ModbusServer (FB)

FUNCTION_BLOCK ModbusServer

InOut:

Scope	Name	Type	Initial	Comment
Input	byUnitID	BYTE		wPort: WORD:= 502; // Modbus server port - 502 is Modbus default
	comPortSettings	ComSettings		Comport Settings
	pInputData	POINTER TO WORD		Input Registers
	pOutputData	POINTER TO WORD		Holding Registers
	uiInputDataSize	UINT		Size in words of Input Register data area
	uiOutputDataSize	UINT		Size in words of Holding Register data area
	xEnable	BOOL	FALSE	Flag to enable execution - default is FALSE
	xReset	BOOL	FALSE	Flag to reset - default is FALSE
	tTimeout	UDINT	0	Modbus Write timeout, resets outputs if passed
	EOFDetectionTimeout	UDINT	0	Timeout for end of frame detection (in micro-seconds!), if not set the default of (3.5 char times is used)
Output	xError	BOOL	FALSE

• ModbusServer.IsComPortValid (PROP)