MbusMasterFunctionsreadWriteRegisters Method (Int32, Int32, Int16, Int32, Int32, Int16, Int32)

public int readWriteRegisters(
	int slaveAddr,
	int readRef,
	short[] readArr,
	int readCnt,
	int writeRef,
	short[] writeArr,
	int writeCnt
)

Public Function readWriteRegisters ( 
	slaveAddr As Integer,
	readRef As Integer,
	<OutAttribute> readArr As Short(),
	readCnt As Integer,
	writeRef As Integer,
	writeArr As Short(),
	writeCnt As Integer
) As Integer

public:
int readWriteRegisters(
	int slaveAddr, 
	int readRef, 
	[InAttribute] [OutAttribute] array<short>^ readArr, 
	int readCnt, 
	int writeRef, 
	array<short>^ writeArr, 
	int writeCnt
)

Parameters

slaveAddr

Type: SystemInt32
Modbus address of slave device or unit identifier (Range: 1 - 255)

readRef

Type: SystemInt32
Start register for reading (Range: 1 - 65536)

readArr

Type: SystemInt16
Buffer which will contain the data read.

readCnt

Type: SystemInt32
Number of registers to be read (Range: 1-125).

writeRef

Type: SystemInt32
Start register for writing (Range: 1 - 65536)

writeArr

Type: SystemInt16
Buffer with data to be sent.

writeCnt

Type: SystemInt32
Number of registers to be written (Range: 1-121).

Return Value

Reference