PI ICU Failover
I configured the PI ICU to have the failover capabilities and they seem to work. However they work too well. The interfaces seem to switch between primary and backup every few minutes. Is there a way...
View ArticleRetrieve Tag Value using PHP
ive read that we can retrieve tag snapshot value using php, using below code: <?php $comObjPi = new COM('PISDK.PISDK'); $server = $comObjPi->Servers->Item("your pi server ip or domain name");...
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Question About PI Equation Timestamp
Hi Community, If I have a tag which updates every 2 hours and want to know its yesterday's value. The equation tagvalue('tag1','*-1d') won't do because the data updates only once in 2 hours and its...
View ArticleClarification about some PI licenses terms
Dear OSIsoft team, I posted my request to the community, because I can imagine some other PI customers may also get in details about the PI licenses terms. After stepping in to my new job role, I...
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Our twitter widget on the main page is a great place to see breaking Users...
If you haven't taken a look lately, the twitter widget on the lower right on the main page is full of news from the OSIsoft Users Conference going on this week. And pictures, links, etc. Also,...
View ArticleI/O Timeout
I am having an issue with one of our remote servers maintaining communications with the central Pi server. Before I ask my question, I guess I should explain how our system is set up a little bit....
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Filtering product specific data from tag with time delay
Hello, I was wondering if someone could help find a good solution to my problem. Thank you for any help you can offer. Problem: I have a tag for which the instrument records data for multiple...
View ArticlePI AF Formula Syntax
I am trying to create an AF element attribute that calculates the flow to a specific vessel. The flow meter is shared, so I need to first determine if the vessel's valve is open. I have already...
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UniInt Failover Tags
Hello all, I was recently building PI interfaces using PI ICU and came across a problem with the UniInt Failover. Everytime I try to create the tags for the UniInt Failover, ICU creates them with the...
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wildcards in filter expression
Hi All Can anyone help in how to make a filter expression in excel with wildcards? i have a alarm tag and want to find all events there have "Block" in the text string. I have tryed this: 'TAG1'...
View ArticlePI Datalink, strange behavior.
One single PC in my organization that uses Excel with PI Datalink, despite the PI server is set correctly and connected, instead of the values of the tags, it returns the string: "Specified server...
View ArticlePerformance Equation help
Hello World, I was looking for some help on using PI Performance Equations. I would like to know the number of times a pump has turned on (from time X to time Y) but only when that same pump has...
View ArticleProcessBook - change update rate per display?
I know about changing the TIMER parameter in the [Data Manager] Section of the Procbook.ini file to globally change the refresh rate of all ProcessBook displays, but I really only want to change update...
View ArticlePi ProcessBook Displays: Amend all tag names
Because of DCS replacements in our power plant, most of our points are being moved into one server, which means (I think) that all of the tag names in hundreds of displays will have to be changed. An...
View ArticleIt is possible to evalutate expression with PI-API?
Hello guys, I would like to know if there are a way to evaluate expression with PI-API. Like Buttom Evaluate in SMT. Thanks
View ArticleHow add constant calculate by VBA into a trend through VBA
Hello, Sorry for my english. I have calculated a constant through VBA and I want put it into a trend through VBA. How could I do this? Thank you!! s8i1 = Value94.GetValue(vrdate, vrstatus)...
View ArticleLinking Tags in side Filter Expressions
In order to facilitate using filter expressions is there any way to link cells inside a filter equations. ie ('A1>2 and Steamflow>20') Thanks
View ArticlePIOLEDB timestep issue in SQL Server
Hello: I'm trying to do a query in SQL2008 hitting our PI server via PIOLEDB provider. This query works fine, returns 25 records as expected: SELECT tag, time, value, status FROM...
View ArticleBuffering on OPC interface causing issues
I'm configuring an OPC interface (I've got 6 others so was pretty sure I could get it to work), but I've been having difficulties with getting the buffering service to work and stay connected to the PI...
View ArticleInvert vertical scale in DataLink trend
I have a trend in PI DataLink 2010 which traces two depth tags. These have positive values which increase downwards. I need to invert the trend's vertical scale (to show deeper values below shallower...
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