產品內容介紹
TEWS TPMC871-10擴展輸出卡件
四個較低級別的控制器標簽結構包含其他控制器標簽和控制器
標記結構。單擊任何控制器標記結構旁邊的[+]符號,將其展開并查看結構中的下一層。例如,SIE。DATA控制器標記結構為展開后,可以看到有兩個控制器標記數組SIE.DATA.ReadData和SIE.DATA。WriteData,默認為600個元素整數數組。
“附加指令”中的每個控制器標記都在“說明”列中注釋。
注:數據類型列顯示用于聲明每個控制器標記、控制器標記的數據類型
數組或控制器標記結構。單個控制器標記用基本數據類型聲明,如INT和BOOL。控制器標記數組是用基本數據類型的數組聲明的。控制器標記結構是用用戶定義的數據類型(UDT)聲明用戶定義的數據類型(UDT)允許用戶將數據類型集合組織為分組。然后,可以使用這些分組或數據類型結構來聲明控制器標記結構的數據類型。定義UDT的另一個優點是可以在使用相同數據類型的其他控制器標記結構中重復使用。
模塊的附加指令導入運行梯形圖邏輯具有預定義的UDT。您可以在“用戶定義”子文件夾中找到它們,該子文件夾位于RSLogix主窗口的控制器管理器窗格。與控制器標簽一樣UDT以多級樹結構組織。
MVI56E-SIE附加指令定義了11個不同的UDT。
主UDT SIEMODULEDEF包含模塊的所有數據類型用于創建主控制器標記結構SIE。一級有四個UDTSIEMODULEDEF下方。這些較低級別的UDT用于創建SIE.DATA,
溶劑同位素效應。控制,SIE。狀態和SIE。UTIL控制器標簽結構。
使用控制器標記控制器標簽可用于:
? 查看在模塊和加工機
? 查看模塊的狀態數據。
? 設置并觸發特殊功能。
? 啟動模塊重啟(熱啟動或冷啟動)。
控制器標簽概述SIE中的控制器標簽。DATA保存要在處理器和MVI56E-SIE模塊。
此讀寫數據在處理器之間傳輸和模塊為“頁面”或塊,數據長度不超過200個字。
SIE.data的數據類型。ReadData和SIE.DATA。WriteData控制器標記數組是包含可變元素數的整數數組。
Controller Tag Overview
The controller tags in SIE.DATA hold data to be transferred between the processor and the MVI56E-SIE module. This read and write data is transferred between the processor and module as "pages," or blocks, of data up to 200 words long. The data types for the SIE.DATA.ReadData and SIE.DATA.WriteData controller tag arrays are integer arrays containing variable numbers of elements. The four lower-level controller tag structures contain other controller tags and controller tag structures. Click the [+] sign next to any controller tag structure to expand it and view the next level in the structure. For example, the SIE.DATA controller tag structure is expanded, it can be seen that there are two controller tag arrays, SIE.DATA.ReadData and SIE.DATA.WriteData, which are 600-element integer arrays by default. Each controller tag in the Add-On Instruction is commented in the Description column. Note: The Data Type column displays the data types used to declare each controller tag, controller tag array or controller tag structure. Individual controller tags are declared with basic data types, such as INT and BOOL. Controller tag arrays are declared with arrays of basic data types. Controller tag structures are declared with user-defined data types (UDTs)
User-Defined Data Types (UDTs)
User-defined data types (UDTs) allow users to organize collections of data types into groupings. These groupings, or data type structures, can then be used to declare the data types for controller tag structures. Another advantage of defining a UDT is that it may be re-used in other controller tag structures that use the same data types. The Add-On Instruction Import Rung ladder logic for the module has pre-defined UDTs. You can find them in the User-Defined subfolder, located in the Data Types folder in the Controller Organizer pane of the main RSLogix window. Like the controller tags, the UDTs are organized in a multiple-level tree structure. Eleven different UDTs are defined for the MVI56E-SIE Add-On Instruction. The main UDT, SIEMODULEDEF, contains all the data types for the module and was used to create the main controller tag structure, SIE. There are four UDTs one level below SIEMODULEDEF. These lower-level UDTs were used to create the SIE.DATA, SIE.CONTROL, SIE.STATUS, and SIE.UTIL controller tag structures.
Using Controller Tags Controller tags can be used to: ? View read and write data that is being transferred between the module and the processor. ? View status data for the module. ? Set up and trigger special functions. ? Initiate module restarts (Warm Boot or Cold Boot).
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