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Screen cache in WinCC RT Client

Created by: JuanGFM at: 4/25/2023 11:44 AM (4 Replies)

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4/25/2023 11:44 AM	Rate (0)
JuanGFM Posts: 3 Rating: (0)	Hi, I'm working on a multiclient installation built on WinCC Runtime Professional v17: -2 Clients -1 Server Our issue is that when you try to change screen in any of the clients, the transition is painfully slow. When the new screen is finally opened, every tag, button or popup window inside the screen works fine and quickly. We only have this behaviour in the two clients, while the server changes screens quickly enough. I did some previous research and check several faqs available in the support, finding some interesting option available in WinCC clasic related to store screen images on PDLCache folder: https://support.industry.siemens.com/cs/cr/en/view/492902 Do you know if there is any similar option for WinCC Professional? I think if we could have screen stored in the client cache we could prevent our issue. Pd: Previously, we had an installation with the same distribution but working on WinCC Runtime Professional v13, and this issue didnot happen.
JuanGFM Posts: 3 Rating: (0)	Last edited by: Jen_Moderator at: 04/26/2023 07:05:16 Link optimized.
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4/25/2023 1:49 PM	Rate (0)
Hazard_7 Bronze Member Joined: 5/30/2022 Last visit: 1/7/2026 Posts: 634 Rating: (103)	Hi JuanGFM, First of all I recommend you to install the latest update, both in the engineering software and in the runtime, I attach the download links: Updates para STEP 7 V17, S7-PLCSIM V17 y WinCC V17 Updates para WinCC Runtime Professional V17 Additionally: 1- Do you have a terminal bus with your own network card? It is not recommended to share a card with the plant bus. 2- Which version of Windows are you using?
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4/28/2023 11:22 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/15/2026 Posts: 16638 Rating: (1944)	Hello JuanGFM you should check if all your stations are set up correctly using this FAQ: https://support.industry.siemens.com/cs/de/en/view/108464289 I Think in WinCC Prof the PDL Cache should also work (I never tried...): https://support.industry.siemens.com/cs/de/en/view/982658 In WinCC Prof you only have uniclients, so this FAQ should be right. I would give it a try Bye Murof
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5/3/2023 9:26 AM	Rate (0)
JuanGFM Posts: 3 Rating: (0)	Hi! Thank you both Hazard_7 and Murof for your suggestions. I have checked that all relevant settings from FAQ 108464289 are OK, so now I'm testing the PDL cache in RT Professional following FAQ 982658, I will let you know if it works. About the other questions: 1- Do you have a terminal bus with your own network card? It is not recommended to share a card with the plant bus. Plant and terminal bus are shared on the same network card. I will ask to separate them but not sure if that will be possible due to current on-site layout. 2- Which version of Windows are you using? Windows 11 Pro 21H2 3- Are latest updates installed? Yes, I have latest Update 5 installed both in server and in clients. Best regards,
JuanGFM Posts: 3 Rating: (0)
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5/5/2023 10:41 AM	Rate (0)
Murof Platinum Expert Joined: 8/3/2009 Last visit: 1/15/2026 Posts: 16638 Rating: (1944)	Hello JuanGFM you could also try to isolate your network by using only a switch without any other network between Server and client. If here it runs properly fast that the network would be a possible reason bye Murof
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