Package net.wimpi.modbusme.msg

Examples of net.wimpi.modbusme.msg.WriteCoilRequest

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  public static void main(String[] args) {

    UDPMasterConnection conn = null;
    ModbusUDPTransaction trans = null;
    WriteCoilRequest req = null;

    String addr = null;

    int ref = 0;
    boolean set = 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]);
          set = "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
      conn = new UDPMasterConnection(addr);
      conn.setPort(502);
      conn.connect();

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

      //4. Prepare the transaction
      trans = new ModbusUDPTransaction(conn);
      trans.setRequest(req);

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      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);
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  public static void main(String[] args) {

    String addr = null;
    TCPMasterConnection con = null;
    ModbusRequest di_req = null;
    WriteCoilRequest do_req = null;

    ModbusTCPTransaction di_trans = null;
    ModbusTCPTransaction do_trans = null;

    int di_ref = 0;
    int do_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)*/;
          di_ref = Integer.parseInt(args[1]);
          do_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
      di_req = new ReadInputDiscretesRequest(di_ref, 1);

      do_req = new WriteCoilRequest();
      do_req.setReference(do_ref);

      di_req.setUnitID(0);
      do_req.setUnitID(0);


      //4. Prepare the transactions
      di_trans = new ModbusTCPTransaction(con);
      di_trans.setRequest(di_req);
      di_trans.setReconnecting(false);
      do_trans = new ModbusTCPTransaction(con);
      do_trans.setRequest(do_req);
      do_trans.setReconnecting(false);

      //5. Holders for last states
      boolean last_out = false;
      boolean new_in = false;

      //6. Execute the transactions repeatedly
      do {
        di_trans.execute();
        new_in = ((ReadInputDiscretesResponse) di_trans.getResponse())
            .getDiscreteStatus(0);

        //write only if differ
        if (new_in != last_out) {
          do_req.setCoil(new_in);
          do_trans.execute();
          last_out = new_in;
          if (Modbus.debug) System.out.println("Updated coil with state from DI.");
        }
      } while (true);
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Related Classes of net.wimpi.modbusme.msg.WriteCoilRequest

  • net.wimpi.modbusme.cmd.DIDOTest
  • net.wimpi.modbusme.cmd.DOTest
  • net.wimpi.modbusme.cmd.UDPDOTest
  • net.wimpi.modbusme.procimg.DigitalOut
  • net.wimpi.modbusme.procimg.ProcessImage
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