_REF_SM3 bCommunication [...] Communication OK Parameter [...] _REF_SM3 wCommunication

the communication infrastructure [...] is indicated by xError=TRUE, and a specific eError

TCPSlave (FunctionBlock) UpdateCommunication [...] TCP_Parameter (ParamList) Structs MB_Error

_REF_SM3 bCommunication [...] Communication OK Parameter [...] _REF_SM3 wCommunication

_REF_SM3 bCommunication [...] Communication OK Parameter [...] _REF_SM3 wCommunication

with the Communication Function Blocks [...] FB.ADDR_TYPE ; errorCode : [...] etc. ELSE error

_REF_SM3 bCommunication [...] Communication OK Parameter [...] _REF_SM3 wCommunication

_REF_SM3 bCommunication [...] Communication OK Parameter [...] _REF_SM3 wCommunication

ECUSTATE (Enum) ERROR [...] Address (Method) Communication

Profinet Communication-Error [...] Common.IOL_CALL ; err : ProfinetCommon.IOL_Error [...] IF ( al_read.ERROR )