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plant wide and segment wide

1/9/2009 9:31 AM	Rate (0)
Dragonarsty Experienced Member Joined: 5/6/2008 Last visit: 1/10/2026 Posts: 57 Rating: (2)	Dear all: what does the 'plant wide' and 'segment wide' mean? Thanks

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1/9/2009 4:47 PM	Rate (0)
Hulzhex Platinum Member Joined: 8/25/2005 Last visit: 1/14/2026 Posts: 1162 Rating: (111)	Hello Dragonarsty, what do you mean with "plant wide and segment wide" I'm a little bit confused. Are you talking about communication? Hope that a little bit more of information will help to answer your question. Best regards Sabine

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1/12/2009 3:16 AM	Rate (0)
Dragonarsty Experienced Member Joined: 5/6/2008 Last visit: 1/10/2026 Posts: 57 Rating: (2)	Dear Hulzhex : First thank for your attention. I read the following web, http://support.automation.siemens.com/WW/view/en/33118709 I can't understand theword 'plant-wide' and 'segment-wide'. I want someonecan help me explain them.

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1/12/2009 7:23 AM	Rate (0)
dchartier Grandmaster-Expert Joined: 9/27/2006 Last visit: 1/14/2026 Posts: 12481 Rating: (2722)	Hello Dragonarsty: Explanations seem to be inserted in the wording of theFAQ you point to: Segment-wide: [Quote] High-precision time stamping with an accuracy of 1 ms applies only between (and in) those ET 200M stations that are connected to the same DP interface of the PROFIBUS DP master, i.e. the ET 200M stations are connected to one and the same DP master system. High-precision time stamping with an accuracy of 1 ms therefore applies segment wide. [/Quote] Plant-wide: [Quote] High-precision time stamping does not apply between ET 200M stations that are connected to different DP master systems. [/Quote] This is not a standard description used in Profibus topologies, by the way; it is only used in this document. Hope this helps, Daniel Chartier

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1/15/2009 9:28 AM	Rate (0)
Dragonarsty Experienced Member Joined: 5/6/2008 Last visit: 1/10/2026 Posts: 57 Rating: (2)	dear dchartier : thank you very much!

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