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WinCC Changes IP Address

Created by: MASIH at: 7/13/2009 10:53 AM (11 Replies)

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12 Entries

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7/13/2009 10:53 AM	Rate (1)
MASIH Posts: 11 Rating: (1)	Hi, Guyes Problem is :Afterrunning tome of my wincc project , my computer ip address has changed,for example before runtime ip address is 192.168.100.216 and after that 0.255.255.240. Can anyone help me? Ragard
MASIH Posts: 11 Rating: (1)
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7/13/2009 11:32 AM	Rate (0)
rit03 Silver Member Joined: 6/13/2006 Last visit: 2/11/2023 Posts: 341 Rating: (24)	WinCC Runtimedoes not interfere withIP Address of stationunless done deliberatly using script or external application. Are you sure the IP changed beacuse of WinCC Runtime? Please check is there any script which runs or any other external application doing that. regards, rit03

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7/13/2009 12:32 PM	Rate (0)
MASIH Posts: 11 Rating: (1)	Thanks, I created the new projectand ip address did not change, but when i add "s7 protocol suite" and add new connection (plc) ip address changed again,. I am sure WinCC changes IP Address But... I am confusing what is relation? regards MASIH
MASIH Posts: 11 Rating: (1)	Last edited by: MASIH at: 7/13/2009 1:19 PM Last edited by: MASIH at: 7/13/2009 12:33 PM
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7/13/2009 4:56 PM	Rate (0)
Khaled_Ezzat Silver Member Joined: 9/7/2007 Last visit: 4/3/2025 Posts: 550 Rating: (62)	MASIH Thanks, I created the new projectand ip address did not change, but when i add "s7 protocol suite" and add new connection (plc) ip address changed again,. I am sure WinCC changes IP Address But... I am confusing what is relation? regards MASIH Hi MASIH Do you have a redundancy in the communication or CPUs? May be there is a script that make this or you change the IP address in the H/W config. and download it. What I am sure of is that WinCC can not change the IP address automatically
	Best Regards
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7/13/2009 9:00 PM	Rate (0)
Krish Silver Member Joined: 5/24/2007 Last visit: 4/24/2024 Posts: 284 Rating: (27)	Hi MASIH Really an interesting problem. By the way, how did you check the ip addresses? Check the ip addresses for all the networks you have in that computer. Krish

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7/14/2009 12:59 PM	Rate (0)
MASIH Posts: 11 Rating: (1)	Hi, krish there are many way to check ip address, for example 1-simply click on network connection on notification bar,support tab,Detail. 2-In Command line of windows (DOS) can write "ipconfig". 3-In Event List of Windows also register the Event of IP change. In this network there are 8 WinCC station, 15 CPU 412-2 DP and Fiber Optic Network . WinCC used MAC Address for Connection to Step7 so connection isremained establish,when ip address of eachstation is changed. I am trying create and run new project and check it step by step by expanding the project. regards. MASIH
MASIH Posts: 11 Rating: (1)
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3/28/2010 2:38 PM	Rate (0)
EULER1313 Posts: 86 Rating: (1)	Hi All, i also face the same problem.... my WinCC is V6.0 SP4+ Hotfix2 ..Machine IP is stable and every thing is ok until WinCC goes on RunTime then the Machine IP is changed and all TCP/IP connections go down.. the old IP is 192.168.91.132 with SubNet Mask 255.255.255.0 They are changed to IP: 10.255.255.241 Subnet Mask: 255.0.0.0 It`s very Strange... Any suggested solutions?
EULER1313 Posts: 86 Rating: (1)	Last edited by: EULER1313 at: 3/28/2010 2:46 PM
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This contribution was helpful to 1 thankful Users bram_hnk

3/31/2010 10:42 AM	Rate (5)
SCADA-Engineer Posts: 67 Rating: (15)	GoTo the start-menu -> Simatic -> Simatic NET -> Set PC-PG Interface This is the networkcard that winCC is uses to connect to the PLC. Set it from S7 online pointing to the local network card eg in the dropdown: "S7ONLINE (Step 7) --> TCP / IP -> Broadcom NetXtreme Gigabit" Don not choose for the same option with "Auto" on the end. This creates the new network card wich changes you IPaddress in WinCC in WinCC: Open the server project Give a right mouseclick on "TCP/IP" option in the tagmanagement. in the popup choose the "unit"- tab Choose for the logical device name "S7ONLINE" Now your WinCC project is independent on which machine you will put it... You ony have to configere the PC-PG interface on other machines... Hope it helped you...
SCADA-Engineer Posts: 67 Rating: (15)
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This contribution was helpful to 10 thankful Users Palestine Giovanni-moguez cajac winet LuWiack Prayag AutoGen_4601366 mbx12324 AutoGen_3541318 c_khouri

4/19/2012 11:28 AM	Rate (0)
Bhairava Experienced Member Joined: 6/2/2010 Last visit: 7/26/2023 Posts: 29 Rating: (2)	This answer was usefull for me. Thanks a lot.

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10/12/2021 3:51 PM	Rate (0)
JensDigiFlow Regular Member Joined: 2/2/2021 Last visit: 9/5/2023 Posts: 2 Rating: (0)	Thank you!!

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9/16/2022 8:59 AM	Rate (0)
AutoGen_3541318 Member Joined: 12/8/2019 Last visit: 12/30/2024 Posts: 8 Rating: (0)	Effective solution! Thanks a lot.

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7/24/2025 3:13 PM	Rate (0)
ricao2805 Member Joined: 4/14/2022 Last visit: 7/24/2025 Posts: 1 Rating: (0)	Once doing like this, isn’t there a chance to get any error with devices on network?

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