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📄 mainfrm.frm

📁 master440变频器的上位机程序
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      Width           =   975
   End
   Begin VB.CommandButton WriteCmd 
      Caption         =   "参数设定"
      Height          =   375
      Left            =   3480
      TabIndex        =   1
      Top             =   570
      Width           =   975
   End
   Begin VB.CommandButton ReadCmd 
      Caption         =   "参数读取"
      Height          =   375
      Left            =   1800
      TabIndex        =   0
      Top             =   570
      Width           =   975
   End
   Begin MSCommLib.MSComm MSComm1 
      Left            =   1320
      Top             =   5040
      _ExtentX        =   1005
      _ExtentY        =   1005
      _Version        =   393216
      DTREnable       =   -1  'True
   End
   Begin VB.Timer TimNonControl 
      Left            =   840
      Top             =   5040
   End
   Begin VB.Timer TimControl 
      Left            =   240
      Top             =   5040
   End
   Begin VB.Frame Frame1 
      BackColor       =   &H00C0FFFF&
      Caption         =   "初始化"
      ForeColor       =   &H000000FF&
      Height          =   975
      Left            =   240
      TabIndex        =   6
      Top             =   240
      Width           =   4575
   End
   Begin VB.Frame Frame4 
      BackColor       =   &H00C0FFFF&
      Caption         =   "运动控制"
      ForeColor       =   &H000000FF&
      Height          =   1455
      Left            =   5040
      TabIndex        =   8
      Top             =   1440
      Width           =   4575
      Begin VB.CommandButton RevJogCmd 
         Caption         =   "反向点动"
         Height          =   375
         Left            =   3360
         TabIndex        =   18
         Top             =   840
         Width           =   975
      End
      Begin VB.CommandButton RevCmd 
         Caption         =   "反向运行"
         Height          =   375
         Left            =   3360
         TabIndex        =   9
         Top             =   240
         Width           =   975
      End
   End
   Begin VB.Frame Frame2 
      BackColor       =   &H00C0FFFF&
      Caption         =   "参数读取A(0002-1999)"
      ForeColor       =   &H000000FF&
      Height          =   975
      Left            =   240
      TabIndex        =   10
      Top             =   1560
      Width           =   4575
      Begin LedOCX.LED LED1 
         Height          =   375
         Left            =   1320
         TabIndex        =   11
         Top             =   345
         Width           =   855
         _ExtentX        =   1508
         _ExtentY        =   661
         ForeColor       =   65280
         BackColor       =   0
         BorderStyle     =   1
         LEDSIZE         =   70
         LEDWIDTH        =   1
         LEDSTRING       =   "00.00"
         LEDLEFT         =   10
         LEDTOP          =   60
         LEDXYRATE       =   1
      End
      Begin LedOCX.LED LED2 
         Height          =   375
         Left            =   3360
         TabIndex        =   13
         Top             =   345
         Width           =   855
         _ExtentX        =   1508
         _ExtentY        =   661
         ForeColor       =   65280
         BackColor       =   0
         BorderStyle     =   1
         LEDSIZE         =   70
         LEDWIDTH        =   1
         LEDSTRING       =   "00.00"
         LEDLEFT         =   60
         LEDTOP          =   60
         LEDXYRATE       =   1
      End
      Begin VB.Label Label2 
         BackColor       =   &H00C0FFFF&
         Caption         =   "P1082频率"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   240
         TabIndex        =   19
         Top             =   450
         Width           =   975
      End
      Begin VB.Label Label6 
         BackColor       =   &H00C0FFFF&
         Caption         =   "P1121时间"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   2280
         TabIndex        =   12
         Top             =   450
         Width           =   975
      End
   End
   Begin VB.Frame Frame5 
      BackColor       =   &H00C0FFFF&
      Caption         =   "参数读取B(2000-3999)"
      ForeColor       =   &H000000FF&
      Height          =   975
      Left            =   240
      TabIndex        =   20
      Top             =   2880
      Width           =   4575
      Begin LedOCX.LED LED3 
         Height          =   375
         Left            =   1320
         TabIndex        =   22
         Top             =   345
         Width           =   855
         _ExtentX        =   1508
         _ExtentY        =   661
         ForeColor       =   65280
         BackColor       =   0
         BorderStyle     =   1
         LEDSIZE         =   70
         LEDWIDTH        =   1
         LEDSTRING       =   "00.00"
         LEDLEFT         =   10
         LEDTOP          =   60
         LEDXYRATE       =   1
      End
      Begin LedOCX.LED LED4 
         Height          =   375
         Left            =   3360
         TabIndex        =   24
         Top             =   350
         Width           =   855
         _ExtentX        =   1508
         _ExtentY        =   661
         ForeColor       =   65280
         BackColor       =   0
         BorderStyle     =   1
         LEDSIZE         =   70
         LEDWIDTH        =   1
         LEDSTRING       =   "00.00"
         LEDLEFT         =   60
         LEDTOP          =   60
         LEDXYRATE       =   1
      End
      Begin VB.Label Label7 
         BackColor       =   &H00C0FFFF&
         Caption         =   "P2002电流"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   240
         TabIndex        =   23
         Top             =   450
         Width           =   975
      End
      Begin VB.Label Label3 
         BackColor       =   &H00C0FFFF&
         Caption         =   "P2000频率"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   10.5
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   255
         Left            =   2280
         TabIndex        =   21
         Top             =   480
         Width           =   975
      End
   End
   Begin VB.Menu CommSet 
      Caption         =   "串口设置"
   End
   Begin VB.Menu CommSwitch 
      Caption         =   "串口开关"
      Begin VB.Menu CommOpen 
         Caption         =   "打开串口"
      End
      Begin VB.Menu CommColse 
         Caption         =   "关闭串口"
      End
   End
   Begin VB.Menu CommTest 
      Caption         =   "通讯测试"
   End
   Begin VB.Menu Exit 
      Caption         =   "退出程序"
   End
   Begin VB.Menu Help 
      Caption         =   "帮助"
      Begin VB.Menu Use 
         Caption         =   "使用帮助"
      End
      Begin VB.Menu About 
         Caption         =   "关于软件"
      End
   End
End
Attribute VB_Name = "Mainfrm"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim P11


