TWI451215B - System and method of parameter configuring for programmable logic controller - Google Patents
System and method of parameter configuring for programmable logic controller Download PDFInfo
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本發明係關於一種可編程控制器，尤指一種可編程控制器的參數設定系統及方法。 The invention relates to a programmable controller, in particular to a parameter setting system and method of a programmable controller.
可編程控制器(Programmable Logic Controller，PLC)是一種用於自動化實時控制的微型電腦，廣泛應用於目前的工業控制領域。目前在工業用控制器上，PLC的操作人員在使用PLC時如果更改PLC的一些相關參數如輸入參數(Input，I)、輸出參數(Output，O)、電腦數控設備的指令參數(Command，C)、PLC狀態訊號參數(State，S)、輔助節點訊號參數(Auxiliary，A)、寄存器參數(Register，R)等的值超出一定的範圍時，就必須更改該等參數對應的範圍值，而更改該等參數的範圍值就必須更改與該等參數的範圍值相關的程式，該種方法操作複雜，給PLC的操作人員帶來很大不便。 The Programmable Logic Controller (PLC) is a microcomputer used for automated real-time control and is widely used in the current industrial control field. At present, on the industrial controller, when the PLC operator uses the PLC, he can change some related parameters of the PLC such as input parameters (Input, I), output parameters (Output, O), and command parameters of the CNC device (Command, C). ), PLC status signal parameters (State, S), auxiliary node signal parameters (Auxiliary, A), register parameters (Register, R), etc., when the value exceeds a certain range, you must change the range value corresponding to the parameters, and Changing the range values of these parameters requires changing the program associated with the range values of those parameters. This method is complicated to operate and causes great inconvenience to the PLC operator.
鑒於上述內容，有必要提供一種操作簡單、方便使用的PLC的參數設定系統及方法。 In view of the above, it is necessary to provide a parameter setting system and method for a PLC that is simple to operate and convenient to use.
一種可編程控制器(PLC)的參數設定系統包括：一檔模組，用於存儲PLC的應用文件及可擴充標注語言( Extensible Markup Language，XML)檔；一主程式模組，用於讀取該檔模組中的XML檔中的參數名稱及各個參數對應的範圍值，並輸出一控制訊號；一參數存儲模組，用於將該主程式模組讀取到的該XML檔中的參數名稱及各個參數對應的範圍值進行存儲；一介面顯示模組，用於接收該主程式模組輸出的控制訊號並根據該控制訊號讀取該參數存儲模組中存儲的該參數的參數名稱及各個參數對應的範圍值；及一顯示介面，用於將該介面顯示模組讀取的該參數的參數名稱及各個參數對應的範圍值進行顯示。 A parameter setting system of a programmable controller (PLC) includes: a first-order module for storing an application file of the PLC and an expandable markup language ( Extensible Markup Language (XML) file; a main program module for reading the parameter name in the XML file in the file module and the range value corresponding to each parameter, and outputting a control signal; a parameter storage module, And storing a parameter name in the XML file and a range value corresponding to each parameter; the interface display module is configured to receive a control signal output by the main program module, and according to the The control signal reads the parameter name of the parameter stored in the parameter storage module and the range value corresponding to each parameter; and a display interface for corresponding to the parameter name and each parameter of the parameter read by the interface display module The range value is displayed.
