ModbusSerialDeviceDiag (FB)

FUNCTION_BLOCK ModbusSerialDeviceDiag EXTENDS CAADiagDeviceDefault

An instance of this function block function block is generated for each serial Modbus Server device in the device tree.

InOut:

Scope	Name	Type	Initial	Comment
Input	xEnable	BOOL	TRUE	TRUE : start operation, open Com-Port
Output	xOnline	BOOL		Com Port opened, receives data
	xBusy	BOOL		operating
	xInternalError	BOOL	FALSE	ComPort errors or licence not ok
	ErrorCode	UDINT		error code

• ModbusSerialDeviceDiag.UpdateComPortSettings (METH)
• ModbusSerialDeviceDiag.UpdateUnitID (METH)