6AV3991-1AJ02-0AB0中文资料西门子数据手册PDF规格书

General Operation

Using the Touch Panel screen, it is possible to observe the operating status of

the machine or system being monitored and, at the same time, to intervene directly

in the process running simply by touching the buttons and input fields

displayed.

Operation of the Touch Panels TP27 and TP37 is intuitive to a large extent,

because

operating elements can be positioned where they belong, from a functional

point of view,

labeling of visible buttons is dynamic; in other words, labeling can be

changed online, according to the language required, or

language–independent bitmaps can be assigned to the buttons, for example,

any sections of the system or process screen are rendered operable by superimposing

invisible buttons

virtual keys for cursor functions and value input only appear when they can

actually be used: In input windows.

A screen occupies the entire display. An example of screen partitioning on the

TP37 display containing several open windows is illustrated in figure 3-1. The

TP27-6 has a smaller display, so that the operating elements are cascaded