一種應用於上述可編程控制器的參數設定系統的參數設定方法，包括以下步驟：該主程式模組判斷該PLC的檔模組中是否存在XML檔；如不存在XML檔，則該主程式模組讀取該PLC中固有的參數名稱及各個參數對應的範圍值；如存在XML檔，該主程式模組判斷該XML檔中是否存在設定的參數名稱及範圍值，如不存在設定的參數名稱及範圍值，則進入該主程式模組讀取該PLC中固有的參數名稱及各個參數對應的範圍值的步驟；如存在設定的參數名稱及範圍，則該主程式模組讀取該XML檔中的參數名稱及範圍值並將其存儲在該參數存儲模組中，並輸出一控制訊號給該介面顯示模組； 該介面顯示模組接收該主程式模組輸出的控制訊號並根據該控制訊號將該參數名稱及範圍值透過該顯示介面進行顯示，並判斷所要設定的參數的值是否在該範圍值內；如所要設定的參數的值在該範圍值內，該PLC的操作人員透過該顯示介面選取該參數名稱並設定該參數的值；及如所要設定的參數的值不在該範圍值內，修改該XML檔中該參數對應的範圍值後進入該主程式模組讀取該XML檔中的參數名稱及範圍值並將其存儲在該參數存儲模組中，並輸出一控制訊號給該介面顯示模組的步驟。 A parameter setting method applied to a parameter setting system of the programmable controller includes the following steps: the main program module determines whether an XML file exists in a file module of the PLC; if there is no XML file, the main program mode The group reads the parameter name inherent in the PLC and the range value corresponding to each parameter; if there is an XML file, the main program module determines whether there is a set parameter name and a range value in the XML file, if there is no set parameter name And the range value, the step of entering the parameter name and the range value corresponding to each parameter in the main program module; if there is a set parameter name and range, the main program module reads the XML file The parameter name and the range value are stored in the parameter storage module, and a control signal is output to the interface display module; The interface display module receives the control signal output by the main program module and displays the parameter name and range value through the display interface according to the control signal, and determines whether the value of the parameter to be set is within the range value; The value of the parameter to be set is within the range value, and the operator of the PLC selects the parameter name and sets the value of the parameter through the display interface; and if the value of the parameter to be set is not within the range value, the XML file is modified. After the range value corresponding to the parameter, the main program module reads the parameter name and range value in the XML file and stores it in the parameter storage module, and outputs a control signal to the interface display module. step.
相較習知技術，該可編程控制器的參數設定系統及方法透過在該PLC的檔模組中設置該XML檔，該主程式模組透過讀取該XML檔並將該XML檔中的參數名稱及範圍值存儲在該參數存儲模組中，並輸出一控制訊號給該介面顯示模組以使該介面顯示模組從該參數存儲模組中讀取存儲的參數名稱及範圍值並將其透過該顯示介面進行顯示。PLC的操作人員透過該顯示介面選擇參數名稱並設定該參數的值，透過更改該XML檔中的參數名稱及範圍值以此使該顯示介面上的參數名稱及範圍值改變。該可編程控制器的參數設定系統及方法操作簡單，給PLC的操作人員帶來很大方便。 Compared with the prior art, the parameter setting system and method of the programmable controller can set the XML file in the file module of the PLC, and the main program module reads the XML file and the parameters in the XML file. The name and the range value are stored in the parameter storage module, and a control signal is output to the interface display module, so that the interface display module reads the stored parameter name and range value from the parameter storage module and Display through the display interface. The operator of the PLC selects the parameter name through the display interface and sets the value of the parameter, and changes the parameter name and the range value of the display interface by changing the parameter name and the range value in the XML file. The parameter setting system and method of the programmable controller are simple to operate, and bring great convenience to the PLC operator.
10‧‧‧檔模組 10‧‧‧ file module
20‧‧‧主程式模組 20‧‧‧Main Program Module
30‧‧‧參數存儲模組 30‧‧‧Parameter storage module
40‧‧‧介面顯示模組 40‧‧‧Interface display module
50‧‧‧顯示介面 50‧‧‧Display interface
圖1是本發明PLC的參數設定系統較佳實施方式的框圖。 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram of a preferred embodiment of a parameter setting system for a PLC of the present invention.
圖2是本發明PLC的參數設定方法的較佳實施方式的流程圖。 2 is a flow chart of a preferred embodiment of a parameter setting method of the PLC of the present invention.
