TSignalChart, palette SmartSCADA Controls, unit SignalControls.pas

 

 Component that enables signal to be graphically displayed. This component shows actual signals values. This component is inherited from TChart class.

 

PROPERTIES

 

Signals: TStrings

                 Signal list linked to this component. Signals are linked to component by special editor.

 

RefreshPeriod: TTime

                 Defines refresh period. Input format is HH:MM:SS.

 

ShowPeriod: TTime

                 Period that should be displayed in graph. Input format is HH:MM:SS.

 

Figure 51. component in run time

POPUP DIALOG

Right click on object linked to signal will bring up popup dialog that enables to choose signals to be displayed on the screen. Component enables preview of few signals. End user can select signals that will be displayed from list of pre-programmed signals..

 

Figure 52. Select graph signals dialog (run-time)

Value

Description

ifsNone

No interaction with ini file

ifsReadDS

Reading values from ini file in design time

ifsWriteDS

Writing values to ini file in design time

ifsReadWriteDS

Reading and writing values from ini file in design time

ifsReadRT

Reading values from ini file in run time

ifsWriteRT

Writing values to ini file in run time

ifsReadWriteRT

Reading and writing values from/to ini file all the time