7.9.1 Graphical display of values
Online functions
The following is defined in the device description with regard to online functions:
● Process variables and measured values that can be visualized or used online
● Type of display and content of the online dialogs
● Possible online operations
The values and parameters appear on standardized online displays, which are coordinated
with different functions.
Note
Online functions are active (time running)
If a function accesses online values then an animated clock icon is shown in the title bar in
the online dialogs.
Displaying information in the chart
Device description files can include the following information on displaying values/parameters
in charts:
● Source of values/parameters
● Chart type
● Value ranges
Charts for process values
● Trend chart (Page 142)
Multiple values/parameters can be displayed in a chart at the same time.
– Y-T charts
● Tachometer chart (Page 145)
Each value/parameter is displayed in a separate chart.
● Bar chart (Page 190)
Multiple values/parameters can be displayed simultaneously in a chart.
Trend chart for variables and constants
Multiple variables/constants can be displayed in a chart at one time.
● Trend chart (Page 142)
Multiple variables/constants can be displayed in a chart at one time.
– Y-T charts
– X-Y charts
The following data is displayed:
Functions
7.9 Graphical displays
Help for SIMATIC PDM (V8.2)
Operating Manual, 02/2014, A5E33203676-AA 141
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