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How do you integrate structures into faceplates? Display part number
Instructions: Faceplates enable users to customize the compilation of existing objects (e.g. rectangle, IO field, button, etc.). These faceplates can be saved in a library and be used in other projects so as to reduce the configuration workload. Since every faceplate is a user-defined object, you can define the properties which are permanently saved in the Properties window for an IO field, for example, yourself .
In the case of faceplates with a more complex interface, structures offer the benefit of reducing the configuration workload. If, for example, there are twenty tags transferred to the faceplate, the user simply has to link a structure which contains this number of tags (structural elements). It is particularly advantageous to use structures if this faceplate is used repeatedly in a project.
Fig. 01
The static interface and internal tags •
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Objects (A) Objects are graphical elements which are used to design the process pictures for your faceplate, such as text fields, graphics and interfaces. Properties - static (B) The static properties can be linked to the properties of the individual objects in the faceplate. The link and the declaration take place in the configuration window of the faceplate. All the static properties are constant throughout the WinCC flexible runtime. Static interface (C) Constant parameters (E) and user rights (F) can be transferred individually as properties to the faceplate via the static interface. These properties must be configured beforehand within the faceplate in order to ensure that they are available outside the faceplate as well. The static properties are defined via the static interface in the Properties dialog of the faceplate under the entry " General".
Property of the static interface Note: Structures cannot be configured at the static interface (Fig. 01). More information about the static interface is available in Entry ID 24233458 24233458.. Tags (D) - as from WinCC flexible 2005 SP1 These internal faceplate tags are only valid within the faceplate. Due to system constraints, constraints, they cannot be accessed outside the faceplate.
The dynamic interface
Fig. 02 •
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Properties - dynamic (1) The dynamic properties are declared in the configuration editor and can be linked individually to the properties of the various objects. The properties of the dynamic interface are "variable" in runtime. Dynamic interface (2) All the tags which have been created in the WinCC flexible project can be transferred to the faceplate via the dynamic interface. The dynamic interface supports bi-directional data exchange
Property of the dynamic interface Tags (3) - as from WinCC flexible 2005 SP1 The external tags for the faceplate are configured in the Properties dialog of the faceplate under "Properties > Dynamic Interface". Only tags of the same data type can be configured on the property in question. Structures (4) Structures are configured precisely like tags. The structure configuration must also be identical on either side of the interface.
Use of structures Structures can only be used in:
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faceplates S7 connections or in internal tags the dynamic interface.
Note: There is a sample project available to Download at the end of this entry. It contains a link to a structure within a faceplate. Configuration in WinCC flexible Only the creation of the faceplate is described in the following table. The sample project which is available to download at the end of the entry is explained in greater detail. The pump-operation procedure is described on the basis of a dialog window which can be shown.
N Procedure o.
1 Creating a dialog box •
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Create a "self-designed dialog box" by adding two rectangles of different sizes which are contained in the basic objects. Specify the height and width of the rectangle. The smaller rectangle is used as a "title bar", and the larger one is used as a "dialog box". Place one rectangle on top of the other (see Fig. 03). Change the fill color of the two rectangles to blue and gray.
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Fig. 03 Note: Alternatively, you can also create a screenshot of a Windows dialog box, for example, and integrate it as a graphics object.
2 Add buttons • •
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Add five buttons from the WinCC flexible basic objects. Label the buttons as follows: o "Auto" o "Manual" o "Manual ON" o "Manual OFF" o "X".
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Fig. 04 3 Adding text fields and rectangles • •
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Create two smaller rectangles for the status display. Position these two rectangles on top of one another in the middle of the "dialog" rectangle. Then add three text fields and position them as shown in Fig. 05. Label the text fields as follows: o "Pump" o "Fault" o "Ready for use" Then change the color of the text in the "title bar" that you created to white.
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Fig. 05 4 Adding a graphics display • •
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Open the "Graphics" entry in the WinCC flexible toolbar. Select the graphic " Horizontal pump (right).wmf " from the directory " WinCC flexible graphics folder > Symbol Factory Graphics > SymbolFactory 256 Colors > Pumps". Place the graphic in the large rectangle (see Fig. 05).
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Fig. 06 5 Adding a structure •
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Create a new structure by double-clicking a structure in the project tree under "Project > Structures > Add Structure". Create 16 "BOOL"-type structural elements, as well as one "INT"-type.
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Fig. 07 Note: In the "PLC" selection field, declare whether it is an internal structure or a structure with an interface to an S7-300/400 controller. In the Tag Editor, the structure is only available for the connection selected here.
6 Creating faceplates • •
Select all the objects in the picture by left-clicking them. Then create a faceplate via the " Faceplates > Create Faceplate" menu.
