WebIQ v2.19.0 (and earlier)
The connection is established when the WebIQ project starts
The heartbeat variable is incremented by the PLC,
In the video you can see the variable changing
Action (OK) virtual:bPlcConnected = 1 (TRUE)
Action (Failure) virtual:bPlcConnected = 0 (FALSE)
The graphic "connected" is displayed correctly,
but virtual:bPlcConnected is FALSE
Example project