ModbusRtuReadCoilAsync 方法 (String) |
读取线圈,需要指定起始地址,如果富文本地址不指定,默认使用的功能码是 0x01
To read the coil, you need to specify the start address. If the rich text address is not specified, the default function code is 0x01.
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 public Task<OperateResult<bool>> ReadCoilAsync(
string address
)
Public Function ReadCoilAsync (
address As String
) As Task(Of OperateResult(Of Boolean))
public:
Task<OperateResult<bool>^>^ ReadCoilAsync(
String^ address
)
member ReadCoilAsync :
address : string -> Task<OperateResult<bool>>
参数
- address
- 类型:SystemString
起始地址,格式为"1234"
返回值
类型:
TaskOperateResultBoolean带有成功标志的bool对象
参见