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Web page with log

Created by: k.bilic at: 4/7/2013 10:17 PM (5 Replies)

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4/7/2013 10:17 PM	Rate (0)
k.bilic Posts: 19 Rating: (0)	Hello everybody. I apologize if this question has been answered... I searched a bit but didn't find anything that would answer my question. I have made a web page which with I can control and monitor my variables. However, now I want to make a log that would tell me when a variable has been changed and display it in a table. It would also be helpful if I could show the speed of motor in a graph. What I wanna know is, is this possible with S7 1200 and if it is, is there any example of log on a web server that I could see and learn from? Thanks.
k.bilic Posts: 19 Rating: (0)
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4/8/2013 11:58 AM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 1/13/2025 Posts: 4391 Rating: (1462)	Hi, I suggest you build a user program the monitore any change in the values (from PLC or from user) and log it with log functions. There is a sample program that shows how to log values at: Sample program: S7-1200 and DATA LOG https://www.automation.siemens.com/BR/tf/WW/en/Posts/57715#top
	Denilson Pegaia Siemens Industry Sector Technical Support
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4/11/2013 9:38 PM	Rate (0)
k.bilic Posts: 19 Rating: (0)	Pegaia Hi, I suggest you build a user program the monitore any change in the values (from PLC or from user) and log it with log functions. There is a sample program that shows how to log values at: Sample program: S7-1200 and DATA LOG https://www.automation.siemens.com/BR/tf/WW/en/Posts/57715#top Thanks, but i was hoping for some program that reads .csv of a log, and then writes it on a web page. Is there any example of it?
k.bilic Posts: 19 Rating: (0)
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4/15/2013 5:52 PM	Rate (0)
Portal Posts: 31 Rating: (0)	I did a log with web page. Use web page means use cpu ressource. I write data in a DB and then I read these data on the web page. Web page is limited, you can't use indirect adressing and pointer in java. You need to access whole variable as is described in the manual. Altought the best way to log data is log function, these feature can't be read by web page (or I don't know how to to this).
Portal Posts: 31 Rating: (0)
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4/16/2013 6:20 PM	Rate (0)
go4 Posts: 2 Rating: (0)	Hallo, I have been creating a web page with log and graph diagramms for a S7-1200. If you want to store the data in a *.csv file and show in a graph on your webpage, you have to do both simultaneously. In common Browsers there is "Local Storage" possible. I suggest, this is the easiest way in your case. go4 Attachment smart.jpg (215 Downloads)
go4 Posts: 2 Rating: (0)
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8/29/2015 1:52 PM	Rate (0)
EugeneSmith Regular Member Joined: 4/16/2015 Last visit: 11/11/2024 Posts: 9 Rating: (0)	go4 can you share your project? I'm looking a way to show trends from csv file. Many thanks in advance.

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