TBooleanSignal, unit ObjectSignals.pas

 

Component that represent boolean signal in system.

 

PROPERTIES

 

Alarm: TBooleanAlarmProperties

This property object that is used for signal alarm setup. It has next properties:

 

Property	Type	Predefined	Description
RiseOffAlarmEnabled	Boolean	False	Defines either RiseOff alarm is active or not
RiseOffAlarmMessage	Boolean	False	Message that is shown when alarm occurs
RiseOffAlarmWave	String		Path to wav file to be played when alarm occurs
RiseOnAlarmEnabled	Boolean	False	Defines either low alarm is active or not
RiseOnAlarmMessage	String		Message that is shown when alarm occurs
RiseOnAlarmWave	String		Path to wav file to be played when alarm occurs
Level	Integer	0	Alarm level
ShowDialog	Boolean	True	Defines either alarm message is to be shown or not
SaveToDataBase	Boolean	True	Enables or disables saving to data base
LoAlarmSignal	TBooleanSignal	False	Link to Boolean signal linked to High alarm event. True if  EUvalue>=HiLimit.
OffAlarmSignal	TBooleanSignal	False	Link to Boolean signal linked to High alarm event. True EUvalue<=LoLimit.

 

StringTrue: string

Text that is displayed when signal value is true. Default value is “True” and can be changed to any text value.

 

StringFalse: string

Text that is displayed when signal value is false. Default value is “False” and can be changed to any text value.

 

EUValue: string

Variable that contents string defined in StringTrue or StringFalse property and depends on the value of the signal. It is introduced because of compatibility with TFloatSignal and TIntegerSignal.

 

 

StringValue: boolean

Variable that contents string defined in StringTrue or StringFalse property and depends on the value of the signal. It is introduced because of compatibility with earlier versions of SmartSCADA.

 

Value: boolean

Value of the signal (can be True or False).