請參考圖1，本發明PLC的參數設定系統的較佳實施方式中包括一 檔模組10、一主程式模組20、一參數存儲模組30、一介面顯示模組40及一顯示介面50。 Referring to FIG. 1, a preferred embodiment of the parameter setting system of the PLC of the present invention includes a The file module 10, a main program module 20, a parameter storage module 30, an interface display module 40, and a display interface 50.
該檔模組10用於存儲PLC的應用文件及可擴充標注語言(Extensible Markup Language，XML)檔，該XML檔中包括參數I、O、C、S、A及R的參數名稱及各個參數對應的範圍值，如參數C的範圍值為0-512，(如表1所示)，該XML檔中的各個參數的範圍值作為PLC後續運行時所使用的參數的範圍值。該主程式模組20用於讀取該檔模組10中的XML檔並將該XML檔中的參數名稱及各個參數對應的範圍值存儲於該參數存儲模組30中，並輸出一控制訊號給該介面顯示模組40，該介面顯示模組40接收到該主程式模組20輸出的控制訊號後讀取該參數存儲模組30中存儲的該等參數I、O、C、S、A及R的參數名稱及各個參數對應的範圍值，並將其透過該顯示介面50進行顯示。PLC的操作人員透過在該顯示介面50上選擇需要的參數名稱，並根據該參數名稱對應的範圍值來設定該參數的值。 The file module 10 is configured to store an application file of the PLC and an Extensible Markup Language (XML) file, where the XML file includes parameter names of the parameters I, O, C, S, A, and R, and corresponding to each parameter. The range value, such as the range value of parameter C is 0-512, (as shown in Table 1), the range value of each parameter in the XML file is used as the range value of the parameter used in the subsequent operation of the PLC. The main program module 20 is configured to read the XML file in the file module 10 and store the parameter name and the range value corresponding to each parameter in the XML file in the parameter storage module 30, and output a control signal. The interface display module 40 is configured to receive the control signals output by the main program module 20 and read the parameters I, O, C, S, and A stored in the parameter storage module 30. And the parameter name of R and the range value corresponding to each parameter, and display it through the display interface 50. The operator of the PLC selects the required parameter name on the display interface 50 and sets the value of the parameter according to the range value corresponding to the parameter name.
使用時，首先PLC的操作人員生成一XML檔，該XML檔中包括該等 參數I、O、C、S、A及R的參數名稱及各個參數對應的範圍值，然後將該XML檔放置在該PLC的檔模組10中，如該PLC的應用文件放置在D盤下的PLC檔夾中，那麼該XML檔亦應該放置在該D盤下的PLC檔夾中，當該PLC初始化時，該主程式模組20從該檔模組10中讀取該XML文件並將該XML文件中的I、O、C、S、A及R的參數名稱及各個參數對應的範圍值存儲在該參數存儲模組30中，並輸出一控制訊號給該介面顯示模組40以使該介面顯示模組40讀取該參數存儲模組30中存儲的I、O、C、S、A及R的參數名稱及各個參數對應的範圍值，並使該介面顯示模組40將讀取到的I、O、C、S、A及R的參數名稱及各個參數對應的範圍值透過一顯示介面50進行顯示。該PLC的操作人員根據需要透過該顯示介面50選取需要的參數名稱並在該顯示介面50顯示的參數範圍內選取該參數的值，參數選取完畢之後，該PLC將直接應用上述選取的參數值進行後續操作。如果該PLC的操作人員需要的某一參數的值在該顯示介面50顯示的該參數對應的範圍之外，可以透過更改該XML檔內該參數名稱對應的範圍值以此使該顯示介面50上顯示的該參數名稱對應的範圍值變化，從而使該PLC的操作人員可以得到該參數需要的值。 In use, the PLC operator first generates an XML file, which is included in the XML file. The parameter names of the parameters I, O, C, S, A, and R and the range values corresponding to the respective parameters, and then the XML file is placed in the file module 10 of the PLC, if the application file of the PLC is placed under the D disk In the PLC folder, the XML file should also be placed in the PLC folder under the D disk. When the PLC is initialized, the main program module 20 reads the XML file from the file module 10 and The parameter names of I, O, C, S, A, and R in the XML file and the range values corresponding to the respective parameters are stored in the parameter storage module 30, and a control signal is output to the interface display module 40. The interface display module 40 reads the parameter names of the I, O, C, S, A, and R stored in the parameter storage module 30 and the range values corresponding to the respective parameters, and causes the interface display module 40 to read The parameter names of the I, O, C, S, A, and R and the range values corresponding to the respective parameters are displayed through a display interface 50. The operator of the PLC selects the required parameter name through the display interface 50 and selects the value of the parameter within the parameter range displayed by the display interface 50. After the parameter is selected, the PLC directly applies the selected parameter value. Follow-up actions. If the value of a parameter required by the operator of the PLC is outside the range corresponding to the parameter displayed by the display interface 50, the display interface 50 can be made by changing the range value corresponding to the parameter name in the XML file. The range value corresponding to the parameter name displayed changes, so that the operator of the PLC can obtain the value required by the parameter.
