Hello,

in PG/PC interface, with S7Online selected you need set also your used Ethernet Card TCP.X (not Auto) Interface.

Update: hope you have your PC connected with PLC physically...

Hello,

attach zip file with screenshots from WinCC cfg (connections, ...).

Update: say to us pls your PLC IP, your PC IP (also this IP you need set on your HMI now for correct simulation, also with compile new settings). Don't forget also set to PC Network setting this IP because then this will not work.