ModbusTcpNetReadDiscreteAsync 方法 (String, UInt16)

批量的读取输入点，需要指定起始地址，读取长度，如果富文本地址不指定，默认使用的功能码是 0x02
To read input points in batches, you need to specify the start address and read length. If the rich text address is not specified, the default function code is 0x02

命名空间： HslCommunication.ModBus
程序集： HslCommunication (在 HslCommunication.dll 中) 版本：12.1.2.0 (12.1.2.0)

语法

C++

复制

public Task<OperateResult<bool[]>> ReadDiscreteAsync(
	string address,
	ushort length
)

Public Function ReadDiscreteAsync ( 
	address As String,
	length As UShort
) As Task(Of OperateResult(Of Boolean()))

public:
Task<OperateResult<array<bool>^>^>^ ReadDiscreteAsync(
	String^ address, 
	unsigned short length
)

member ReadDiscreteAsync : 
        address : string * 
        length : uint16 -> Task<OperateResult<bool[]>>

参数

address: 类型：SystemString
起始地址，格式为"1234"
length: 类型：SystemUInt16
读取长度

返回值

类型：TaskOperateResultBoolean
带有成功标志的bool数组对象

参见

引用

ModbusTcpNet 类

ReadDiscreteAsync 重载

HslCommunication.ModBus 命名空间

ModbusTcpNetAddLanguageSpecificTextSet("LSTFBB2C47E_0?cpp=::|nu=.");ReadDiscreteAsync 方法 (String, UInt16)

参数

返回值

引用

ModbusTcpNetReadDiscreteAsync 方法 (String, UInt16)