
System Digital States - AVEVA
2023年3月20日 · in event frame table in PI Vision, system digital state values appear as No Data what ever is the digital state in the actual attribute. ex: Formula Attribute: If A==1 then 1 else digstate("No Sample") Event Frame search in PI System Explorer show No Sample as expected. PI Vision Event Frame table show No Data (undesired behavior)
AF Enumeration Set vs. Digital State Tags? - AVEVA
In PI Vision, when an attribute based on a element template has a symbol added to the display, PI vision allows the option to switch from one element based on that element template to another element based on that element template. We tend to call that "context asset switching", changing which instance of an element based on an element template ...
AF "System Digital State" - AVEVA
2019年1月10日 · The grey exclamation mark is present because the value in the PI Point is that of a system digital state, specifically Calc Failed. To identify why the analysis is outputting Calc Failed , I'd recommend going through the same Youtube video Lal shared.
How to filter data based on PI Tag value - AVEVA
Hi Ryan,Welcome to the PISquare Community! In PI DataLink you can accomplishing what you are asking. For example, let's say the tag you want is "sinusoid", and the tag you want to filter by is "cdt158" (and you want to get the values of "sinusoid" only when "cdt158" is greater than 200).
how to give the symbol of digital value multi state in pi vision?
I'm new to PI Vision and I would like to display the status of, e.g. the pumps close/open status. Let me make a scenario, now I have tags for the pumps with value 'closed' or 'off' , and I draw pump symbol or button symbol from PI existing library, how can I multi-state the symbol with red color when it's 'closed' or' off' while green when it's ...
Getting Integer Values for Digital State Pi Tags - AVEVA
2018年8月23日 · Hi Todd, Thyagarajan Ramachandran is correct, we can get the state number of current value of the digital tag using the analysis expression given, but we can use the "TagVal" function itself instead of "PreVal" as below to get the state number of Digital tag's current value and we can store the output to the Attribute with int16 data type referenced to the PI Point.
Getting Digital State through AFAttribute.GetValue() - AVEVA
1. change your PI digital setting to AF Enumeration setting, and change your PI tag from digital state to Int. 2. you could use PI AF SDK 2.5 or above. From that version, the most function of PI SDK has been integered with PI AF SDK under OSIsoft.AF.PI Namespace. 3. If your current PI AF SDK version is lower than 2.5 and do not wish to update ...
Accessing PI Point System Digital States in AF Analysis - AVEVA
This will have the affect of assigning your 'Pump1 Status' attribute (and its corresponding PI tag) the customized system digital state value of "halfopen". It works because the DigState function is using the SystemDigital PI tag (which has been assigned the SYSTEM digital state set) as the source for resolving the digital state name.
Discrete Tag State Change Detection - pisquare.osisoft.com
If you add PI as a linked server in Microsoft SQL Server using the PI OLEDB Provider as middle-tier, you can create a query using the Transact-SQL LAG function (introduced in SQL Server 2012) to obtain the results you are looking for. Here is a sample query: select time,
Changing digital state set and archive data - AVEVA
I'm programmatically changing the digital state set for a tag that already has archive data and then trying to change the archive data to states in the new state set. What I'm finding is that the code of the new state value appears to be used to update the archived value but it's "looked up" in the old state set giving an erroneous (or ...