NModbus实例_精品文档资料下载.pdf

NModbus实例_精品文档资料下载.pdf

《NModbus实例_精品文档资料下载.pdf》由会员分享，可在线阅读，更多相关《NModbus实例_精品文档资料下载.pdf（6页珍藏版）》请在冰豆网上搜索。

byteslaveID=1;

ushortstartAddress=100;

ushortregisters=newushort1,2,3;

/writethreeregistersmaster.WriteMultipleRegisters（slaveID,startAddress,registers）;

SimpleModbusserialASCIImasterreadholdingregistersexample.using（SerialPortport=newSerialPort（COM1）/configureserialportport.BaudRate=9600;

/createmodbusmasterIModbusSerialMastermaster=ModbusSerialMaster.CreateAscii（port）;

ushortstartAddress=1;

ushortnumRegisters=5;

/readfiveregistersushortregisters=master.ReadHoldingRegisters（slaveID,startAddress,numRegisters）;

for（inti=0;

inumRegisters;

i+）Console.WriteLine（Register0=1,startAddress+i,registersi）;

/output:

/Register1=0/Register2=0/Register3=0/Register4=0/Register5=0SimpleModbusserialUSBRTUmasterwritemultiplecoilsexample.using（FtdUsbPortport=newFtdUsbPort（0）/configureusbportport.BaudRate=9600;

port.Parity=FtdParity.None;

port.StopBits=FtdStopBits.One;

/writethreecoilsmaster.WriteMultipleCoils（slaveID,startAddress,newbooltrue,false,true）;

DonateNModbusisdevelopedandmaintainedonavoluntarybasisandprovidedfreeofcharge.UpcomingFeaturesWPFNModbusMasterMasterConsoleWrapperFTDIUSBSlaveHomeSamplesDownloadsDiscussionIssuesNModbushttp:

/web.archive.org/web/20090601225835/http:

/www.第1页共6页2011/07/069:

49SimpleModbusserialUSBASCIImasterwritemultiplecoilsexample.using（FtdUsbPortport=newFtdUsbPort（0）/configureusbportport.BaudRate=9600;

SimpleModbusTCPmasterreadinputsexample.using（TcpClientclient=newTcpClient（127.0.0.1,502）ModbusIpMastermaster=ModbusIpMaster.CreateTcp（client）;

/readfiveinputvaluesushortstartAddress=100;

ushortnumInputs=5;

boolinputs=master.ReadInputs（startAddress,numInputs）;

inumInputs;

i+）Console.WriteLine（Input0=1,startAddress+i,inputsi?

1:

0）;

/Input100=0/Input101=0/Input102=0/Input103=0/Input104=0SimpleModbusUDPmasterwritecoilsexample.using（UdpClientclient=newUdpClient（）IPEndPointendPoint=newIPEndPoint（newIPAddress（newbyte127,0,0,1）,502）;

client.Connect（endPoint）;

ModbusIpMastermaster=ModbusIpMaster.CreateUdp（client）;

/writethreecoilsmaster.WriteMultipleCoils（startAddress,newbooltrue,false,true）;

SimpleModbusserialRTUslaveexample.using（SerialPortslavePort=newSerialPort（COM2）/configureserialportslavePort.BaudRate=9600;

slavePort.DataBits=8;

slavePort.Parity=Parity.None;

slavePort.StopBits=StopBits.One;

slavePort.Open（）;

byteunitID=1;

/createmodbusslaveModbusSlaveslave=ModbusSerialSlave.CreateRtu（unitID,slavePort）;

slave.DataStore=DataStoreFactory.CreateDefaultDataStore（）;

slave.Listen（）;

NModbushttp:

/www.第2页共6页2011/07/069:

49SimpleModbusSerialASCIIslaveexample.using（SerialPortslavePort=newSerialPort（COM2）/configureserialportslavePort.BaudRate=9600;

/createmodbusslaveModbusSlaveslave=ModbusSerialSlave.CreateAscii（unitID,slavePort）;

SimpleModbusTCPslaveexample.byteslaveID=1;

intport=502;

IPAddressaddress=newIPAddress（newbyte127,0,0,1）;

/createandstarttheTCPslaveTcpListenerslaveTcpListener=newTcpListener（address,port）;

slaveTcpListener.Start（）;

ModbusSlaveslave=ModbusTcpSlave.CreateTcp（slaveID,slaveTcpListener）;

/preventthemainthreadfromexitingThread.Sleep（Timeout.Infinite）;

SimpleModbusUDPslaveexample.using（UdpClientclient=newUdpClient（502）ModbusUdpSlaveslave=ModbusUdpSlave.CreateUdp（client）;

/preventthemainthreadfromexiti