ModuleState (BYTE):

Value	Status
0x00	Physically offline
0x01	Physically connected but no communication
0x02	Standby/Ready(PreOp)
0x03	Cyclic data exchange active(Op)

CODESYS returns “No driver found” status for the RevPi Gateway when the Gateway ModuleState is offline. The Gateway icon in the CODESYS device tree shall be in green state when the Gateway is in PreOp and Op state or physically connected.