Velun Tong Touch Screen EBPro Software Knowledge Points (1-20)

1. Background color:

Right-click on the blank space of the window, select Properties, Pop-up Settings, and select a color in the background;

Hatch: In the background, tick the fill, select the pattern color and pattern.

2. Picture/Background Image:

Select the image symbol, select the gallery, pop up the image management window, select the Add Image button in the upper right corner of the project file, click the Add button in the lower right corner in the new status, and select the image on the computer.

3. Add text:

Click on the text element, enter the content, and then adjust the font, color, font size, whether italic, whether it is underlined, whether it flashes, and whether it needs to be moved according to the requirements of the question.

4. Real-time data (temperature, humidity, light) value display (test program in PLC):

Numerical display: click on the numerical component to add; Address setting method: obtain temperature setting address as VD6 (32-bit float) input 2 digits before and after the decimal point, add PLC name to select Siemens S7-200, obtain humidity address as VD10 (32-bit float) enter 2 digits before and after the decimal point, obtain lighting address as VW4 (16-bit Unsigned), enter 4 digits before the decimal point, enter 0 digits after the decimal point; The numerical value is displayed with a background image (default), and the use of vector image option can be unchecked in the picture according to the requirements of the question, and the background image is not used; In Font, select Chinese font for font.

Trend chart display: first add a new data sampling, select VW4 as the data source, add 3 channels, the data types are 16-bit Unsigned, 32-bit float, 32-bit float, and then set the background color and XY distance of the trend chart in the trend chart element, and check the channel in the channel, set the channel color, thickness, maximum value and minimum value.

5. Display the current time with the watch hand:

Hour hand: click on the watch hand element, read the address selection system register LW-9019 (16-bit Unsigned), in the appearance, the angle is set according to the requirements of the problem; Tick marker: choose to use the scale, select the color, enter 12 for the main marker, enter 4 for the secondary marker, and set the length according to the requirements of the question; Pointer: Set the shape, frame, and inner color of the pointer according to the requirements of the question, and set the width and length; Pivot: Set the circular axis or rectangular axis according to the requirements of the question, and then adjust the outer frame color and inner color; Under Limit/Marker, the minimum and maximum values are set according to the requirements of the question; Range: Check the display value range marker, set the lower limit, range, upper limit color and width according to the question, use the user-defined radius, and enter the radius value; If the question requires the upper and lower limits to be taken from registers, check the upper and lower limits from registers option and set the register address of the lower limits.

If it is not required, it is not checked, and the upper and lower limits can be set by their own values; If you check the tick symbol, select Chinese font as the font, and then set the color, size, and number of decimal places according to the requirements of the question;

Use the bit status to control whether the watch hand component is displayed: In the watch hand component safety, check the Use Active/Invalid option, set the position to take effect when the bit status is ON or OFF, and set the trigger address.

6. Switch window:

(1) Click the button to switch: select the function key component, select the switch basic window command in the pop-up dialog box, select the window to be switched by window number, and then set the background image according to the requirements of the question.

(2) N seconds automatic switching: add a multi-state setting element, the address takes LW0 as an example, the mode selection is automatically incremented (increased to the upper limit), the upper limit value is entered into the window number of the switching window, the frequency = N/ (upper limit value / incremental value), the incremental value is calculated, the control type is selected to switch the basic window in the PLC control, and the trigger address is LW0.

7. Numerical value display system time

The numerical element addresses are selected from the system registers, which are LW9022 (year), LW9021 (month), LW9020 (day), LW9019 (hour), LW9018 (minute), LW9017 (second), the data format is set to 16-bit Unsigned, and the font is changed to Chinese font.

8. System time is equal to set time switching window:

A new macro is added and set to trigger periodically:

Read 12 data of system time and set time respectively to judge, if all data of system time are equal to the data of the corresponding set time, send 12 to LW0, in PLC control, control type selection switch basic window, trigger address selection LW0.

