Wonderware intouch 10 history data export

LGH files were created by Wonderware InTouch, you can not immediately change the value for the milestone. Make sure that the file INTOUCH.INI is in the directory of your application. Where x is the number of minutes from one to 60. The value of the milestone is defined by the following entry in the INTOUCH.INI file under the section: (By default, the milestone value is set to five minutes). For example, if you set the Milestone to 11 minutes, the historical logging system will select the closest value that is acceptable.

The milestone can have the following values: 1,2,3,4,5,6,10,12,15,20,30 or 60 minutes (i.e., a value which is divisible by 60). IDX file contains entries that point to each milestone in the. This means that if you set the time interval вЂњMilestoneвЂќ to three minutes, Wonderware InTouch will create a milestone in the. LGH file and these are always entered at a straight time interval. Let us take the example with the filing cabinet and name the time stamps on the вЂњMilestonesвЂќ drawers. In the following section, there is an explanation for a feature named вЂњMilestonesвЂќ, which allows you to optimize the performance of historical logging. LGH file is more efficient and faster in Wonderware InTouch 5.1. IDX file, retrieving or reading the historical data from the. If data is to be found with different timestamps, InTouch returns to the notebook and finds the drawer with the closest time stamp and starts the search in this drawer. Then, instead of starting with the first drawer, InTouch goes directly to this specific drawer (with the closest time stamp) and then continues to the data that is needed. IDX file) and selects the nearest time stamp entry. LGH file, InTouch looks in the table of contents of the notebook (the. When further data was needed, the logging system had to go back to the first drawer and the search then began again in the entire file cabinet! This can be very time-consuming, especially if the file cabinet contains many drawers, which must be searched.ДЇrom Wonderware InTouch 5.1, finding the data looks as follows: if the system needs data with a special time stamp from the. LOG file was as follows: the search was started in the first drawer and then each file folder was searched, followed by the next drawer until the required data was found. In the previous versions of Wonderware InTouch, finding the data in the. Wonderware InTouch 5.1 History Logging System The drawers in the filing cabinet have labels with a time stamp and the notebook (.IDX) contains entries that point to these drawers with their respective time stamps. IDX file is a kind of tabular notebook that points to the cabinet and works as a table of contents for this cabinet. As an aid to understanding the new historical logging, simply think of a filing cabinet that contains many drawers filled with file folders where the files are stored. The second file is the new index file (.IDX) which has the same name as the. LOG file, which is a binary file that contains the historically written data (but this file is now extended to. There are now two files, instead of one, for the improved historical logger of Wonderware InTouch 5.1. This Tech Note explains how the new historical logging works and this system can be optimized to achieve a good overall performance. The Historical Logging System from WonderwareВ® InTouch в„ў has changed with Version 5.1 and has been enhanced.

Wonderware intouch 10 history data export