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Best Programming Practices

Tips from Unitronics gurus


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  1. Unican send on same line

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  2. Web Server via GSM Modem

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  6. REPLACE I/O FROM THE HMI

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    • Example result of conversion is attached! graafik3.pdf
    • I use Unistream data converter suite - Trend to PDF. I have 4 difernet values in same graph.  When I convert then all the values in y scale ends  with differnet value and it is complicated to compare them with eathother. How I can set same maximum vale in y scale for all 4 values I have. A example 0-3. Or one value 0-3 and alla others 0-2 if it is possible. At the momet they have 0-2,355 and 0-1,268. Can I use  curve properties file for that and can someone say what I should wiritte in this file? Or where I can get it?     
    • Not Sure if I should put this here in the new "HMI Design" or in "Tips & Tricks".... Recently, an old co-worker of mine questioned me on how I had done a Screen Saver/ Blank Screen on a project I did several years back, I made this example for him and figured I'd share it here... Obviously, I started with just a Display with a black background, and nothing else on it. After a preset time of no touchscreen activity, the logic Loads this blank display. And touching the screen brings it back to the Start-up Display (or where ever you want it to go). While that worked, in the dark the display had a glow from the LCD Back-lighting. This example shows a method to dim the back-lighting on the blank display, and back bright when returning. I've commented each net to explain the logic... I imagine this has been covered elsewhere on the forum, but here is my example... JohnR ScreenSaver Display Blanking.vlp
    • Hi, after OS update process we can find normal updated PLC, not updated (update filed but PLC in working condition), not updated - PLC is not started. Standard update process: https://support.unitronics.com/index.php?/selfhelp/view-article/upgrade-or-downgrade-unistream-panel If PLC do not start: https://support.unitronics.com/index.php?/selfhelp/view-article/rescue-procedure-to-recover-unistream-panels   If you have problems with standard update - I recommend changing the USB DOK to another new one from another manufacturer. If the process of updating a new PLC has not taken place - you can change the PLC to a new one under warranty. If your attempts are unsuccessful, and you can't quickly replace the controller - I recommend contacting the manufacturers - they have quality online support. https://support.unitronics.com/index.php? Qualified Unitronics employees can remotely check the upgrade process and fix your problem.  
    • Hello I've tried to download a test project on a brand-new plc (US5-B10-RA28) and got a message that I won't be able to do it until the controller OS is updated. So I did it following the help instructions. I used a 16 GB DOK with FAT32 and started an update via UniApps. After about 20min I got an error message saying that the update has failed. I restarted the PLC by turning it off and on (because I couldn't do it from the UniLogic) and verified that the PLC sees the USB stick and update files of it. This time I started the process again, but using "Remote Update" in UniLogic.  The update is going on for about 4-5 hours, so I suppose it will never finish.  UniLogic version: 1.32.61 Firmware I'm trying to install: 1.32.63 Unfortunately, I don't remember the firmware that the PLC had, I think it was 1.25 Any suggestions? 
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