Professional knowledge, the four major issues that should be noted in the design of PLC and touch screen control system

1. Location, arrangement and characteristics of elements

All elements can be positioned anywhere on the screen (except for a few special cases, to be detailed later). The positioning method can directly input the X and Y coordinates on the screen in the dialog box related to the element. You can also use the mouse to select and drag directly without releasing your hand.
After each element is generated, zoom in or zoom out on the interface. Makes the interface more clear and coordinated.
Generally speaking, each element can overlap on the interface, but it must be based on the principle of no ambiguity. For example, writing on a graphic; overlaying touch keys on a line of text, etc. But it is not feasible to arrange the two touch keys overlapping.
When there are overlapping arrangements of elements, the problems of the foreground and the background will inevitably occur. There may be different visual effects, which can be adjusted as required.
Not all elements are visible. Some elements may not be visible if their color is the same as the background. Some dynamically displayed elements may not be visible when there is no content to display. The touch keys described in the previous section can be set to invisible, but the function remains unchanged.

Professional knowledge, the four major issues that should be noted in the design of PLC and touch screen control system

Second, the removal and replication of elements

As with all drawing software, elements, components, or the entire interface can be cleared at any time or copied. Can be copied to this interface, can also be copied to other interfaces, and can even be copied to the interface of other design projects (note: not all interfaces are universal. Generally it is feasible when using the same series of touch screen products of the same manufacturer. Grade The low touch screen interface is compatible with the high-level touch screen).
The copy function is very useful and convenient. Because many interfaces in the same project are basically the same, only a few different elements need to be modified.

Professional knowledge, the four major issues that should be noted in the design of PLC and touch screen control system

3. The use of element (piece) prime library

Not all elements need to be drawn one stroke at a time. Because the software contains a very rich gallery. It provides various indicators, switches, buttons and other graphics, as well as the schematic diagram of equipment often used in engineering, such as motors, pumps, pipes, valves, storage tanks, etc., and may even provide more complex modules. These are available at any time.

Professional knowledge, the four major issues that should be noted in the design of PLC and touch screen control system

4. Packing of elements (comprehensive)

When manufacturing machines, the related parts are always assembled into various components, and after debugging, they are stored in the semi-finished product warehouse. Finally, the various components are assembled into a complete product. When programming software, some common function segments are often separated into "subroutines", which can be called at any time. Therefore, when making the interface of the touch screen, we also draw some components or modules specifically for the field of work of this profession according to the same idea. After packaging, you can name and register, and store it in the library after numbering, which will further enrich the content of the library.

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