BeckhoffAdsNetReadAsync 方法 (String, UInt16)

读取PLC的数据，地址共有三种格式，一：I,Q,M数据信息，举例M0,M100；二：内存地址，i=100000；三：标签地址，s=A
Read PLC data, there are three formats of address, one: I, Q, M data information, such as M0, M100; two: memory address, i = 100000; three: tag address, s = A

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

语法

C++

复制

public override Task<OperateResult<byte[]>> ReadAsync(
	string address,
	ushort length
)

Public Overrides Function ReadAsync ( 
	address As String,
	length As UShort
) As Task(Of OperateResult(Of Byte()))

public:
virtual Task<OperateResult<array<unsigned char>^>^>^ ReadAsync(
	String^ address, 
	unsigned short length
) override

abstract ReadAsync : 
        address : string * 
        length : uint16 -> Task<OperateResult<byte[]>> 
override ReadAsync : 
        address : string * 
        length : uint16 -> Task<OperateResult<byte[]>>

参数

address: 类型：SystemString
地址信息，地址共有三种格式，一：I,Q,M数据信息，举例M0,M100；二：内存地址，i=100000；三：标签地址，s=A
length: 类型：SystemUInt16
长度

返回值

类型：TaskOperateResultByte
包含是否成功的结果对象

实现

IReadWriteNetReadAsync(String, UInt16)

参见

引用

BeckhoffAdsNet 类

ReadAsync 重载

HslCommunication.Profinet.Beckhoff 命名空间

BeckhoffAdsNetAddLanguageSpecificTextSet("LST79FBB8F9_0?cpp=::|nu=.");ReadAsync 方法 (String, UInt16)

参数

返回值

实现

引用

BeckhoffAdsNetReadAsync 方法 (String, UInt16)