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first of all i would like thank you , it worked !!
,, but i have another question
the , If i bring (((more than one logo-cmr 2020)))),, my station (laptop for example can accept up to how many VPN connections )
could i access all of the at the same time to monitor their values for rxample on wincc advance ??
my question is how many vpn connection at the same could i open ??
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vpn connection between cmr 2020 and logosoft (pc)
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You're welcome! Regarding your question about concurrent VPN connections to multiple LOGO! CMR 2020 devices:
The number of simultaneous VPN connections your station (e.g., laptop) can handle depends on several factors, including your operating system, hardware resources (CPU, RAM), and the VPN client software used. However, the LOGO! CMR 2020 itself typically supports a limited number of concurrent VPN connections – generally around 5-10.
While your laptop might technically be able to initiate more VPN connections than the LOGO! CMR 2020 can accept, you will likely encounter issues accessing all devices simultaneously via WinCC (OA) if you exceed the CMR's limit. Performance will degrade and connections may become unstable.
Recommendation: Start with a smaller number of connections and gradually increase to identify the optimal number for your setup. Monitor CPU usage on both your laptop and the LOGO! CMR 2020 during testing.
For detailed information regarding LOGO! CMR 2020 specifications and limitations, please refer to the official Siemens documentation on SiePortal:
LOGO! CMR 2020 DocumentationClose Player
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