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How to make S7-connection between TIA and V5.5 PLC’s

Created by: Dolf at: 11/28/2012 7:52 AM (6 Replies)

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11/28/2012 7:52 AM	Rate (0)
Dolf Experienced Member Joined: 12/18/2006 Last visit: 4/23/2025 Posts: 21 Rating: (2)	Hi all, We make a new machine with a CPU 317F-2 PN/DP. The customer has a plant with an existing main S7 PLC and existing machines with S7 PLC’s. The new CPU is programmed is TIA Portal, but the existing PLC’s in S7 V5.5. The main PLC need to exchange data to/from the new PLC by PUT/GET. How to set up the connection, still by a S7-connection? How to do this? I know how make a S7-connection between PLC’s in S7 V5.5 . Dolf.

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11/28/2012 3:53 PM	Rate (0)
0_Einstein Diamond Member Joined: 7/7/2010 Last visit: 4/25/2025 Posts: 15822 Rating: (2497)	Dolf Hi all, We make a new machine with a CPU 317F-2 PN/DP. The customer has a plant with an existing main S7 PLC and existing machines with S7 PLC’s. The new CPU is programmed is TIA Portal, but the existing PLC’s in S7 V5.5. The main PLC need to exchange data to/from the new PLC by PUT/GET. How to set up the connection, still by a S7-connection? How to do this? I know how make a S7-connection between PLC’s in S7 V5.5 . Dolf. Be sure and set up your PLC S7 subnet according to your existing plan S7 subnet. There are other settings to review or adjust if you are using profibus that may improve response times.
	science guy
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11/28/2012 4:08 PM	Rate (0)
Dolf Experienced Member Joined: 12/18/2006 Last visit: 4/23/2025 Posts: 21 Rating: (2)	huggy_d1 Be sure and set up your PLC S7 subnet according to your existing plan S7 subnet. There are other settings to review or adjust if you are using profibus that may improve response times. Communication to the existing subet will be done by profinet. The main PLC is taking care of the PUT/GET, do I need need put the new TIA PLC into the existing subnet? Make a "dummy" hadrware in the existing subnet to set up S7-connection? Dolf.

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11/28/2012 5:00 PM	Rate (0)
0_Einstein Diamond Member Joined: 7/7/2010 Last visit: 4/25/2025 Posts: 15822 Rating: (2497)	Dolf huggy_d1 Be sure and set up your PLC S7 subnet according to your existing plan S7 subnet. There are other settings to review or adjust if you are using profibus that may improve response times. Communication to the existing subet will be done by profinet. The main PLC is taking care of the PUT/GET, do I need need put the new TIA PLC into the existing subnet? Make a "dummy" hadrware in the existing subnet to set up S7-connection? Dolf. The profinet configuration on the s7-1200 plc in your project needs to be on the same profinet subnet as your existing s7-300/400 devices so they can communicate. Look at the put/get documentation for the s7-1200. I have not had to integrate into an existing subnet, but your suggestion sounds reasonable if you can set up the dummy hardware to mimic your existing controller(s) and set up the connection details that way with any required manual adjustments. If you get frustrated, just email Support Requestand see if they can send you a white paper or sample s7-1200 project and ask if they are creating a FAQ that would solve your kind of problem.
	science guy
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This contribution was helpful to 1 thankful Users Dolf

11/29/2012 12:15 AM	Rate (1)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 4/26/2025 Posts: 3047 Rating: (1061)	Hello Dolf you only touch one PLC and use an "unspecified connection" which in your caseis a unilaterally configured one(it is only configured in one PLC, the partner PLC acts as a Server and does NOT have a connection configured for this link). Thereafter youprogrameGET/PUT in the PLC where you set up the connection. The one and only thing you need to do in the partner PLC is to make sure it has theDB's in it that you want to "get" from and "put" into. Have a look at How do you configure a specified and an unspecified S7 connection for data exchange between S7-300 and/or S7-400 as well as What differences are there when configuring S7 connections? for all the details on this. I hope this helps
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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This contribution was helpful to 1 thankful Users Dolf

6/29/2016 2:22 PM	Rate (0)
Min_Moderator Platinum Member Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4766 Rating: (122)	New question published by VoidMain(BR) is split to a separate thread with the subject Communication between a CP S7-400H and a port ethernet of S7-315, without CP?. Best regards Min_Moderator

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6/29/2016 2:40 PM	Rate (0)
VoidMain(BR) Regular Member Joined: 1/28/2010 Last visit: 6/27/2024 Posts: 35 Rating: (0)	Ok, Thanks.

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