Trend and Alarm/Event History
We are having 800xA system without IM, Information Manager. Our customer wants to have provision for taking the back-up of trends and Alarm/Event periodically/manually and view/retrieve the back-up data on system simply by selecting the respective back-up file.
Do we have any provision in 800xA system for the above without IM, Information Manager?
Request your help.
The 800xA system store events in defined buffers, if they are full than the oldest data get deleted. The same is true for the buildin trend logging, you define a max number of datapoints that the system can hold.
So even if you manage to backup and restore these data (I don't see a way for that) I would guess that they would be deleted by the system immediatly.
All of these data are stored at the harddisk in several files under the OperateITData/Temp folders. Surely you can backup these files but I would not dare to restore them later to a running system, afaik there is not official way for that.