ModTcpInfo (FB)

FUNCTION_BLOCK ModTcpInfo EXTENDS AbbLCon3

Function Block serves to read Modbus TCP/IP information

InOut:

Scope	Name	Type	Initial	Comment
Input	Eth	BYTE	ETH1	Index number of the assigned Ethernet interface - input is ignored, existing for compatibility reasons only
Output	ErrorID	ERROR_ID	ERROR_ID.NO_ERROR	Code of error occured during execution NO_ERROR - Execution successfully completed ERR_NOT_CONFIGURED - Modbus TCP not configured ERR_INTERNAL_ILLEGAL_ARGUMENT - Stack reports illegal argument (internal error) ERR_UNKNOWN - Undefined error
	NumSrv	BYTE	0	Maximum number of supported Server connections (PLC as Modbus TCP Server)
	Rdy	BOOL	FALSE	OpenModbus on TCP/IP processing ready
	Stat	WORD	0	Status of OpenModbus on TCP/IP processing. Set to 0 in any case, output left for compatibility reasons only
	NumErrs	DWORD	0	Number of errors occured. Does not cover TCP/IP issues like ‘failed to connect’, Modbus errors on established connections only
	LastErr	WORD	0	Code of last error occured. Set to 0 in any case, output left for compatibility reasons only