DaveB Posted May 23, 2021 Report Share Posted May 23, 2021 Dear colleagues, Maybe you can help me. Something strange is happening with one project I'm working on. I've been developing an application for my client using my PLC, which is a Unistream Modular USP-104-B10. Once everything was ok and working perfectly, I modified the hardware configuration to match with my client's PLC, which is a Unistream Built-in standard US7-B5-R38 and I downloaded it. I only had to remove all references to the USP-B10 inputs and outputs in my ladder, change the PLC in the HW config, and set the new I/O of the US7 in the code. So, before I was capable to create Data Tables, convert them to CSV, download them through FTP to my laptop, use the File Browser element to copy them to a USB drive, use the Data Sampler to create graphs... But now, I can only download the CSV and Data Samples using FTP. I cannot see these files in the SD card using the File Browser in the PLC, and the PLC cannot represents graphs using the Data Sampler. So the SD card seems to be fine, as I can take the files through FTP from the PLC and works fine when I connect it in my laptop, but it looks like for the PLC the SD card is not ok, as it can't show the files neither work with them. Oh, and the graph freezes in "synchronizing" when I start the data sampling. Projects are exactly the same and the only different thing is the PLC and the SD card (formatted in FAT32, size 16GB but different manufacturer). Do you know what could be wrong? I'm running out of ideas. Many thanks, Dave B Quote Link to comment Share on other sites More sharing options...
AlexUT Posted May 23, 2021 Report Share Posted May 23, 2021 1. Test with SD card you already used. Does it works? 2. If you make full format for new (problematic) SD card - does format finish with no errors? 3. Find at Internet software to test SD card capacity and run test. What does test show? 1 Quote Link to comment Share on other sites More sharing options...
DaveB Posted May 23, 2021 Author Report Share Posted May 23, 2021 58 minutes ago, AlexUT said: 1. Test with SD card you already used. Does it works? 2. If you make full format for new (problematic) SD card - does format finish with no errors? 3. Find at Internet software to test SD card capacity and run test. What does test show? Hi AlexUT, thanks for the quick response. I appreciate. 1. I didn't have the chance to test with my SD. My client is in a different town and I have limited access to his factory. But I've sent him a new SD to discard this problem. He will tell me with the result as soon as he receives it. And next time I will take mine to test with it. 2. Yes, I did that in FAT 32 and no errors. And the SD was working fine in my PC, being able to access the files inside. 3. I will also try that. but the SD was completely new... Thanks. I'll let you know as soon as I can check these points. Best regards Quote Link to comment Share on other sites More sharing options...
MVP 2023 kratmel Posted May 23, 2021 MVP 2023 Report Share Posted May 23, 2021 Due to the fact that you have replaced the full version B10 of the controller with a simplified basic version B5, the functionality you have programmed probably does not meet the capabilities of a simpler PLC controller. That is, if you wrote a program from scratch for a simpler controller - probably the Unilogic environment would tell you that some of used functions are not supported. By making a simple replacement, you have avoided the messages of the Unilogic environment, but probably both used controllers are not equal in capabilities. Some option in Unistream built-in manual is marked with "For UniStream 7″ Pro only". 1 Quote Link to comment Share on other sites More sharing options...
MVP 2023 Ausman Posted May 23, 2021 MVP 2023 Report Share Posted May 23, 2021 I'm with Kratmel. I don't use Unistream but I am well aware of issues that can occur between seemingly identical plcs. Deeper looking then discovers fundamental differences in their specs. A simple test would be to load from the SD onto your plc, but this might perhaps work anyway because it is going from a simple to a pro. The other way is likely the issue. Ultimately, if this is the issue, you perhaps have no alternative other than having a simpler controller to do your work on. cheers, Aus 1 Quote Link to comment Share on other sites More sharing options...
