Package net.wimpi.modbusme.io

Examples of net.wimpi.modbusme.io.ModbusTransaction

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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest req = null;
    ModbusTransaction trans = null;
    int ref = 0;
    int count = 0;
    int repeat = 1;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr/*InetAddress.getByName(astr)*/;
          ref = Integer.parseInt(args[1]);
          count = Integer.parseInt(args[2]);
          if(args.length == 4) {
            repeat = Integer.parseInt(args[3]);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }

      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();

      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());

      //3. Prepare the request
      req = new ReadInputRegistersRequest(ref, count);
      req.setUnitID(0);
      if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());

      //4. Prepare the transaction
      trans = new ModbusTCPTransaction(con);
      trans.setRequest(req);

      //5. Execute the transaction repeat times
      int k = 0;
      do {
        trans.execute();
    
        ReadInputRegistersResponse res = (ReadInputRegistersResponse) trans.getResponse();
        if (Modbus.debug)
          System.out.println("Response: " +
              res.getHexMessage()
          );

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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest req = null;
    ModbusTransaction trans = null;
    int ref = 0;
    boolean count = false;
    int repeat = 1;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup the parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          ref = Integer.parseInt(args[1]);
          count = "true".equals(args[2]);        
          if (args.length == 4) {
            repeat = Integer.parseInt(args[3]);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }
      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();

      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());

      //3. Prepare the request
      req = new WriteCoilRequest(ref, count);
      req.setUnitID(0);
      if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());

      //4. Prepare the transaction
      trans = new ModbusTCPTransaction(con);
      trans.setRequest(req);

      //5. Execute the transaction repeat times
      int k = 0;
      do {
        trans.execute();

        if (Modbus.debug) System.out.println("Response: " +
            trans.getResponse().getHexMessage()
        );
        k++;
      } while (k < repeat);

      //6. Close the connection
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    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest ai_req = null;
    WriteSingleRegisterRequest ao_req = null;

    ModbusTransaction ai_trans = null;
    ModbusTransaction ao_trans = null;

    int ai_ref = 0;
    int ao_ref = 0;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup the parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if (idx > 0) {
            port = Integer.parseInt(astr.substring(idx + 1));
            astr = astr.substring(0, idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          ai_ref = Integer.parseInt(args[1]);
          ao_ref = Integer.parseInt(args[2]);

        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }

      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();
      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());

      //3. Prepare the requests
      ai_req = new ReadInputRegistersRequest(ai_ref, 1);
      ao_req = new WriteSingleRegisterRequest();
      ao_req.setReference(ao_ref);

      ai_req.setUnitID(0);
      ao_req.setUnitID(0);


      //4. Prepare the transactions
      ai_trans = new ModbusTCPTransaction(con);
      ai_trans.setRequest(ai_req);
      ao_trans = new ModbusTCPTransaction(con);
      ao_trans.setRequest(ao_req);

      //5. Prepare holders to update only on change
      SimpleRegister new_out = new SimpleRegister(0);
      ao_req.setRegister(new_out);
      int last_out = Integer.MIN_VALUE;

      //5. Execute the transaction repeatedly
      do {
        ai_trans.execute();
        int new_in =
            ((ReadInputRegistersResponse) ai_trans.getResponse()).getRegister(0).getValue();

        //write only if differ
        if (new_in != last_out) {
          new_out.setValue(new_in); //update register
          ao_trans.execute();
          last_out = new_in;
          if(Modbus.debug) System.out.println("Updated Register with value from Input Register.");
        }
      } while (true);

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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest req = null;
    ModbusTransaction trans = null;
    int ref = 0;
    int count = 0;
    int repeat = 1;
    int port = Modbus.DEFAULT_PORT;

    try {

      //1. Setup parameters
      if (args.length < 3) {
        printUsage();
        System.exit(1);
      } else {
        try {
          String astr = args[0];
          int idx = astr.indexOf(':');
          if(idx > 0) {
            port = Integer.parseInt(astr.substring(idx+1));
            astr = astr.substring(0,idx);
          }
          addr = astr /*InetAddress.getByName(astr)*/;
          ref = Integer.parseInt(args[1]);
          count = Integer.parseInt(args[2]);

          if (args.length == 4) {
            repeat = Integer.parseInt(args[3]);
          }
        } catch (Exception ex) {
          ex.printStackTrace();
          printUsage();
          System.exit(1);
        }
      }
      //2. Open the connection
      con = new TCPMasterConnection(addr);
      con.setPort(port);
      con.connect();


      if (Modbus.debug) System.out.println("Connected to " + addr.toString() + ":" + con.getPort());
      req = new WriteSingleRegisterRequest(ref, new SimpleRegister(count));
      req.setUnitID(0);
      if (Modbus.debug) System.out.println("Request: " + req.getHexMessage());

      //3. Prepare the transaction
      trans = new ModbusTCPTransaction(con);
      trans.setRequest(req);

      //4. Execute the transaction repeat times
      int k = 0;
      do {
        trans.execute();

        if (Modbus.debug) System.out.println("Response: " +
            trans.getResponse().getHexMessage()
        );

        k++;
      } while (k < repeat);

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  • net.wimpi.modbusme.cmd.AITest
  • net.wimpi.modbusme.cmd.AOTest
  • net.wimpi.modbusme.cmd.DOTest
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