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Sharing IOs on one remote IO station between more PLCs on Profinet.

Created by: Georgio at: 3/7/2013 9:02 AM (7 Replies)

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3/7/2013 9:02 AM	Rate (1)
Georgio Bronze Member Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14)	Hi. I would like to ask regarding IO access to remote station on Profinet. I am sorry but I do not know profinet a lot, I have been worked mainly with Profibus to these days. So mabye my question can be stupid for you. So: Imagine that I have two PLCs: S7 1200 with profinet. Also I have ONE remote IO station with some IO cards with IOs. In TIA portal I make Profinet and connect two PLCs and remote station together into one net (assign IP address and names). So everything is connected together. Question: Can I read/write from BOTH PLCs to remote station to their inputs and outputs? Because addresses of IOs on remote station are unique on net so maybe its possible. I mean sharing one remote IO station between more PLCs on Profinet. Thank you for your answer. Georgio
	Georgio
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3/7/2013 1:21 PM	Rate (0)
mrkintaro Posts: 69 Rating: (1)	YOu can Have a look to this Manual : 4.7 Shared Device https://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&lang=en&objID=18880715&subtype=133300
mrkintaro Posts: 69 Rating: (1)
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3/7/2013 1:54 PM	Rate (1)
UMENCHO Diamond Expert Joined: 3/21/2006 Last visit: 11/1/2024 Posts: 10229 Rating: (1181)	Because I can't to find it directly on above mentioned link- the manual should be Detailed information on the topic of PROFINET IO and Shared Device is available in the manual "SIMATIC PROFINET System Description" in Entry ID19292127. Best regards, Hristo Mihalev

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This contribution was helpful to 1 thankful Users Berg

3/7/2013 5:49 PM	Rate (0)
Georgio Bronze Member Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14)	Hi. Thank you for your answers. The description is clear in manual. But I need it also for new TIA portal, so I have to find out know how to set the shared IO stations in TIA.. Thanks. Georgio
	Georgio
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5/20/2013 10:41 AM	Rate (0)
joacef Posts: 3 Rating: (0)	How did it go?
joacef Posts: 3 Rating: (0)
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2/12/2014 9:17 AM	Rate (0)
Georgio Bronze Member Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14)	Actually I made it in different way. I read IO in one PLC and resend need data to the another PLC. I guess this is not good solution but I had to solve it quicky..
	Georgio
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2/12/2014 11:20 AM	Rate (0)
Pittiplatsch Posts: 1368 Rating: (126)	Hello Georgio, according to this FAQ http://support.automation.siemens.com/WW/view/de/44383954 the S7-1200 plc does not support the "Shared Device"-Function anyway. Greetings,
Pittiplatsch Posts: 1368 Rating: (126)
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3/1/2014 11:16 AM	Rate (0)
Georgio Bronze Member Joined: 10/28/2008 Last visit: 7/21/2023 Posts: 245 Rating: (14)	HelloPittiplatsch. OK, great, thanks for this information ! Georgio
	Georgio
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