Value types of D2000 system objects

All the values, to which the system assign values, are called active objects (classification of D2000 system object). Active objects can be assigned values of various types. Admissible value types for individual objects are shown in the following table.

  D - logical value
I - integer value
R - real value
Ta - absolute time 		Tr - relative time
Li - Line
Al - Alarm
St - Station 		Pr - Process
Txt - Text
Q - quadrat value
  D I R Ta Tr Li Al St Pr Txt Q
Alarm             ×        
Calendar   ×                  
Day type   ×                  
Eval tag × × × × ×            
Historical value × × × × × × × × ×   ×
I/O tag × × × × ×           ×
Line           ×          
Process                 ×    
Remote tag × × × × ×            
Station               ×      
System tag   × ×                
Time channel × × ×                
User variable × × × × ×         ×  
Value array × × ×                

Related pages:

DODM - dynamic object data model

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