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WinCC Unified Runtime only connect with 2 PL

Created by: MAMR_Deuser at: 6/25/2024 3:03 PM (3 Replies)

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6/25/2024 3:03 PM	Rate (0)
MAMR_Deuser Member Joined: 2/10/2022 Last visit: 9/12/2024 Posts: 6 Rating: (0)	Hi, We join two projects on one, and create a SCADA with 4 PLC connections. If we activate 2 PLC connections on project, SCADA communicate without problem. If we activate 3 or more PLC connections, no one's communication work. Any combination of two PLC works, but more don't work. ¿Any idea? We are using WinCC Unified Runtime V19. 64000 tags license.

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6/25/2024 3:11 PM	Rate (0)
Stefan Arcularius Platinum Expert Joined: 1/21/2013 Last visit: 10/13/2024 Posts: 3176 Rating: (491)	Hi MAMR_Deuser, Could you please tell us more about the system, especially the PLCs? What type of PLCs are you using? In general, WinCC Unified PC Runtime should be able to handle up to 128 connections to S7 PLCs and 50 connections to third-party PLCs when connected via Ethernet. Kind regards Stefan

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6/25/2024 3:13 PM	Rate (0)
MAMR_Deuser Member Joined: 2/10/2022 Last visit: 9/12/2024 Posts: 6 Rating: (0)	4 PLC S7 1515F-2 PN

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6/25/2024 3:18 PM	Rate (0)
MAMR_Deuser Member Joined: 2/10/2022 Last visit: 9/12/2024 Posts: 6 Rating: (0)	Solved! Only change PG-PC Interface (32 bits) from TCP/IP Auto to TCP/IP.

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This contribution was helpful to 1 thankful Users Stefan Arcularius

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