I am trying to retrieve data from datalink for the following,
- Midnight for the last 45 days how can I get that data?
Hi, we have a short and nice tutorial that shows you how to retrieve archived values with PI DataLink, you can find it here:
This is also a good introduction to PI DataLink, and it will show you how to use PI Time abreviations like t (today at midnight), and maybe use something like:
with the archive value function to accomplish what you are looking for. However, for more advanced PI DataLink functions and tricks, browse the learning forum for the posts labeled "PI DataLink Basics". This is a complete online workshop on PI DataLink, and it is a great introduction to this powerful tool. We also have additional "Learning Labs", which are exercises that teach you how to accomplish specific tasks in PI DataLink.
Retrieving data ...