Table of Contents
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1.1
Visualizing and Controlling Processes
Display and
The basic function of the Touch Panels TP27 and TP37 is the visualization of
operating
process statuses and the operation of processes. The following display and
functions
operating functions can be configured:
Screens
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.
Input/Output
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.
Bar graphs and
Current process values can be output as numeric values, symbolic text,
trend curves
symbolic graphs or in the form of bar graphs and trend curves.
Symbol lists
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.
TP27, TP37 Equipment Manual
Release 01/00
screens
input/output of process values
bar graphs and trends
text or graphic lists
messages
printout
text
help text
recipes
multiple languages
password protection
touch–sensitive operating elements.
Bar graphs
represent a value as a rectangular area. Bar graphs can be used to display
fill levels or quantities, for example.
Trends
display a value continuously. This display mode is useful when displaying
values that vary with time, variations in temperature or pressure,
for example.
Product Description
1-3
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