Private Sub Exit_Click()
Cls
Unload Me

End Sub
Private Sub Form_Load()                   '载入
TimControl.Interval = 1000                '设置1s定时间隔,使命令每隔1s发送1次
TimNonControl.Interval = 500              '设置0.5s定时间隔,查询命令按钮是否处于激活状态
MSComm1.CommPort = 1                      '设定端口号
MSComm1.Settings = "19200,E,8,1"          '设定通讯波特率
MSComm1.InputLen = 0                      '输入缓冲区为0个字符
MSComm1.InBufferSize = 512                '接收缓冲器大小
MSComm1.OutBufferSize = 512               '输出缓冲器大小
MSComm1.RThreshold = 15                    '每接收一个字符便产生事件
MSComm1.InputMode = 1                     '以二进制传输
MSComm1.InBufferCount = 0                 '清除发送缓冲区数据
MSComm1.OutBufferCount = 0                '清除接收缓冲区数据
MSComm1.PortOpen = True                   '打开端口
Dim d%                                    '选择变频器地址
     For d = 0 To 32
         Combo1.AddItem ("ADR " & CStr(d))
     Next
         Combo1.ListIndex = 11            '32为广播位
         Combo2.AddItem "NULL"            '选择读参数类型
         Combo2.AddItem "READ A"
         Combo2.AddItem "READ B"
         Combo2.AddItem "READ C"
         Combo2.ListIndex = 0
         Combo3.AddItem "NULL"            '选择写参数类型
         Combo3.AddItem "WRITE A"
         Combo3.AddItem "WRITE B"
         Combo3.ListIndex = 0
End Sub
Private Sub FwdCmd_Click()                '正向运行
Dim i(15) As Byte                         '定义临时数组变量
Dim j As Integer
Dim Pin As Single
Dim PinH, PinL As String                  '取得频率
     Pin = Val(Text5.Text) * 16384 / 50   '格式化获取频率,100%输出时16#4000对应十进制16384

  If Len(Hex$(Pin)) = 4 Then              '如果是
     PinH = Mid(Hex$(Pin), 1, 2)
     PinL = Mid(Hex$(Pin), 3, 2)
  End If

  If Len(Hex$(Pin)) < 4 Then               '如果是
     PinH = Mid(Hex$(Pin), 1, 1)
     PinL = Mid(Hex$(Pin), 2, 2)
  End If

  i(0) = &H2                               '头码
  i(1) = &HE                               '字节长
  i(2) = &HB                               '变频器站号11,如果为广播,则为32

  i(3) = &H0                               'PKW区8字节,广播时全真F
  i(4) = &H0
  i(5) = &H0
  i(6) = &H0
  i(7) = &H0
  i(8) = &H0
  i(9) = &H0
  i(10) = &H0

  i(11) = &H4                             'PZD区4字节
  i(12) = &H7F
  i(13) = "&H" + PinH                     '给定频率,高位在前,低位在后
  i(14) = "&H" + PinL
  
  For j = 0 To 14                         '报文的最后位BCC位,对前面14字节的数进行异或和校验
      i(15) = i(15) Xor i(j)
   Next j
      MSComm1.OutBufferCount = 0
      MSComm1.Output = i                  '将运行代码通过串口输出到变频器
End Sub

Private Sub About_Click()
frmAbout.Show
End Sub

Private Sub StopRunCmd_Click()            '停止运行
Dim i(15) As Byte
Dim j As Integer
 i(0) = &H2                               '头码
 i(1) = &HE                               '字节长
 i(2) = &HB                               '变频器站号11,如果为广播,则为32

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