下面舉例說明，假設該參數C的預設範圍值為512，則在該顯示介面50上該參數C可以選擇的值就在0-512之間，即在該顯示介面50上選擇參數名稱C後，只要選擇的值在0-512之間皆可以使用。如果需要該參數C的值為600大於該範圍值的最大值512，則為了使該參數C的值有效，只需更改該XML檔中該參數C的範圍值，比如將該參數C的範圍值更改為1024，則在該顯示介面50上即可選擇該參數C的值為600，或其他在0-1024之間的值皆可以使用。 For example, if the preset range value of the parameter C is 512, the value that can be selected by the parameter C on the display interface 50 is between 0 and 512, that is, after the parameter name C is selected on the display interface 50. As long as the selected value is between 0-512 can be used. If the value of the parameter C is greater than 600, the maximum value of the parameter C is greater than 512. In order to validate the value of the parameter C, it is only necessary to change the range value of the parameter C in the XML file, such as the range value of the parameter C. If the value is changed to 1024, the value of the parameter C can be selected on the display interface 50, or other values between 0 and 1024 can be used.
請參考圖2，本發明可編程控制器的參數設定方法的較佳實施方式包括以下步驟： Referring to FIG. 2, a preferred embodiment of the parameter setting method of the programmable controller of the present invention includes the following steps:
步驟S1：該主程式模組20判斷該PLC的檔模組10中是否存在XML檔。 Step S1: The main program module 20 determines whether an XML file exists in the file module 10 of the PLC.
步驟S2：如不存在XML檔，則該主程式模組20讀取該PLC中固有的I、O、C、S、A及R的參數名稱及各個參數對應的範圍值，並應用到PLC的後續工作中。 Step S2: If there is no XML file, the main program module 20 reads the parameter names of the I, O, C, S, A, and R inherent in the PLC and the range values corresponding to the respective parameters, and applies to the PLC. Follow-up work.
步驟S3：如存在XML檔，該主程式模組20判斷該XML檔中是否存在設定的參數名稱及範圍值，如不存在設定的參數名稱及範圍值，則進入步驟S2。 Step S3: If there is an XML file, the main program module 20 determines whether there is a set parameter name and a range value in the XML file. If there is no set parameter name and range value, the process proceeds to step S2.
步驟S4：如存在設定的參數名稱及範圍，則該主程式模組20讀取該XML檔中的參數名稱及範圍值並將其存儲在該參數存儲模組30中，並輸出一控制訊號給該介面顯示模組40。 Step S4: If there is a set parameter name and range, the main program module 20 reads the parameter name and range value in the XML file and stores it in the parameter storage module 30, and outputs a control signal to The interface displays the module 40.
