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  • 大小: 1.74MB
    文件類型: .rar
    金幣: 2
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    發(fā)布日期: 2023-09-14
  • 語言: C#
  • 標(biāo)簽: modbus??tcp/rtu??C#??

資源簡(jiǎn)介

ModBus-Modbus是由Modicon(現(xiàn)為施耐德電氣公司的一個(gè)品牌)在1979年發(fā)明的,是全球第一個(gè)真正用于工業(yè)現(xiàn)場(chǎng)的總線協(xié)議。ModBus網(wǎng)絡(luò)是一個(gè)工業(yè)通信系統(tǒng),由帶智能終端的可...

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代碼片段和文件信息 

namespace?Modbus
{	
	///?
	///??Defines?constants?related?to?the?Modbus?protocol.
	///?
	internal?static?class?Modbus
	{			
		//?supported?function?codes
		public?const?byte?ReadCoils?=?1;
		public?const?byte?ReadInputs?=?2;
		public?const?byte?ReadHoldingRegisters?=?3;
		public?const?byte?ReadInputRegisters?=?4;
		public?const?byte?WriteSingleCoil?=?5;
		public?const?byte?WriteSingleRegister?=?6;		
		public?const?byte?Diagnostics?=?8;
		public?const?ushort?DiagnosticsReturnQueryData?=?0;
		public?const?byte?WriteMultipleCoils?=?15;
		public?const?byte?WriteMultipleRegisters?=?16;
		public?const?byte?ReadWriteMultipleRegisters?=?23;

		public?const?int?MaximumDiscreteRequestResponseSize?=?2040;
		public?const?int?MaximumRegisterRequestResponseSize?=?127;?

		//?modbus?slave?exception?offset?that?is?added?to?the?function?code?to?flag?an?exception
		public?const?byte?ExceptionOffset?=?128;

		//?modbus?slave?exception?codes
		public?const?byte?Acknowledge?=?5;
		public?const?byte?SlaveDeviceBusy?=?6;

		//?default?setting?for?number?of?retries?for?IO?operations
		public?const?int?DefaultRetries?=?3;

		//?default?number?of?milliseconds?to?wait?after?encountering?an?ACKNOWLEGE?or?SLAVE?DEVIC?BUSY?slave?exception?response.
		public?const?int?DefaultWaitToRetryMilliseconds?=?250;

		//?default?setting?for?IO?timeouts?in?milliseconds
		public?const?int?DefaultTimeout?=?1000;

		//?smallest?supported?message?frame?size?（sans?checksum）
		public?const?int?MinimumframeSize?=?2;

		public?const?ushort?CoilOn?=?0xFF00;
		public?const?ushort?CoilOff?=?0x0000;
	
		//?IP?slaves?should?be?addressed?by?IP
		public?const?byte?DefaultIpSlaveUnitId?=?0;

		//?An?existing?connection?was?forcibly?closed?by?the?remote?host
		public?const?int?ConnectionresetByPeer?=?10054;

		//?used?by?the?ASCII?tranport?to?indicate?end?of?message
		public?const?string?NewLine?=?“\r\n“;
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????585??2015-01-26?16:33??modbusTest\.svn\all-wcprops

?????文件????????613??2015-01-26?16:33??modbusTest\.svn\entries

?????文件?????????53??2015-01-26?16:33??modbusTest\.svn\prop-base\ModBusTest.suo.svn-base

?????文件???????3645??2015-01-26?16:33??modbusTest\.svn\text-base\ModBusTest.sln.svn-base

?????文件??????33280??2015-01-26?16:33??modbusTest\.svn\text-base\ModBusTest.suo.svn-base

?????文件???????1904??2015-01-26?16:33??modbusTest\Modbus\.svn\all-wcprops

?????文件???????1588??2015-01-26?16:33??modbusTest\Modbus\.svn\entries

?????文件???????1960??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\Modbus.cs.svn-base

?????文件???????9044??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\Modbus.csproj.svn-base

?????文件????????452??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\Modbus.csproj.user.svn-base

?????文件???????3242??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\ModbusDevice.cd.svn-base

?????文件???????2079??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\ModbusTransport.cd.svn-base

?????文件???????8579??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\Resources.Designer.cs.svn-base

?????文件???????9685??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\Resources.resx.svn-base

?????文件???????5702??2015-01-26?16:33??modbusTest\Modbus\.svn\text-base\SlaveException.cs.svn-base

?????文件????????186??2015-01-26?16:33??modbusTest\Modbus\bin\.svn\all-wcprops

?????文件????????334??2015-01-26?16:33??modbusTest\Modbus\bin\.svn\entries

?????文件???????1488??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\all-wcprops

?????文件???????1218??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\entries

?????文件?????????53??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\prop-base\FTD2XX.dll.svn-base

?????文件?????????53??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\prop-base\log4net.dll.svn-base

?????文件?????????53??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\prop-base\Modbus.dll.svn-base

?????文件?????????53??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\prop-base\Modbus.pdb.svn-base

?????文件?????????53??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\prop-base\Unme.Common.dll.svn-base

?????文件?????202048??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\text-base\FTD2XX.dll.svn-base

?????文件?????270336??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\text-base\log4net.dll.svn-base

?????文件??????73216??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\text-base\Modbus.dll.svn-base

?????文件?????228864??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\text-base\Modbus.pdb.svn-base

?????文件??????65385??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\text-base\Modbus.xml.svn-base

?????文件??????19456??2015-01-26?16:33??modbusTest\Modbus\bin\Debug\.svn\text-base\Unme.Common.dll.svn-base

............此處省略518個(gè)文件信息

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