FieldTalk Modbus Master Library for .NET

MbusMasterFunctionsreadMultipleMod10000 Method (Int32, Int32, Int32)

Modbus function 3 (03 hex) for 32-bit modulo-10000 long int data types, Read Holding Registers/Read Multiple Registers as modulo-10000 long int data.

Namespace: FieldTalk.Modbus.Master
Assembly: FieldTalk.Modbus.Master (in FieldTalk.Modbus.Master.dll) Version: 2.14.0-eval+fc7d3f12456d1103fd8171fc3bffe59150a224d7

Syntax

C++

Copy

public int readMultipleMod10000(
	int slaveAddr,
	int startRef,
	int[] int32Arr
)

Public Function readMultipleMod10000 ( 
	slaveAddr As Integer,
	startRef As Integer,
	<OutAttribute> int32Arr As Integer()
) As Integer

public:
int readMultipleMod10000(
	int slaveAddr, 
	int startRef, 
	[InAttribute] [OutAttribute] array<int>^ int32Arr
)

Parameters

slaveAddr: Type: SystemInt32
Modbus address of slave device or unit identifier (Range: 1 - 255)
startRef: Type: SystemInt32
Start reference (Range: 1 - 65536)
int32Arr: Type: SystemInt32
Buffer which will be filled with the data read. The length of the array determines how many values are read (Range: 1-62).

Return Value

Type: Int32
BusProtocolErrors.FTALK_SUCCESS on success or error code. See BusProtocolErrors for possible error codes.

Remarks

Reads the contents of pairs of consecutive output registers (holding registers, 4:00000 table) representing a modulo-10000 long int value into 32-bit int values and performs number format conversion.

Note
Modbus does not know about any other data type than discretes and 16-bit registers. Because a modulo-10000 value is of 32-bit length, it will be transferred as two consecutive 16-bit registers. This means that the amount of registers transferred with this function is twice the amount of int values passed to this function.

Note
No broadcast supported

Reference

MbusMasterFunctions Class

readMultipleMod10000 Overload

FieldTalk.Modbus.Master Namespace

FieldTalk Modbus Master Library for .NET
Library version 2.14.0

MbusMasterFunctionsAddLanguageSpecificTextSet("LSTAEF45B95_0?cpp=::|nu=.");readMultipleMod10000 Method (Int32, Int32, AddLanguageSpecificTextSet("LSTAEF45B95_1?cpp=array&lt;");Int32AddLanguageSpecificTextSet("LSTAEF45B95_2?cpp=&gt;|vb=()|nu=[]");)

Parameters

Return Value

Reference

MbusMasterFunctionsreadMultipleMod10000 Method (Int32, Int32, Int32)