步驟S5：該介面顯示模組40接收該主程式模組20輸出的控制訊號並根據該控制訊號將該參數名稱及範圍值透過該顯示介面50進行顯示，並判斷所要設定的參數的值是否在該範圍值內。 Step S5: The interface display module 40 receives the control signal output by the main program module 20, and displays the parameter name and range value through the display interface 50 according to the control signal, and determines whether the value of the parameter to be set is Within the range of values.
步驟S6：如所要設定的參數的值在該範圍值內，該PLC的操作人員透過該顯示介面50選取該參數名稱並設定該參數的值，參數選取後，PLC將應用修改後的參數進行後續作業。 Step S6: If the value of the parameter to be set is within the range value, the operator of the PLC selects the parameter name through the display interface 50 and sets the value of the parameter. After the parameter is selected, the PLC applies the modified parameter for subsequent steps. operation.
步驟S7：如所要設定的參數的值不在該範圍值內，則修改該XML檔中該參數對應的範圍值使其滿足要求後進入步驟S4。 Step S7: If the value of the parameter to be set is not within the range value, modify the range value corresponding to the parameter in the XML file to satisfy the requirement, and then proceed to step S4.
該可編程控制器的參數設定系統及方法透過在該PLC的檔模組中 設置一包括該等參數I、O、C、S、A及R的參數名稱及範圍值的XML檔，該主程式模組20透過讀取該XML檔並將該XML文件中的I、O、C、S、A及R的參數名稱及範圍值存儲在該參數存儲模組30中，並輸出一控制訊號給該介面顯示模組40以使該介面顯示模組40從該參數存儲模組30中讀取存儲的I、O、C、S、A及R的參數名稱及範圍值並將其透過該顯示介面50進行顯示。PLC的操作人員透過該顯示介面50選擇I、O、C、S、A及R的參數名稱並設定該參數的值，透過更改該XML檔中的I、O、C、S、A及R的參數名稱及範圍值以此使該顯示介面50上的I、O、C、S、A及R的參數名稱及範圍值改變。該可編程控制器的參數設定系統及方法操作簡單，給PLC的操作人員帶來很大方便。 The parameter setting system and method of the programmable controller are in the file module of the PLC Setting an XML file including the parameter names and range values of the parameters I, O, C, S, A, and R, the main program module 20 reads the XML file and the I, O, and the XML file The parameter names and range values of C, S, A, and R are stored in the parameter storage module 30, and a control signal is output to the interface display module 40 to cause the interface display module 40 to pass from the parameter storage module 30. The parameter names and range values of the stored I, O, C, S, A, and R are read and displayed through the display interface 50. The operator of the PLC selects the parameter names of I, O, C, S, A, and R through the display interface 50 and sets the value of the parameter, by changing the I, O, C, S, A, and R in the XML file. The parameter name and range value thereby change the parameter names and range values of I, O, C, S, A, and R on the display interface 50. The parameter setting system and method of the programmable controller are simple to operate, and bring great convenience to the PLC operator.
綜上所述，本發明符合發明專利要件，爰依法提出專利申請。惟，以上所述者僅為本發明之較佳實施例，舉凡熟悉本案技藝之人士，在爰依本發明精神所作之等效修飾或變化，皆應涵蓋於以下之申請專利範圍內。 In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.
10‧‧‧檔模組 10‧‧‧ file module
20‧‧‧主程式模組 20‧‧‧Main Program Module
30‧‧‧參數存儲模組 30‧‧‧Parameter storage module
40‧‧‧介面顯示模組 40‧‧‧Interface display module
50‧‧‧顯示介面 50‧‧‧Display interface
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| TW201037471A TW201037471A (en) | 2010-10-16 |
| TWI451215B true TWI451215B (en) | 2014-09-01 |
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| TW098111245A TWI451215B (en) | 2009-04-03 | 2009-04-03 | System and method of parameter configuring for programmable logic controller |
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| CN111176199A (en) * | 2019-11-29 | 2020-05-19 | 新洋丰农业科技股份有限公司 | Method for replacing PLC input/output point |
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