{"id":3537,"date":"2019-03-25T17:44:46","date_gmt":"2019-03-25T20:44:46","guid":{"rendered":"http:\/\/xexeu.elipse.com.br\/pt\/kb31347-calculating-a-historic-tags-average-inside-a-startend-datetime-range\/"},"modified":"2019-10-18T10:46:45","modified_gmt":"2019-10-18T13:46:45","slug":"kb31347-calculating-a-historic-tags-average-inside-a-startend-datetime-range","status":"publish","type":"post","link":"https:\/\/kb.elipse.com.br\/en\/kb31347-calculating-a-historic-tags-average-inside-a-startend-datetime-range\/","title":{"rendered":"KB-31347: Calculating a historic tag’s average inside a start\/end date\/time range."},"content":{"rendered":"

Question:<\/strong><\/p>\n

<\/div>\n

How can I calculate a historic tag’s average inside a start\/end date\/time range?<\/p>\n

<\/div>\n

Solu\u00e7\u00e3o:<\/strong><\/p>\n

<\/div>\n

To do so, use Average<\/i> function.<\/p>\n

Average (src, type, startTime [, endTime])<\/span><\/p>\n

This function returns the average of a historic data set. src<\/em> parameter determines the name of the tag recorded in the historic. type<\/em> parameter determines the time interval to be considered to calculate the average, which could be:<\/p>\n

Time interval<\/u>
\n0 – Year
\n1 – Month
\n2 – Week
\n3 – Day
\n4 – Hour
\n5 – Minute<\/p>\n

startTime<\/em> parameter detemines the average’s start time. endTime<\/em> parameter (optional) determines the average’s end time; when this parameter is used, Type<\/em> parameter is ignored.<\/div>\n
<\/div>\n

So basically, you will need to use the script below:<\/p>\n

Hist1.Open()
\naverage = Hist1.Average(“tag001”,1,StaDate,EndDate)
\nHist1.Close()<\/span><\/p>\n

Where:<\/p>\n

\n
    \n
  • Hist1 <\/b>is the historic being used<\/li>\n
  • average <\/b>is a TagRam where the average value will be saved<\/li>\n
  • tag001 <\/b>is the name of the tag whose average is being calculated<\/li>\n
  • StaDate <\/b>is a TagRam with the start date and time values, in dd\/mm\/yyyy hh:mm:ss format<\/li>\n
  • EndDate is a <\/b>TagRam with the end date and time values, in dd\/mm\/yyyy hh:mm:ss format<\/li>\n<\/ul>\n<\/div>\n

    This means that the historic will first be opened with Hist1.Open()<\/span>. After that, the average <\/i>TagRam will be attributed to Average<\/span><\/i> function. Finally, the historic will be closed after calculation with Hist1.Close()<\/span>.<\/span><\/p>\n

    <\/div>\n

    Notice that in this example, average<\/b>, StaDate <\/b>and EndDate <\/b>are RAM tags. To set up the date\/time ranges, just add setpoints to the screen, link them to their respective tags, and set them up in Date Time format.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Question: How can I calculate a historic tag’s average inside a start\/end date\/time range? Solu\u00e7\u00e3o: To do so, use Average function. Average (src, type, startTime [, endTime]) This function returns…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0},"categories":[770,778],"tags":[],"yoast_head":"\nKB-31347: Calculating a historic tag's average inside a start\/end date\/time range. - Elipse Knowledgebase<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kb.elipse.com.br\/en\/kb31347-calculating-a-historic-tags-average-inside-a-startend-datetime-range\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KB-31347: Calculating a historic tag's average inside a start\/end date\/time range.\" \/>\n<meta property=\"og:description\" content=\"Question: How can I calculate a historic tag’s average inside a start\/end date\/time range? 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