MelsecA3CNetHelperReadAsync 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
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 public static Task<OperateResult<byte[]>> ReadAsync(
IReadWriteA3C plc,
string address,
ushort length
)
Public Shared Function ReadAsync (
plc As IReadWriteA3C,
address As String,
length As UShort
) As Task(Of OperateResult(Of Byte()))
public:
static Task<OperateResult<array<unsigned char>^>^>^ ReadAsync(
IReadWriteA3C^ plc,
String^ address,
unsigned short length
)
static member ReadAsync :
plc : IReadWriteA3C *
address : string *
length : uint16 -> Task<OperateResult<byte[]>>
参数
- plc
- 类型:HslCommunication.Profinet.Melsec.HelperIReadWriteA3C
PLC设备通信对象 - 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