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Time synchronization via ethernet network among S7-300 PLCs

Created by: rahul engineer at: 6/24/2007 5:51 PM (2 Replies)

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6/24/2007 5:51 PM	Rate (0)
rahul engineer Regular Member Joined: 6/7/2007 Last visit: 3/4/2022 Posts: 5 Rating: (0)	Hi, In our project we havethree of S7-300 PLCs and we have other party in same project with couple of S7-300 PLCs. Both parties have INTERFACE PLC to communicate with each other. both parties have diffrent IP addresses range (they are not in same network). we want to impelement time synchronization among all PLCs via ethernet network. So i wonder being on diffrent network would it possible to achive time synchronization? If any one have come accross these or any one have have a any ideaplease help me! With Regards Rahul

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6/24/2007 7:43 PM	Rate (0)
Late Platinum Expert Joined: 1/7/2006 Last visit: 7/3/2023 Posts: 2705 Rating: (314)	Dear Rahul, With what kind of communicationare the CPUs connected to each other ? When they are all on MPI for example then you may define one Master and the other Slaves for the time and you could synchronize all CPU's, seeTime synchronization in the SIMATIC environment via MPI-Subnets In the FAQ is some explanition about the CPU clock synchronisation Time synchronization in the CPUs If several CPU's are linked together you may synchronise them as in the next FAQ How can you synchronize CPU clocks with each other Time synchronisation over Ethernet is explained in the next FAQ How can you set the time of an S7-300 via Industrial Ethernet There is also the SIMATIC Time Synchronisation and the NTP Time Synchronisation, see How can you synchronize time-of-day in SIMATIC mode via Industrial Ethernet Please consider that only newer CP343-1 CP's may understood the time-synchronisation. So now you have something to read about time synchronisation.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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6/25/2007 12:00 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 8/24/2023 Posts: 4102 Rating: (193)	closed cause question posted twice Here you will find the second topic: Time Synchronization among S7-300 PLCs via ethernet networkin the conference Communication / Networks. I copied the answer of Late to the other topic. Best regards CS Moderator
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards CS Moderator
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