unit1.~pas

s7200自由口通讯.rar1、使用PPI电缆。 2、指令说明文件 3、例子

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, OleCtrls, MSCommLib_TLB, ExtCtrls;

type
  TForm1 = class(TForm)
    Timer1: TTimer;
    MSComm1: TMSComm;
    Memo1: TMemo;
    Memo2: TMemo;
    Memo3: TMemo;
    Button1: TButton;
    Button2: TButton;
    Button3: TButton;
    Button4: TButton;
    Button5: TButton;
    Timer2: TTimer;
    Button6: TButton;
    Button7: TButton;
    Edit1: TEdit;
    Edit2: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure Edit1Change(Sender: TObject);
    procedure Edit2Change(Sender: TObject);
    procedure Button4Click(Sender: TObject);
    procedure Button6Click(Sender: TObject);
    procedure Button5Click(Sender: TObject);
    procedure Button7Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure Button3Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure Timer2Timer(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
MSComm1.PortOpen:=true;
end;

procedure TForm1.Edit1Change(Sender: TObject);
begin
Timer1.Interval := strtoint(edit1.Text);
end;

procedure TForm1.Edit2Change(Sender: TObject);
begin
Timer2.Interval := strtoint(edit2.Text);
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
Timer1.Enabled := true;
end;

procedure TForm1.Button6Click(Sender: TObject);
begin
Timer1.Enabled := false;
end;

procedure TForm1.Button5Click(Sender: TObject);
begin
Timer2.Enabled := true;
end;

procedure TForm1.Button7Click(Sender: TObject);
begin
Timer2.Enabled := false;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
        MSComm1.Output:=Memo1.Text;
end;

procedure TForm1.Button3Click(Sender: TObject);
var
 s:string;
 i:integer;
begin
        s := MSComm1.Input;
        Memo2.Text := s;
        for i := 0 to length(s) - 1 do
        begin
             memo3.Lines.Add(inttostr(ord(s[i])));
        end;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
Button2Click(Sender);
end;

procedure TForm1.Timer2Timer(Sender: TObject);
begin
Button3Click(Sender);
end;

end.