SimpleWriteValueFloat

SimpleWriteValueFloat (FB)

FUNCTION_BLOCK SimpleWriteValueFloat

Use of type conversion operators (e.g. INT_TO_REAL) directly at the input ‘InputValue’

In this constellation, compiler error messages of type C0032 are generated; a download is not possible. Workaround: Use an intermediate variable of explicit type REAL directly at the output of the type conversion operator. Connect the intermediate variable to the input ‘InputValue’.

CODESYS

InOut:

Scope	Name	Type	Initial	Comment
Input	xEn	BOOL	TRUE	Enable / disable communication ( TRUE = enabled )
Input	byUnitId	BYTE	0	Address of the device
Input	InputValue	__SYSTEM.AnyType		Input variable ( FC16 ) ( REAL, LREAL )
Input	rMultiplier	REAL	1.0	Multiplier for the input variable
Input	xUpdateSetp	BOOL	FALSE	Update of setpoint values (on every rising edge )
Input	xResError	BOOL	FALSE	Reinitialization of the outputs ‘eErrorCodeCom’ and ‘eErrorCodeDev’ to the error-free state (on every rising edge)
Inout	ModbusClient	ModbusClientBase		Client of the device
Output	wRegisterAddrFb	WORD		Feedback - start address of the register for the Modbus telegram
Output	eFormatFb	SIMPLE_WRITE_FORMAT_CODE		Feedback - format of the floating point number
Output	eTypeInputValue	SIMPLE_WRITE_VALUE_TYPE_CODE	SIMPLE_WRITE_VALUE_TYPE_CODE.STATE_INVALID	Sign state of the value at the input ‘InputValue’
Output	xAlarm	BOOL		General fault ( TRUE = fault )
Output	xAlarmCom	BOOL		General fault - communication ( TRUE = fault )
Output	eErrorCodeCom	ModbusErrorCode		Error code - communication ( 0 = no error )
Output	eErrorCodeDev	SIMPLE_WRITE_VALUE_ERROR_CODE		Error code - device (0 = no error)
Output	xBusy	BOOL		Communication indicator ( TRUE = communication )
Input Const	lrDevMinus_64Bit	LREAL	0.0	Maximum negative value change before triggering a transmission (64 bit)
Input Const	lrDevPlus_64Bit	LREAL	0.0	Maximum positive value change before triggering a transmission (64 bit)
Input Const	rDevMinus_32Bit	REAL	0.0	Maximum negative value change before triggering a transmission (32 bit)
Input Const	rDevPlus_32Bit	REAL	0.0	Maximum positive value change before triggering a transmission (32 bit)
Input Const	xSwapValue	BOOL	TRUE	Enable/disable swapping of the byte positions of a register (16 bit) (only relevant for 32/64 bit)
Input Const	xBigEndian	BOOL	TRUE	Position of the most significant 8 bits in a datum (only relevant for 32/64 bit)
Input Const	eFormat	SIMPLE_WRITE_FORMAT_CODE	SIMPLE_WRITE_FORMAT_CODE.IEEE754_32BIT	FALSE = most significant 8 bits are sent last // TRUE = most significant 8 bits are sent first Format of the floating point number
Input Const	wRegisterAddr	WORD		Start address of the register for the Modbus telegram
Input Const	tTimeUpdateSetp	TIME	TIME#0ms	Update interval for operations influenced by the input 'xUpdateSetp'