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No Data log found

Created by: Nopolis at: 10/23/2019 6:40 PM (20 Replies)

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10/24/2019 9:08 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35962 Rating: (4502)	I did tests. From this it can be seen that the data log is also written if the buffer is not yet filled with 512 bytes. I did the first log attempt with an interval of 1 second and then the data log from the LOGO! downloaded. Then I carried out the second log attempt with an interval of 5 seconds and then the data log from the LOGO! downloaded. Then I carried out the third log attempt with an interval of 10 seconds and then the data log from the LOGO! downloaded. Then I have the SD card from the LOGO! and transfer the data logs from the SD card to the PC. The respective data logs are identical. Data Logs are attached. Attachment Data Logs.zip (388 Downloads)

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10/24/2019 9:59 AM	Rate (0)
Scorp Platinum Member Joined: 2/22/2008 Last visit: 4/25/2025 Posts: 2698 Rating: (210)	You are right, should be bytes and not entries. With 10 bytes per entry and 10s time interval it takes 8 minutes to fill the buffer. I miss files in your zip from sd card, only 3 files for download are available. Regards, Scorp

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10/24/2019 10:26 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35962 Rating: (4502)	Scorp I miss files in your zip from sd card, only 3 files for download are available. Here have news. Attachment Data Logs.zip (294 Downloads)

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10/24/2019 10:59 AM	Rate (0)
Scorp Platinum Member Joined: 2/22/2008 Last visit: 4/25/2025 Posts: 2698 Rating: (210)	The oldest file on SD card is empty, therefore it may be possible, that the first datalog is only written to the internal memory. It would be easier with a detailed description of the datalog storage, but up to now i have not found anything else as your uploaded part of instructions. Regards, Scorp

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10/24/2019 2:57 PM	Rate (0)
Nopolis Posts: 7 Rating: (0)	Thanka all for replyes. 1. When I trying get DataLog via LSC I receive massage "No datalog found". 2. If I stop Logo and remove SD Card and read them in PC then I found zero length csv file (Program worked 1 week before read SD card) 3. Programm and screenshot of DataLog block properties is attached. Attachment Data Logs.zip (324 Downloads)
Nopolis Posts: 7 Rating: (0)
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10/24/2019 3:30 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35962 Rating: (4502)	Hello Nopolis, please be so Kind and upload you program as a ZIP file. Thanks.

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10/24/2019 6:25 PM	Rate (0)
Nopolis Posts: 7 Rating: (0)	Program in attached zip file Attachment Ver 9.zip (311 Downloads)
Nopolis Posts: 7 Rating: (0)
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This contribution was helpful to 1 thankful Users ixo65

10/24/2019 7:19 PM	Rate (1)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35962 Rating: (4502)	First transferred your uploaded program to my LOGO! 8.FS4. Since exactly the same error occurred as with you: No data log to upload to the LOGO! and no CSV file on the SD card. Then I deleted the "Data Log" block in the LSC diagram, selected all objects in the diagram, copied them and inserted them into a new, empty LSC diagram. After that i create the data log and transferred the new program in my LOGO!. And lo and behold ... A data log will be created, it can be uploades from the LOGO!. And also on the SD card a data log was created. In attachement: - the new program (you must control the settings, IP address etc.) - the uploaded Data Log from the LOGO! (192.168.178.32_2019-10-24 18-51-39.csv) - the Data from the SD Card (32_18.csv) Attachment Data Logs.zip (310 Downloads)

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10/24/2019 8:13 PM	Rate (0)
Scorp Platinum Member Joined: 2/22/2008 Last visit: 4/25/2025 Posts: 2698 Rating: (210)	Once again a destroyed program, which can be uploaded to the Logo and don't have all functions.

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10/24/2019 8:23 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/15/2025 Posts: 35962 Rating: (4502)	I suggest the User Nopolis to start a Support Request so that Siemens will examined his source program.

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This contribution was helpful to 1 thankful Users Nopolis

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