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LOGO Data Log timestamps

Created by: Dangeruss24 at: 12/16/2022 7:17 PM (10 Replies)

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12/16/2022 7:17 PM	Rate (0)
Dangeruss24 Member Joined: 7/5/2022 Last visit: 12/19/2022 Posts: 10 Rating: (0)	How would I add timestamps/time intervals to the LOGO data log output? Right now, I have the log triggering once every 5 seconds, screenshot below. Data log is also below. The model PLC is 0BA8

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12/17/2022 3:42 AM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	Sometimes it's enough to attach a screenshot. But in your case it's better we can take a look into the Data Log file. Please upload your Data Log file and your LOGO! program as a ZIP file.

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12/19/2022 1:52 PM	Rate (0)
Dangeruss24 Member Joined: 7/5/2022 Last visit: 12/19/2022 Posts: 10 Rating: (0)	The files are attached, thanks for your help Attachment LOGO.zip (292 Downloads)

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12/19/2022 1:55 PM	Rate (0)
Dangeruss24 Member Joined: 7/5/2022 Last visit: 12/19/2022 Posts: 10 Rating: (0)	I started using the webserver to record data and realized that my data log also contains incorrect data. The webserver will read 4, and then I can play with the system to bump it up into the hundreds. I hold it here for about 20 seconds, verified by both a voltmeter and the webserver, and then bring it back down. But the log only shows datapoints between 4-6. Any ideas what might be causing this? Same file as above.

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12/19/2022 2:04 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	In your datalog is a time stamp, but with wrong date. Have you not set the date and the time of the real clock? I can't load your LOGO! program into LSC because it ask for a diagram password.

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12/19/2022 3:06 PM	Rate (0)
Dangeruss24 Member Joined: 7/5/2022 Last visit: 12/19/2022 Posts: 10 Rating: (0)	I set the clock and it added the timestamps, but I am still getting incorrect readings for the analogs. Password is LOGOPLC Any ideas? Thanks

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12/19/2022 3:13 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	In your LSC diagram you have not selected any operand for data logging.

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12/19/2022 3:18 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	Also you have negate the HIGH signal on the enable input of the pulse generator. Then works the pulse generator not.

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12/19/2022 3:25 PM	Rate (0)
ixo65 Grandmaster-Expert Joined: 12/18/2014 Last visit: 12/1/2023 Posts: 31530 Rating: (3916)	I added in the Data Log some operands and delete the negationon the EN input of the pulse generator. Then I transferred the program to my LOGO!. That's the result:

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This contribution was helpful to 1 thankful Users Dangeruss24

12/19/2022 3:51 PM	Rate (0)
Dangeruss24 Member Joined: 7/5/2022 Last visit: 12/19/2022 Posts: 10 Rating: (0)	Yeah I was swapping around the analogs that were logged, I must have forgotten to upload a file with one of the test analogs. I did not realize that the asynchronous pulse generator had an inverted En input. Changing this fixed my problems, because I was now logging when I was modifying my system variables. Thanks for your help!

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