4/20/2010 2:58 AM | |
Joined: 10/7/2005 Last visit: 9/20/2024 Posts: 3021 Rating: (1054)
|
Hello Arunas1986 even the latest generation of S7-300 CPU's do allow for up to 10 seconds of real time clock deviation per day (even though the "typical" deviation is 2 seconds per day). Worst case would then accumulate to some 30 minutes deviation in half a year (always 10 second+ (or always -) per day every day). As such I'm afraid to say that your 8-10 minutesdeviation in half a year is not unusual and can beexpected. Time synchronisation is the only way to solve it as far as I'm concerned and below are a couple of hopefully helpful links: How do you configure time synchronization? Which SIMATIC S7-300/S7-400 modules support the NTP time-of-day message and how do I activate this kind of time synchronization? I hope this helps |
Cheers |
|
4/20/2010 7:53 AM | |
Posts: 6 Rating: (0) |
Hello, Thanks for informacion fritz, but CPU that is one of my system, I can not compare the time with another device. Sorry, I will not write the number of CPUs. That's it (6ES7 315-1AF02-0AB0). Maybe I'd equate time with OP73 display if there is time avoiding divergence. Just how to do it, can you advise? |
Last edited by: Arunas1986 at: 4/20/2010 3:55 PMLast edited by: Arunas1986 at: 4/20/2010 8:12 AM |
|
4/20/2010 4:03 PM | |
Joined: 9/27/2006 Last visit: 9/19/2024 Posts: 12282 Rating: (2684)
|
Hello Arunas; You can synchronize the date and time between a Siemens Panel and a S7-300 CPU; Look at the following FAQ (and also at the whole collection of time synch. articles at the top of the page, in case your case does not match exactly what you are trying to do): http://support.automation.siemens.com/WW/view/en/24104104 Hope this helps, Daniel Chartier |
Follow us on