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Wincc Unified and modbus TCP

Created by: rfond at: 6/10/2024 9:42 AM (7 Replies)

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6/10/2024 9:42 AM	Rate (0)
rfond Advanced Member Joined: 6/8/2018 Last visit: 11/6/2024 Posts: 110 Rating: (5)	Hi everybody, I have a little problem with the MTP1000 and Modbus TCP devices. I am using TIA Portal V18 Update 3. I can connect with one Modbus device, but when I add another device (2 or 3) with a different IP address, nothing works. When I use simulation in TIA, it works fine. Is there a limitation with the MTP? Thanks for your help.

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6/18/2024 9:54 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 11/18/2024 Posts: 14181 Rating: (1774)	Hello rfond There are 16 third party connections listed in the manual for performance features. so if you add a modbus TCP connection you working one does also not work any more? do you use IPs that are in the same subnet? Bye Murof
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6/19/2024 6:39 AM	Rate (0)
rfond Advanced Member Joined: 6/8/2018 Last visit: 11/6/2024 Posts: 110 Rating: (5)	Hi Murof, Yes, I see that in the notice guide too. My HMI is at 192.168.253.1/24, and my devices are at 192.168.253.20/24, 192.168.253.21/24, etc. I can ping them. Thanks

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7/5/2024 12:14 PM	Rate (0)
rfond Advanced Member Joined: 6/8/2018 Last visit: 11/6/2024 Posts: 110 Rating: (5)	Any update ?

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7/11/2024 9:08 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 11/18/2024 Posts: 14181 Rating: (1774)	Hello rfond you can try to use the Upd4 for V18 and the Image V18.0.0.4 for the Panel perhaps it works better Bye Murof
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7/12/2024 9:50 AM	Rate (0)
rfond Advanced Member Joined: 6/8/2018 Last visit: 11/6/2024 Posts: 110 Rating: (5)	Hi, Currently with V19 update 1 in TIA Portal and panel image 19.0.1 it's works fine. And I'm going to try with V18 update 4 now. I will come back to you soon.

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7/12/2024 12:12 PM	Rate (0)
rfond Advanced Member Joined: 6/8/2018 Last visit: 11/6/2024 Posts: 110 Rating: (5)	Does not work with Tia V18 upd 4. Tia V19 upd 2 is available now, so I will test it.

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7/12/2024 1:28 PM	Rate (0)
rfond Advanced Member Joined: 6/8/2018 Last visit: 11/6/2024 Posts: 110 Rating: (5)	Works 19 upd 2

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This contribution was helpful to 1 thankful Users Murof

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