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PN-PN Coupler over ISO-ON-TCP/IP

Created by: Dongerpure at: 3/13/2014 2:34 PM (1 Replies)

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3/13/2014 2:34 PM	Rate (0)
Dongerpure Bronze Member Joined: 3/8/2011 Last visit: 5/17/2023 Posts: 262 Rating: (21)	Hello, Why we prefer PN-PN coupler though we can exchange the data between two S7 CPUs over ISO-ON-TCP/IP??? Whats the difference with Cyclic and Acyclic Communication. Thanks
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3/13/2014 3:11 PM	Rate (0)
Fafner Silver Member Joined: 3/20/2013 Last visit: 4/3/2024 Posts: 676 Rating: (44)	hey, i guess the german thread to this topic is not helfpul for you? manual: http://support.automation.siemens.com/WW/view/en/23865436 in a short way: if you want to exchange data between two subnets that have an autarkic function, then you can use a PN/PN coupler. But as you say you can also use other Ethernet methods.
	Best Regards, Fafner
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