ModbusTcpNetReadCoil 方法 (String, UInt16)

批量的读取线圈，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 0x01
For batch reading coils, you need to specify the start address and read length. 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

C++

复制

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

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

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

member ReadCoil : 
        address : string * 
        length : uint16 -> 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：OperateResultBoolean
带有成功标志的bool数组对象

参见

引用

ModbusTcpNet 类

ReadCoil 重载

HslCommunication.ModBus 命名空间

ModbusTcpNetAddLanguageSpecificTextSet("LST4303E394_0?cpp=::|nu=.");ReadCoil 方法 (String, UInt16)

参数

返回值

引用

ModbusTcpNetReadCoil 方法 (String, UInt16)