RSLogix 5000窗口的控制器管理器窗格中的控制器文件夹。
此控制器标记结构被安排为树形结构。
单个控制器标签包括在树结构的最低级别找到。
每个单独的控制器标签定义为保存特定类型的数据,例如整数或浮点数据。
控制器标签结构是用用户定义的数据类型声明的,这些数据类型是数据类型的集合。
主SIE控制器标签结构分为四个较低级别的标签结构。
Using RSWho to Connect to the Module
Note: RSLinx must be installed on your PC to use this feature. You also need an ENBT module set up in the rack. For information on setting up the ENBT module, see Using CIPconnect to Connect to the Module (page 83). 1 In the tree view in ProSoft Configuration Builder, right-click the MVI56E-SIE module. 2 From the shortcut menu, choose DOWNLOAD FROM PC TO DEVICE. 3 In the Download dialog box, choose 1756 ENBT from the Select Connection Type dropdown box.
Ladder Logic
Ladder logic is required for managing communication between the MVI56E-SIE module and the processor. The ladder logic handles tasks such as: Module backplane data transfer Special block handling Status data receipt Additionally, a power-up handler may be needed to initialize the module’s database and may clear some processor fault conditions. The sample Import Rung with Add-On Instruction is extensively commented to provide information on the purpose and function of each user-defined data type and controller tag.
For most applications
the Import Rung with Add-On Instruction will work without modification. 3.1 Controller Tags Data related to the MVI56E-SIE is stored in the ladder logic in variables called controller tags. Individual controller tags can be grouped into collections of controller tags called controller tag structures. A controller tag structure can contain any combination of: Individual controller tags Controller tag arrays Lower-level controller tag structures The controller tags for the module are pre-programmed into the Add-On Instruction Import Rung ladder logic. Controller Tags can be found in the subfolder, located in the Controller folder in the Controller Organizer pane of the main RSLogix 5000 window. This controller tag structure is arranged as a tree structure. Individual controller tags are found at the lowest level of the tree structure. Each individual controller tag is defined to hold data of a specific type, such as integer or floating-point data. Controller tag structures are declared with user-defined data types, which are collections of data types. The main SIE controller tag structure is divided into four lower-level tag structures.
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