ClientRequestWriteMultipleRegistersWide (FB)¶

FUNCTION_BLOCK ClientRequestWriteMultipleRegistersWide EXTENDS ModbusFB.ClientRequestWriteMultiple

WriteMultipleRegisters client request (FC16) for registers > 16bit.

For details about client request see |ClientRequest|. For details about “wide registers” and endianess see ServerTCP_extended or ServerSerial_extended.

Please visit https://forge.codesys.com/prj/codesys-example/modbus/home to find examples.

InOut:

Scope	Name	Type	Initial	Comment	Inherited from
Input	xExecute	BOOL		Rising edge: Starts defined operation FALSE: Resets the defined operation after ready condition was reached	ETrigTo
	udiTimeOut	UDINT		Max. operating time for executing [µs], 0: No operating time limit	ETrigTo
Output	xDone	BOOL		Ready condition reached	ETrigTo
	xBusy	BOOL		Operation is running	ETrigTo
	xError	BOOL		Error condition reached	ETrigTo
Inout	rClient	Client		Reference to |Client|.	ClientRequest
Input	uiUnitId	UINT	0	Unit-Id to send the request to.	ClientRequest
	udiReplyTimeout	UDINT	(50 * 1000)	50 ms	ClientRequest
	uiMaxRetries	UINT	0	Maximum number of request retries in case of “reply timeout”.	ClientRequest
Output	eErrorID	Error		Error status	ClientRequest
	eException	ExceptionCodes		Request exception code.	ClientRequest
	uiRetryCnt	UINT	0	Number of request retries in case of “reply timeout”.	ClientRequest
Input	uiStartItem	UINT	0	First “data item” to write.	ClientRequestWriteMultiple
	uiQuantity	UINT	1	Number of “data items” to write.	ClientRequestWriteMultiple
	pData	POINTER TO UINT	0	Pointer to data.
	uiDataItemSize	UINT		“data item” size / register width (in bytes).