sgull
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Posts posted by sgull
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Would it be easier to have 4 different screens for the 4 units.
depending on what units the user selects, call the relevant screen and ignore the others.
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Hi JW0807
The example above show how to call subroutines when certain conditions are met.
The best way is to call subroutines without any condition.
Just connect the call subroutine block directly to the left rail without any condition.
This way the subroutine is always called.
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2 hours ago, Saragani said:
@sgull
Long story short: It works on my computer. I don't think that the issue you describe is related to Windows 11.What the "Keep old version" does it copy the files from the old installation to a new location and also copy a some files from the ProgramData into that folder. Then change an XML file inside the old installed UniLogic.
Then it uninstalls UniLogic and installs the new version.
Next time it happens to you, tell me, so I can debug it on your computer in a remote session.
Hi @Saragani
I just tried my version of 1.33 rev373 and it has stopped working.
Again I assume that some update has taken place on windows.
Normally I would just re-install or upgrade to the newer version.
Is there something I can check that would help with this issue?
Regards
Denis
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1 hour ago, Saragani said:
Yes, it should run fine. As with other previous versions, some users experience issues with windows 11, reporting wrong sector size, which makes the SQL Server to fail starting.
This issue already has a workaround by Microsoft.
Hi @Saragani
I have noticed with windows 11 that when I download a new version of unilogic the previous versions stops working (clicked to keep previous version).
Also some windows updates prevent the current unilogic version from working.
In both cases the program goes as far as "loading shell services". A fresh install solves the problem.
To go back to a previous version I need to delete the current and re-install the old version.
Probably a windows issue but just wondering if anyone else has found this.
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Did you try to use net address 255 in ZENON instead of 2
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Hi Rog
Status 3 indicates that communication has been made but there is a problem with the modbus command.
On the PC communication you are using read holding registers
On the PLC communication you are looking for "read input registers (4)"
change this to "read holding registers (3)"
The addressing should be ok as it worked on the PC program.
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Am I correct in stating that you can only restrict access to MB's and SI's?
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Hi Agustin
If you have the PLC program you could try removing the SD card and CPU from the panel.The battery backup is in the CPU.Leave power off for 15mins and try to start again.you might need to download the program again and enter non retained settings.Sorry, ignore this, I misread the PLC type.
Best bet is to contact unitronics support support@unitronics.com
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Hi Jacob
Have you confirmed that the Modbus address table for both inverters are the same.
Because of the size difference and maybe the firmware version of the drive you may have some difference in the address.
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Thanks Alex
As mentioned the panel eventually came back to life and did a full boot.
I didnt find anything unusual with the external SD card.
When it stopped during boot several times I removed the CPU and external SD card and tried to Boot again numerous times.
After a while it successfully did a full startup.
I just dont know how reliable this panel will be now.
Is it possible that since the backup battery is in the CPU and that once this was disconnected it cleared the problem with the boot?
Regards
Denis
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Thanks Kratmel
I have sent a support ticket also.
As an update, after several reboots the panel came back to life.
I would still like to know if there is a way of getting to a boot screen.
the program is stored in the panel.
It would be nice to be able to factory reset the panel if the program gets corrupted.
This is an option with the Vision series, where the panel will default to boot if there is a starting error.
I opened the controller and there in an internal SD card.
I tried to read the card in my PC but it just said that it was an unrecognized file system.
I put the internal card back into the controller and it booted successfully.
It would be nice to know what caused the panel to freeze and if there was a method to reset rather than numerous boots.
regards
Denis
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Hi All
I have a Unistream USP-104-B10.
It was working successfully for 2 years on a site.
Today the operator reported that the unit was not updating or responding to touch.
They cycled the power and the unit started with the unistream text on the display.
Normally after a few seconds the green circle should appear to indicate the program was loading.
However it just sticks on the Unistream text logo and after about 2 minutes it restarts.
Is there any procedure like in visilogic to put the unit into boot mode, or any suggestions as to what to try?
Regards
Denis
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can you check that the subroutine is being called in the program?
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Is the 24v from the pressure switch from same 24v source as the supply to the PLC?
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Can you not just put the time variable on the screen and tick the keyboard entry box.
when the time is touched the keyboard will popup to allow entry.
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Hi Manfred
I am in Ireland and the unitronics distributor is
UMAC Systems Ltd.
Email: accounts@umacsystems.com
Mobile: +353 (0)87 1683309
This was available about 9 years ago I am not sure now.
You should first try your local distributor as they may be able to help you faster.
Regards
Denis
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Hi
For these type of problems it is always helpful to upload you program.
what you have posted is only a small piece of information.
for a start you should check that the net where this is located is being called.
you should also check that mb154 is not being reset elsewhere in the program.
if you post your program someone will look at it and assist you.
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Can you share the details of the two wire sensor you are using?
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Also make sure that you have 24VDC supplied to the snap in unit where required.
Depending on the snap in there may be 2 or 3 supplied required.
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There is a compare function in Acrobat Pro that claims to identify differences.
I dont have this program so I dont know how well it works.
I just tried a free online compare with a unilogic project after a made a few small changes.
It picked up the differences easily.
The website is https://draftable.com/compare if someone wants to try a Visilogic file or a more complex file.
Regards
Denis
Request for tips and advice concerning best Practice use for Visilogic Software environment
in Vision & Samba PLC + HMI Controllers & VisiLogic Software
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Hi Marvin
If there is a particular program you are having problems with then you should upload it.
Someone may be able to look at it and suggest better ways of structuring it.
There are many ways of achieving the the same result with PLC programming. It is not a case of right or wrong, but many things can be simplified with good habits.