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Profibus DP Network - two branch from PLC (is it possible?)

Created by: Donuts at: 3/27/2013 2:00 PM (4 Replies)

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3/27/2013 2:00 PM	Rate (0)
Donuts Member Joined: 10/21/2011 Last visit: 7/29/2019 Posts: 18 Rating: (0)	I have a question in regards to setting up a profibus DP network. I'm setting up a PCS7 system and the physical layout is such that I would like to branch out in two different directions from my PLC. Can I branch my network out in such a way or does profibus require that I have all my slaves in series?

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3/27/2013 3:08 PM	Rate (0)
manmeet Gold Member Joined: 1/3/2006 Last visit: 11/6/2019 Posts: 725 Rating: (63)	HI Master (PLC) can be any where in the profibus network. So PLC can be in the middle PLC-SLAVE1-SLAVE2-SLAVE3......... SLAVE1-SLAVE2-PLC-SLAVE3-SLAVE4...... Both are valid and good to go. Regards Manmeet

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3/27/2013 3:09 PM	Rate (1)
dchartier Diamond Member Joined: 9/27/2006 Last visit: 12/14/2019 Posts: 8845 Rating: (1837)	Hello Donuts; Do you mean something like the attached drawing (sorry for the very basic sketch)? If this is the case, then all that is required is that the termination circuit (included is standard Profibus connectors) be activated on the first andlast nodes of the bus. If this does not reply to your query, please clarify. Hope this helps, Daniel Chartier Attachment Typical Profibus desig- master in middle.jpg (135 Downloads)
	Last edited by: O_Moderator at: 4/2/2013 9:18 AM
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3/27/2013 3:21 PM	Rate (0)
Donuts Member Joined: 10/21/2011 Last visit: 7/29/2019 Posts: 18 Rating: (0)	Thanks, that's what I needed to know!

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3/24/2014 1:59 PM	Rate (0)
GrasserF Silver Member Joined: 11/19/2013 Last visit: 6/23/2014 Posts: 348 Rating: (5)	new question is splittet to i can not make two or three.. of Profibus network on the same plc. new question is splittet toThe connector which comes to master must be anything special
	Last edited by: GrasserF at: 3/24/2014 2:04 PM Last edited by: GrasserF at: 3/24/2014 2:03 PM Best regards / viele Grüße GrasserF
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