Fig. 08 7 Adding properties and tags You can add properties and tags in the " faceplate configuration" and "property interface" tag. Tags (internal faceplate tags) are only valid within the faceplate and can be configured only as from WinCC flexible 2005 SP1. All parameters which are used outside the faceplate must be defined as a property. Category
Interface
Properties
Internal and external data
Tags
Internal data
Table 01 •
Create a new property in the " Property interface" tab by right-clicking "MyProperties" and then selecting " Add Property" in the pop-up menu. Alternatively, you can click the icon on the toolbar (Fig. 09). Add category Add property
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Add tag (available in WinCC flexible 2005 SP1 onwards) Note: Up to and including WinCC flexible 2005, you can only create dynamic properties when you add the process value of an object, for example of an IO field, via dragand-drop to a property category. As from WinCC flexible 2005 SP1, you can also add static properties of the dynamic interface by double-clicking the properties concerned and then activating the option box that is shown. Select the structure created beforehand, " Structure_1", as a data type. Define another " BOOL"-type property and rename the property "Faceplate_visible". Optionally, the "MyProperties" category can be renamed " Dialog Pump".
Fig. 09 8 Activating visibility •
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Select all the objects (multi-selection) which are contained in the faceplate editor (keeping the mouse button pressed in, drag the cursor over all the objects). Enable the " Visibility" property in the faceplate under " Animations". Link the "faceplate_visible" property, with the "Hidden" attributes, from "0" to "0".
Fig. 10 9 Defining the design of buttons •
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Paste the property " Properties.CB_0_Auto_On" for the "Auto" button under "Animations > Appearance". Select "Integer" as the type, and enter the values "0" and "1". Under the value "1",
select "Green" as the background color. Perform the same steps for the following buttons:
Button Value
Background color
(Auto)
(1)
(green)
Manual
0
yellow
Manual ON
1
blue
Manual OFF
0
Table 02
Property
Properties.CB_0_Auto_On
Properties.CB_1_Manual_On red
Fig. 11 10 Defining the design of the rectangles •
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Activate the "Appearance" animation for the two small rectangles "Fault" and "Ready for use". Link the two properties " Properties.SB_5_Fault" and "Properties.SB_6_Ready_for_use" to the "Appearance" animation. Select "Integer" as the type in each case, and enter the values "0" and "1". Under the value "1", configure the color "RED" for Fault and "GREEN" for Ready for use. Optionally, the attribute "Flashing" can also be enabled under the value "1".
Fig. 12 11 Defining events •
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Incorporate the function " ResetBit" with the property "Properties.CB_1_Manual_on" for the "Auto" button under the event " Press". Additionally, paste the " SetBit" function with the property "Properties.CB_0_Auto_on".
Complete the following functions for each of the buttons:
Button Function Property
Manual Reset bit Properties.CB_0_Auto_On Properties.CB _0_Auto_On Manual Set bit On
Properties.CB_1_Manual_On Properties.CB _1_Manual_On
Manual Reset bit Off Inverted bit
X
Faceplate_visible
Table 03
Fig. 13 12 Adding an IO field • • •
Add an IO field and insert it in the " title bar" (blue rectangle). Link the "Pump_No" property to the IO field. Adapt the background color of the IO field to the " title bar" and change the text color to white.
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The "Faceplate_visible" property must be added to the " Design" animation.
Fig. 14 13 Closing a faceplate Close the faceplate or the faceplate tab. 14 Creating a connection and tags •
Switch to the " Connections" tab and click on the menu " Insert > New Object -
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Connection". Configure the connection which you are using. Create two tags, one with " Structure_1" and one with the " BOOL" data type. Rename "Variable_1" " ST_Faceplate" and "Variable_2" " bFaceplate_visible". Note: If a connection has already been assigned to the Structure, (see tab "Structure_1"), the data type " Internal tag" is not available.
Fig. 15 15 Linking tags to the faceplate • • •
Switch to the picture containing the faceplate. Open the Properties window and go to " Properties > Dynamic Interface". Link the two tags, which you had created under point 14, to the faceplate.
Fig. 16 16 Adding a graphic and a button Faceplate "visibility" must be enabled in order for it to be called. In order to do this, configure the following objects outside the faceplate with the following properties and events: • •
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Add a graphics view and link the " Horizontal pump (right)" graphic. Enable "Transparent color" under " Properties > Appearance" and resize it, if necessary. Add a button to the picture which contains the faceplate. Select "Invisible" as the type in the "General" properties. Link the function " SetBit" with the variable " Faceplate_visible" to the event "Press". Place the "invisible" button over the graphic.
Fig. 17 17 Verifying the project •
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Start WinCC flexible runtime with the simulator and then click the "invisible" button. Click the "Manual" button. Note: In order to verify the project with an S7 controller, create a data block in the SIMATIC Manager containing the " structure_1" setup.
Fig. 18 Download: Attachment 1 contains a sample project containing the faceplate described above including the structure and a sample application.
Attachment 1: WinCC_flexible_Strukturen.zip ( 6086 KB ) Runnability and test environment: The following table lists the components that have been used to create this entry and verify the functions described.
Components
Product and version designation
PC operating system
Microsoft Windows XP SP2
Standard tools
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Engineering tool
STEP 7 V5.4 SP1
HMI software
WinCC flexible 2005 SP1
HMI system
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Keywords: Faceplates, Module
