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TP27, TP37 Equipment Manual
Release 01/00
1.1 Visualizing and Controlling Processes
The basic function of the Touch Panels TP27 and TP37 is the visualization of
process statuses and the operation of processes. The following display and
operating functions can be configured:
S screens
S input/output of process values
S bar graphs and trends
S text or graphic lists
S messages
S printout
S text
S help text
S recipes
S multiple languages
S password protection
S touch–sensitive operating elements.
Logically related process data from the PLC can be compiled, displayed on a
screen and individual parts of it modified. Screens may contain buttons,
graphics, text and values.
The Touch Panels can display machines and systems as full–graphics screens.
This makes it easier for the operator to find his way around.
Numeric, alphanumeric and symbolic values can be entered via touch–sensitive
input fields on the Touch Panel which are then transferred to the PLC. Current
values of the PLC are displayed in output fields.
Current process values can be output as numeric values, symbolic text,
symbolic graphs or in the form of bar graphs and trend curves.
S Bar graphs
represent a value as a rectangular area. Bar graphs can be used to display
fill levels or quantities, for example.
S Trends
display a value continuously. This display mode is useful when displaying
values that vary with time, variations in temperature or pressure,
for example.
Various graphic elements (bitmaps) or texts can be called into the display
depending on the process status. In this way, for example, the current setting of
a valve can be visualized on the Touch Panel by means of symbolic graphics
or text can be modified according to the situation.
Display and
operating
functions
Screens
Input/Output
Bar graphs and
trend curves
Symbol lists
Product Description
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