Nogmor Posted July 17, 2013 Report Share Posted July 17, 2013 Hi! First of all, I would like to say I love your controllers! They are excellent and make work so much more easier and automated. Second, I seem to have stumbled on a very peculier state in which an HMI screen is simply responding very slow (Slow frame rate?) the scan time is normal: 2 - 4 ms and for some reason only a single HMI screen in the multitude of screens is responding slow. Controller\PC Setup: V1040 OPLC with V200-18-E3/4XB Snap-In and two expansion units: IO-AO6X and IO-DI16. Visilogic 9.4.0 (Having trouble converting to 9.5.0... - for next time) running on Intel Pentium 4, 3.00GHz under Windows 7, 32-bit with 4 GB ram. The Visilogic itself is a bit slow at times, but I would hardly believe this to have an affect on the PLC itself. I have about 8 HMI screens on a program, with 8 ladders for each screen. I designed to program to run more than one ladder at the same time, but just to figure this out, I cancled all of them and kept the single problematic HMI screen+ladder running, and still the HMI screen is slow to respond (button pressing, switchs change bitmaps etc). Even disabling the ladder and simply staying on the HMI is not helpful - even when no ladder logic is being used (accepting voltage) the respons time of the HMI is still slow - and this is just one single screen. I have found an SI which I believe is the frame rate or a very good identifier of it, since it only changes to a very low number when i am displaying this HMI. SI 44 - Although it is undocumented anywhere I looked, apparently, changes between 256 and 20 whenever I display the problematic HMI. Every other HMI screen has SI 44 at 256, but when I display the problematic HMI, SI 44 changes rapidly from 256 to 20-21. Hope it helps you figure it out. Thanks alot for your help! Mori Quote Link to comment Share on other sites More sharing options...
R.Mozes Posted July 17, 2013 Report Share Posted July 17, 2013 Dear Sir, Thank you for your feedback! Please send your project for examination to support@unitronics.com . also, few instructions how to simulate the problem and your O/S version. Thanks.. Quote Link to comment Share on other sites More sharing options...
Nogmor Posted July 17, 2013 Author Report Share Posted July 17, 2013 Sent. Also, when going over it, I'd love some feedback on how to improve some of the logic which I'm sure is basic. Thanks. Mori Quote Link to comment Share on other sites More sharing options...
Nogmor Posted July 18, 2013 Author Report Share Posted July 18, 2013 Problem Solved. Thanks for the help! And for future reference - always check every item on the HMI is properly defined in each parameter. Quote Link to comment Share on other sites More sharing options...
MVP 2022 Flex727 Posted July 18, 2013 MVP 2022 Report Share Posted July 18, 2013 Inquiring minds want to know - what was the cause of the problem? Quote Link to comment Share on other sites More sharing options...
Nogmor Posted July 29, 2013 Author Report Share Posted July 29, 2013 Well, it seemed that I had a thermometer graph which did not have its Minimum and Maximum values defined at all (not 0 but blank fields) which caused the HMI to keep redrawing itself without ceasing that caused the slow refresh time. Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.