| Tips & Hints For Aztec Distillation S/w | ||
| The
Various Dialog Boxes: Process Status Auto mode Modifying
the Software : Problem Areas
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This s/w has been written with the
sole intention of simplicity in user usage. Most of these problems have
already been rectified but, we have included all the problems that were
ever seen while developing the program. Hence, the following points have
to be noted while working with the s/w:
1. If on immediately returning from the Dialog box, you find it difficult to see the whole file save it & restart the program. However, to see it immediately, you may go to the Matlab Interface. 2. If you want to store the data file created for use with Matlab, go to the home directory & move it elsewhere as, the next time you open the Dialog box, that file will be destroyed. The data file is named as "data.dat". 3. Don't modify any of the files in the home directory. 4. If Matlab is not being opened make sure that in the Menu: View- folder options- filetypes , Matlab type files with '.m' file extensions are registered, & are opened using the Matlab.exe in your computer. If not registered, register this file type choosing the "New" option there. 5. The author recommends using Matlab for seriously checking the graphs & doing other operations. 6.To create a custom graph use "load data.dat" command in Matlab after going to the directory of this file (the home directory). 7.If Matlab or HTML help buttons/menu items are not responding, close the program, run it again & press the option before opening any files. 8.After loading a large file on the main program window, the Matlab & browser button may not respond. 9.You can separately start the graph view & the Dialog view using the buttons provided. 10.For maximum resolution, the program plots the variations in each value per second . So, if there are large fluctuations in the S.P, it won't be joined together by a line. 11.This program is designed for taking values from the column continuously in the real-time online graph. It can be done indefinitely. 12.You can change the set-points in the dialog box even when the online graph is displayed.The values then shown will be the ones with the S.P changed. 13.There are several links in the dialog box, from which you will be able to get the various information about the Instruments used in a particular section of the distillation column. However all these small buttons may not be visible in the beginning.To see all these links , (help is in html format), press on the TAB button continuously.You will be able to see all the links.Click on them to get the help 14.Immediately after you click the set-pid values button, when you click OK, the s/w will start the pid action.It will be stopped only when you go to manual mode and click OK with or without changing the set-points.To restore it, we have to open the pid-dialog again.The present status of the system is not changed if you click CANCEL in either of the dialog boxes. 15.Note that the Status dialog box shows the current status (last saved status of the values after the pgm was opened), even in the file open mode.i.e., not in the real time graph start mode. 16.Large files stored in .azc format may take a large time to get shown or may not be shown at all because of the extensive code added for the real time graph mode. 17.If after installing the s/w when you open Matlab, it says that graph1 is unidentifiable, you can either change the directory to the home directory of the pgm or to permanently solve the problem, you can see the current directory using the command "cd" & move all the ".m" files from the home directory to the directory specified when you 1st opened Matlab via this software. 18.Very large files may take some-time to be opened the first time after opening the program because of the strenous algorithm involved.A system requirement of Pentium-III/AMD-K6-III, with 128 MB RAM will however give excellent results.
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