Using WLAN is also already possible and done in our "Solution Sets for Cartesian handling applications" used by our lead customers and on our fair exhibits.
There are already some how tos for this topic:
Mobile HMI panels wired or wireless OPC UA [DOCU]
Mobile HMI panels wired or wireless ModbusTCP [DOCU]
In the forum there is the topic "Wifi dongle as access point" talking about this topic.
See also success story "Heinrich Wagner Sinto Maschinenfabrik GmbH" where ctrlX CORE is connected via WLAN.
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