.NET：Modbus-RTU Master Simple Read and Write Operation
using System;
using EasyModbus;
namespace ModbusRS485Master
{
class Program
{
public static void Main(string[] args)
{
ModbusClient modbusClient = new ModbusClient("COM1");
//modbusClient.UnitIdentifier = 1; Not necessary since default slaveID = 1;
//modbusClient.Baudrate = 9600; // Not necessary since default baudrate = 9600
//modbusClient.Parity = System.IO.Ports.Parity.None;
//modbusClient.StopBits = System.IO.Ports.StopBits.Two;
//modbusClient.ConnectionTimeout = 500;
modbusClient.Connect();
Console.WriteLine("Value of Discr. Input #1: "+modbusClient.ReadDiscreteInputs(0,1)[0].ToString()); //Reads Discrete Input #1
Console.WriteLine("Value of Input Reg. #10: "+modbusClient.ReadInputRegisters(9,1)[0].ToString()); //Reads Inp. Reg. #10
modbusClient.WriteSingleCoil(4,true); //Writes Coil #5
modbusClient.WriteSingleRegister(19,4711); //Writes Holding Reg. #20
Console.WriteLine("Value of Coil #5: "+modbusClient.ReadCoils(4,1)[0].ToString()); //Reads Discrete Input #1
Console.WriteLine("Value of Holding Reg.. #20: "+modbusClient.ReadHoldingRegisters(19,1)[0].ToString()); //Reads Inp. Reg. #10
modbusClient.WriteMultipleRegisters(49, new int[10] {1,2,3,4,5,6,7,8,9,10});
modbusClient.WriteMultipleCoils(29, new bool[10] {true,true,true,true,true,true,true,true,true,true,});
Console.Write("Press any key to continue . . . ");
Console.ReadKey(true);
}
}
}NET：Modbus-TCP クライアント側は简单读書き込み操作。
namespace ModbusClientApplication
{
class Program
{
public static void Main(string[] args)
{
ModbusClient modbusClient = new ModbusClient("190.201.100.100", 502); //Ip-Address and Port of Modbus-TCP-Server
modbusClient.Connect(); //Connect to Server
modbusClient.WriteMultipleCoils(4, new bool[] {true, true, true, true, true, true, true, true, true, true}); //Write Coils starting with Address 5
bool[] readCoils = modbusClient.ReadCoils(9,10); //Read 10 Coils from Server, starting with address 10
int[] readHoldingRegisters = modbusClient.ReadHoldingRegisters(0,10); //Read 10 Holding Registers from Server, starting with Address 1
// Console Output
for (int i = 0; i < readCoils.Length; i++)
Console.WriteLine("Value of Coil " + (9 + i + 1) + " " + readCoils[i].ToString());
for (int i = 0; i < readHoldingRegisters.Length; i++)
Console.WriteLine("Value of HoldingRegister " + (i + 1) + " "+ readHoldingRegisters[i].ToString());
modbusClient.Disconnect(); //Disconnect from Server
Console.Write("Press any key to continue . . . ");
Console.ReadKey(true);
}
}
}从模组サーバー·サーバー読み取り值并将值发布到 MQTT 代理
class Program
{
static void Main(string[] args)
{
EasyModbus.ModbusClient modbusClient = new EasyModbus.ModbusClient(
Conne ction Time out 를 5 초 로 늘 리 십시오 .
mod bus C li ent . Conne ction Time out = 5000 ;
우리는 로 그 파일을 만듭니다 .또한 이벤트 로 깅 을 활성화 합니다 .
modbusClient.LogFileFilename =
M Q TT - Br oker 에 보낸 메시 지는 Br oker 에 보존 됩니다 .가입 후 , 클 라이언 트는 자동 으로
마지막으로 저장 된 메시지를 수신 합니다 . Rece ive the last reta ined message . By default the Retain-Flag is FALSE -
mod bus C li ent . M q tt R eta in M ess ages = true ;
Mod bus TCP 서버 에 연결 하기
mod bus C li ent . Connect () ;
while (tr ue)
{
서버 에서 두 개의 레 지 스트 리를 읽고 M Q TT - Br oker 에 게시 합니다 .기본적으로 값 이 게시 됩니다 . By default V alu es are published
기본적으로 우리는 ' e as ym od bus cli ent /' 과 주 소를 게시 합니다 . e . g . ' ' e as ym od bus cli ent / holding reg ister 1 ' '
// The propery 기본적으로 the
M Q TT - 브 로 커 포 트는 188 3 입니다 .
int[] holdingRegister = modbusClient.ReadHoldingRegisters(60, 2,
System . Th re ading . Thread . Sleep (1 000)
}
mod bus C li ent . Dis conne ct () ;
Con sole . Read K ey () ;
}
}모듈 서버 에서 값을 자동 으로 폴 링 하고 M Q TT 에이 전 트에 게시 - 주제 변경
st atic vo id Main ( string [ ] arg s)
{
Easy Mod bus . Easy Mod bus 2 M q tt easy Mod bus 2 M q tt = new Easy Mod bus . Easy Mod bus 2 M q tt ();
//easyModbus2Mqtt.AutomaticReconnect
easyModbus2Mqtt.MqttUserName =
easyModbus2Mqtt.MqttPassword =
easy Mod bus 2 M q tt . M q tt B rok er Port = 1897 2;
//easyModbus2Mqtt.MqttBrokerAddress
//easyModbus2Mqtt.MqttBrokerAddress
easyModbus2Mqtt.MqttBrokerAddress =
easyModbus2Mqtt.ModbusIPAddress =
easyModbus2Mqtt.AddReadOrder(EasyModbus.FunctionCode.ReadCoils, 2, 0, 200, new string[] {
easy Mod bus 2 M q tt . Add Read Or der (E asy Mod bus . Fun ction C ode . Read In put Reg ister s , 2, 0, 200);
Easy Mod bus . Read Or der read Or der = new Easy Mod bus . Read Or der () ;
[ 중 고 ] [ 중 고 ] [ 중 고 ] [ 중 고 ] [ 중 고 ] [ 중 고 ] [ 중 고 ] [ 중 고 ] [ 중 고 ]
readOrder.Unit = new string[10] {
read Or der . S cale = new flo at [10] { 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f , 0. 1 f } ;
read Or der . Quant ity = 10
read Or der . Start ing Add ress = 10;
read Or der . Fun ction C ode = Easy Mod bus . Fun ction C ode . Read H old ing Reg ister s ;
easy Mod bus 2 M q tt . Add Read Or der (read Or der);
easy Mod bus 2 M q tt . start () ;
}Mod bus - TCP 서버 , 변경 된 값을 M Q TT - Br oker 에 게시 합니다 .
클래 스 프로그램
{
st atic vo id Main ( string [ ] arg s)
{
프로그램 application = new Program ();
application.startServer ();
}
public vo id start Ser ver ()
{
Easy Mod bus . Mod bus Ser ver mod bus Ser ver = new Easy Mod bus . Mod bus Ser ver ();
modbusServer.MqttRootTopic =
modbusServer.MqttBrokerAddress =
mod bus Ser ver . Listen () ;
mod bus Ser ver . holding Reg ister s C hang ed + = new Easy Mod bus . Mod bus Ser ver . Hold ing Reg ister s C hang ed (hold ing Reg ister s C hang ed);
Con sole . Read K ey () ;
mod bus Ser ver . Stop L isten ing () ;
}
public vo id holding Reg ister s C hang ed (int beginning Add ress , int quant ity)
{
Con sole . Write L ine (start ing Add ress);
Con sole . Write L ine (quant ity);
}
}
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