8/9/2020 6:13 AM | |
Joined: 9/9/2015 Last visit: 9/25/2024 Posts: 727 Rating: (278) |
Dear Dayv, Since your plant is working perfectly with current architecture and time sync philosophy, i will suggest you to remain the same, if some mistakes happened in between, you might mess up the data archiving and historian where PLC and OS time appear to be different. So now, your GPS clock is going to be Stratum 0. Then you publish the time to the existing time master in respective plant. and then they should do their own job. This is the easiest and the best solution. another point is, siemens suggest to use SIMATIC Time especially you OS Client. It should get the time from your OS server via SIMATIC Mode. For AS network Scalance, if you are using OS Server as a master, Scalance should automatically got the SIMATIC Time as well. For a domain controlled network, we should sync the time to Domain controller, then from DC, send the time to OS Server, then to the rest.
Hope this is helpful for you. |
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