DaveB Posted June 20, 2021 Author Report Share Posted June 20, 2021 Hi all, First of all, thank you all for your great support. I finally could find the problem. There was something wrong with the SD cards. My Unitronics dealer sent me a manual on how to initialize the card using Diskpart commands and it worked. Now the Unistream is archiving the samples and CSV files correctly. Thanks again and best regards. DaveB Quote Link to comment Share on other sites More sharing options...
vincentBsef Posted June 23, 2021 Report Share Posted June 23, 2021 Thank you for your feedback. These are functions that I also use, and reading the problem and the answer, I would not have thought that the SD card could have problems, and that it appears like this. It is very nice of you to share the troubleshooting. Is it possible to know the content of the manual for resetting the card with the mentioned software? Best regards 1 Quote Link to comment Share on other sites More sharing options...
DaveB Posted July 8, 2021 Author Report Share Posted July 8, 2021 On 6/23/2021 at 4:06 PM, vincentBsef said: Thank you for your feedback. These are functions that I also use, and reading the problem and the answer, I would not have thought that the SD card could have problems, and that it appears like this. It is very nice of you to share the troubleshooting. Is it possible to know the content of the manual for resetting the card with the mentioned software? Best regards Hi Vincent, Sure, but the manual was in Spanish, so I translated it for you here below. Best regards There are many conditions or possible problems that may appear with SD cards or PenDrives. To maximize the compatibility of these elements, please follow the steps described below: · For this example an 8GB SD card has been used. · If you have important information in the device, make a backup 1) If you are using a virtual machine, make sure the USB port is linked to the VM 2) Open windows console (Execute CMD) 3) Execute “diskpart 4) Visualize “list disk”. This command will show all units. 5) Insert your SD/PenDrive 6) Execute again “list disk” A new unit will show up. If not, this is a problem between windows and the SD 7) Let’s suppose the unit appears in the list. Execute “select disk 2”. Disk 2 is the disk selected 8) Execute “list partition” Offset shouldn’t be 0 B 9) Execute “clean” DISKPART>clean This command will delete the partition of the selected disk. Make sure to select the right disk. Everything will be deleted. It will take a while. Be patient. 10) When the process is done, the message below will appear: DISKPART>clean Diskpart succeeded in cleaning the disk 11) Execute “list disk” again The selected disk will be marked with an asterisk * 12) Let’s suppose the disk is shown correctly. Execute “select disk 2” 13) Execute “list partition” DISKPART>list partition There are no partitions on this disk to show. 14) Execute “create partition primary” DISKPART>create partition primary Diskpart succeeded in creating the specified partition. 15) Execute “list partition” again DISKPART>list partition Offset shouldn’t be 0 B 16) Execute “detail partition” DISKPART>detail partition The file system is RAW (no format) 17) Format a new disk from windows with a cluster size of 4096 18) Execute “detail partition” again to confirm. File system now is FAT32 19) Execute “exit” to close diskpart DISKPART>exit Leaving DiskPart… 20) You can close command window (CMD) 21) Remove the SD/PenDrive safely 22) Insert the SD/Pendrive in the PLC 23) Go to UniApps or format with the SD Card Suite to generate the appropriate folder structure 24) Select Memory -> File Browser 25) For SD, you can verify the structure at Uniapps 1 Quote Link to comment Share on other sites More sharing options...
AlexUT Posted July 8, 2021 Report Share Posted July 8, 2021 You can find original Helpdesk article at next link: Prepare Disk on Key (DOK) or SD card to work with PLC https://support.unitronics.com/index.php?/selfhelp/view-article/prepare-disk-on-key-dok-or-sd-card-to-work-with-plc 2 Quote Link to comment Share on other sites More sharing options...
vincentBsef Posted September 29, 2021 Report Share Posted September 29, 2021 Thank you both, DaveB and AlexUT. And sorry for my long response time. I wanted to test first, I never could, and then... you know. Sorry. It was impolite of me. Thanks for your translation work, DaveB. 1 Quote Link to comment Share on other sites More sharing options...
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