Listbox
I would like to make a listbox with upload control some esquipamentos? Nominal value, and emergency adrvertência value? Values appearing green to par, yellow for warning and red for values of...
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Excel PI Datalink - how to leave no data as blank instead of interpolated value
Dear Teachers, Please help me to find the simplest way to do this. I need to list the data from manually logged tags so they all can have one timestamp column on the left but do not interpolate...
View ArticleDifference between AF model templates and AF element templates
Hi I am new to PI System and I trying to figure out the difference between the model template and the element template. As far as I can see you can build a model of the assets by nesting the elements...
View ArticleIs it possible to scan les than 1 sec or on events only
HI Is it possible to define a scanclass less than 1 sec? We have OPC-tags, which potentially can send "string" event at a very high frequnecy. How would I be able to get hold of them all? Lars
View ArticleYTD Tag Avg
I am trying to use performance equations to get the TagAvg Year to Date I understand the equation should look like tagavg('tag','*','1/1/2014') My question is how do i dynamically calculated the...
View ArticleFiltered Expression not behaving as expected
Hi guys/gals, Part of my job is to map our LIMS data to a PI tag after the tag has been created, this should be the extent of my interaction with PI. Recently an engineer sent me an email stating...
View ArticleHow to handle WRITE Function in Pi with STRING "Point Type"
Can anybody tell how to handle WRITE functionality using STRING Point Type in OSI Pi? We are expecting that when there is change in source Tag (STRING Point Type) ; instrument Tag ((STRING Point Type)...
View ArticleInvalid float on totaliser
Hi All, A couple of my totalisers (well they are 8 hour averages really) are reading "Invalid float" even though the source tag has a good value. How do I fix this? Looked on OSI tech support and...
View ArticleNo more values error
Hi, Im tryin to figure this thing out. I have got a tag that has the following values Date - String Date - String Date - String Date - String Date - String Date - String2 Date - String2 Date -...
View ArticleDatalink 2013, Calculated Data Time Interval and Filter Expression
I am using datalink 2013. I have calculated data with a filter expression but leaving the time interval blank. When I apply it, it seems to work fine. However, if I go back and click on it...
View ArticlePi Manual Logger 2014
Good morning !!! investigating the use of PI Manual Logger 2014 and I have the following questions with the web based versions: 1- Can we use the camera on a mobile device to capture image at a...
View Articlehelp for calculating air enthalpy or exhaust gas enthalpy
I need to calculate air enthalpy and gas enthalpy (exhaust gas can be GT exhaust or boiler exit in rankine cycle). I would like to code as performance equation in PI system. Thanx.
View Articlepi datalink expression for avg value..
dear all, I want to calculate avg value of any tag, if it's value is above 100 for 10 min in specific time interval. how can i do?
View ArticlePi Calculation for Bar Graph in VBA
I am trying to set up a bar graph through VBA that uses a Pi Calculation as the Tag. I have already set up the Pi Calculation in the datasets window. It is just a simple percentage calculation based...
View ArticlePI Calculation Data Set Average
I'm using the PI Calculation Data Set to calculate the average of a tag in intervals of one hour. Is PI calculating the average of all the data changes of the tag in one hour or is it just...
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How to change a Topic Prefix from Not_Answered to Answered
I think the topic title says it all, but here i go again . How do i, or anyone else for that matter, change the topic prefix. I ask this question because i started a couple of topic now and i want to...
View ArticlePI Datalink Total Volume between max and min
Hi , My problem exits in calculated data In Excel i want the total m³ a tank was decreased. Between two timestamps . Problem is that the volume fluctuates. Someone ideas? Thanks erwin
View ArticleLaunch PI ProcessBook Entries Externally
Is anyone familiar with ways to launch/open PI ProcessBook file and open an entry within it from a vbs file and/or hyperlink? After searching online and googling, I have found some help in launching...
View Articlehow to embed pi processbook svg file in html or asp?
dear all, I want to embed pi processbook svg file in asp. is my data will refresh in html or asp?please provide code how to embed pi processbook svg file in html or asp? thanks
View ArticleCompressed data in Processbook - tabular form
I would like to display compressed data in Processbook in tabular form, much like in an Excel spreadsheet. More specifically, display the values for a list of tags over the past 12 hours. I would...
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