TIA Portal storing data

[chandrapaul]

hi,
i made a program of controlling temperature of 20 tanks using PID control. now i want to store the data of the present temperature of the whole 20 tanks of different times? how can i do that? please give me some hints...

Thanks

 

[CommissioningMan]

Move each PV into an array of 20 REALS with a for loop, then move that datatype into a DB every specified time cycle?

 

[cardosocea]

Use a SCADA system with historical trending?

 

[chandrapaul]

Move each PV into an array of 20 REALS with a for loop, then move that datatype into a DB every specified time cycle?

how can i export the data into excel file or something else?

 

[chandrapaul]

Use a SCADA system with historical trending?

can i do it in RT wincc advanced?