MelsecFxLinksHelperReadAsync 方法

批量读取PLC的数据，以字为单位，支持读取X,Y,M,S,D,T,C，具体的地址范围需要根据PLC型号来确认，地址支持动态指定站号，例如：s=2;D100
Read PLC data in batches, in units of words, supports reading X, Y, M, S, D, T, C. The specific address range needs to be confirmed according to the PLC model, The address supports dynamically specifying the station number, for example: s=2;D100

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

语法

C++

复制

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

Public Shared Function ReadAsync ( 
	plc As IReadWriteFxLinks,
	address As String,
	length As UShort
) As Task(Of OperateResult(Of Byte()))

public:
static Task<OperateResult<array<unsigned char>^>^>^ ReadAsync(
	IReadWriteFxLinks^ plc, 
	String^ address, 
	unsigned short length
)

static member ReadAsync : 
        plc : IReadWriteFxLinks * 
        address : string * 
        length : uint16 -> Task<OperateResult<byte[]>>

参数

plc: 类型：HslCommunication.Profinet.Melsec.HelperIReadWriteFxLinks
PLC通信对象
address: 类型：SystemString
地址信息
length: 类型：SystemUInt16
数据长度

返回值

类型：TaskOperateResultByte
读取结果信息

参见

引用

MelsecFxLinksHelper 类

HslCommunication.Profinet.Melsec.Helper 命名空间

MelsecFxLinksHelperAddLanguageSpecificTextSet("LSTD60CC045_0?cpp=::|nu=.");ReadAsync 方法

参数

返回值

引用

MelsecFxLinksHelperReadAsync 方法