How to add Properties in Trend Displays in ABB 800xA system?
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Unfortunately you are probably "out of luck" on this problem.
The Standard Libraries are usually locked. This is quite frustrating because there are some things that do need to be changed - like in your case the Trend Display configurations.
For some Libraries - for example the PC Device Lib - there are "Extension Libraries" which contain extensions to the standard product. If these extension libraries are unlocked, then you can make your own extensions which can add to or replace the ABB supplied aspects. But most importantly, your extension changes do NOT delete the original ABB supplied aspects, so you can continue to upgrade systems in the future.
If your ABB base library has an extension library you may be able to make the changes you require in that extension.
If any ABB responsible developers are reading this I would encourage them to always offer unlocked extension libraries so that users can customise some parts of the library.
First of all, I assume that you will like to make the changes in the Object Type Structure for the object type concerned.
(this will ensure that the changes you make will take effect in all instantiated objects of the object type concerned)
1) For the Object Type concerned; Locate the "Log Configuration" aspect
2) In the Log Configuration aspect; Add the "Log Properties" that you want
3) For the Object Type concerned; Locate the "Trend Display" aspect.
4) Add the newly configured "Property" (see step 2) above) to the object type specific "Trend Display".
I hope this will help you.
Standard Libraries are Released with locking option.. Hence user cannot modify any changes with default setting..
The best solution is you can another Trend display manually and define the tag as per your requirement. If bulk number trends to be added , Please use BDM to add the Trend displays