9. Enter the username and password, and the login button will be displayed

Click the edit menu, select the system parameter settings, and then in the user password, check enable 1, set the password according to the requirements of the question, only check category A for the following categories, after the setting is completed, add 2 new numeric component addresses and select LW9219 (user number) and LW9220 (password) respectively, select 16-bit Unsigned for user number and 32-bit Unsigned for password; Add another function key component, switch the window to 10 windows, in security, the user restricts the operation category to select the category: A, check the box to hide the component when the user does not have permission to operate this category.

Enter the user name and password arbitrarily: execute macro instructions periodically, the user name and password address are LW1 and LW2, read the data of LW1 and LW2, if they are not equal to 0, set the bit state LB0 to the ON state, and display the login button; Otherwise, the bit status is OFF, and the login button is not displayed.

10. Draw graphics as required:

Apply elements such as straight lines, free curves, multi-segment lines, arcs, ellipses, sectors, rectangles, polygons, scales, etc. according to the requirements of the topic.

11. Display the same data with bar plots and numerical values:

Set the address and data format of the bar plot to the same as that of the numeric component.

12. Use numerical elements to display the setting value of the slide switch in real time

Set the address of the slide switch and numeric element and the monitor address of the slide switch to the same address, and unify the data format.

13. Numerical comparison and button control realize equipment linkage control

Periodically execute or trigger macros via a button:

Read the lighting value and the setting value and the button state to judge, if the setting value is greater than the lighting value and the button state is 1, the light is on; Otherwise, the lights go off.

14. The text is displayed in turn, and does not disappear after display:

Bit Status Indicator/Text Active (EB Pro only): Add 4 digits of status indicator or text element, check the Active/Invalid option in Security, select Hide when off, set the trigger address to LB0, LB1, LB2, LB3 respectively, and then trigger the macro and set it to execute periodically:

First, set LB0 as the ON state, then add a delay function, the delay time is 1000ms, then set LB1 as the ON state, add a delay function, delay 1000ms, and set LB2 to the ON state; Add a delay function with a delay of 1000 ms and set LB3 to the ON state.

15. The pop-up window displays:

(1) Add a bit state setting component, the address is LB0, add a direct window component, select ON trigger as the trigger mode, select the window number that needs to pop up, and the address is the same as the bit state setting is LB0.

(2) Use the function key component, select the pop-up window, set the window number and whether to display the window control bar.

16. Switch between different windows with one button:

(1) Switch the window according to the current window number:

In the macro command, read the current window number first, and then write the window number of the previous window or the next window to LW0 according to the window number, and add a new switching window in the PLC control, and select LW0 as the trigger address.

(2) Switch the window according to the requirements of the question:

According to the requirements of the question, judge whether the conditions are met, if the switch to 13 window is satisfied, then write 13 to LW0, if it is not satisfied to switch to 10 window, then write 10 to LW0, and select the switch basic window in the PLC control, and select LW0 for the trigger address.

17. The component is valid and invalid:

Under Component Safety, select the Active/Invalid option, and you can select three situations: hide when closed, use grayscale effect when closed, and display but invalid, enter the trigger address, and set it to ON/OFF to be effective, and select different situations according to the topic.

18. Macro calculation:

The values to be calculated are read, and then the data is calculated and written to LW0.

19. According to the different selections of the project menu, two different direct windows will pop up with one button:

The macro command is triggered by the button to read the addresses LW1 and LW2 of the project menu respectively, and the display and non-display of the two direct windows are triggered respectively according to the selection of the project menu.

20. The same component (numerical value, bar chart, watch hand, trend chart, slide switch) displays the numerical value from two different addresses, and the data source is switched by the bit state switch element:

Through the bit state switching switch element OFF->ON, the macro command is executed: the first set of data is read and written into the numerical element LW0 and displayed;

Select and execute macro through PLC control, select ON->OFF for trigger mode, switch address for address selection bit status, and execute macro command: read the second set of data and write it into the numerical element LW1 and display it.

Velun Tong Touch Screen EBPro Software Knowledge Points (1-20)

Velun Tong Touch Screen EBPro Software Knowledge Points (1-20)

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