玖玖玖视频-亚洲精品1卡2卡3卡-操欧美美女-真实国产乱子伦对白视频不卡-国产乱在线-大胸美女被吃奶爽死视频-久久亚洲美女精品国产精品-天堂在线www天堂在线-久久在精品线影院精品国产-国产又粗又长又大-欧美三级一区二区-超碰在线亚洲-天天cao在线-国产偷倩视频-亚洲啪

dongxuan24
級別: 正式會員
精華主題: 0
發帖數量: 30 個
工控威望: 96 點
下載積分: 724 分
在線時間: 6(小時)
注冊時間: 2010-01-14
最后登錄: 2012-07-12
查看dongxuan24的 主題 / 回貼
樓主  發表于: 2010-08-19 10:46
Private Sub Combo5_Click()
   Select Case Combo5.Text
     Case "On"
        Instruction = &H11
     Case "Off"
        Instruction = &H10
   End Select
End Sub

Private Sub Command1_Click()
   Dim OutByte(0 To 32) As Byte
   Dim Num As Double
   Dim Num2 As String
   Dim L
   Dim Lenth2 As String
   Dim ByteXor As Byte
   Dim StrXor As String
  
   ReadPlc = True
   If Text1.Text = "" Then
     MsgBox "請輸入寄存器地址", vbOKOnly, "系統提示"
   Else
     Num = Val(Text1.Text)
     Num2 = Hex(Num)
     Lenth2 = Hex(Lenth)
     ByteXor = 0
    
     OutByte(0) = 103           '起始字符
     OutByte(1) = 5             '讀寫指令
     OutByte(2) = Asc(0)        'PLC站地址
     OutByte(3) = Asc(2)
     OutByte(4) = Asc(Mid(Address_R, 1, 1))    '寄存器類型
     OutByte(5) = Asc(Mid(Address_R, 2, 1))
     OutByte(6) = Asc(Mid(Address_R, 3, 1))
     OutByte(7) = Asc(Mid(Address_R, 4, 1))
    
     L = Len(Num2)                          '寄存器地址
     For i = 0 To L - 1
       OutByte(11 - i) = Asc(Mid(Num2, L - i, 1))
     Next i
     For i = 0 To 3 - L
       OutByte(11 - L - i) = Asc(0)
     Next i
    
     L = Len(Lenth2)                      '讀取字節數
     If L = 2 Then
       OutByte(12) = Asc(Mid(Lenth2, 1, 1))
       OutByte(13) = Asc(Mid(Lenth2, 2, 1))
     Else
       OutByte(12) = Asc(0)
       OutByte(13) = Asc(Mid(Lenth2, 1, 1))
     End If
    
     For i = 1 To 29                        'BCC校驗碼計算
       ByteXor = ByteXor Xor OutByte(i)
     Next i
     StrXor = Hex(ByteXor)
     If Len(StrXor) = 2 Then
       OutByte(30) = Asc(Mid(StrXor, 1, 1))
       OutByte(31) = Asc(Mid(StrXor, 2, 1))
     Else
       OutByte(30) = Asc(0)
       OutByte(31) = Asc(Mid(StrXor, 1, 1))
     End If
     OutByte(32) = 71
   End If
   MSComm1.Output = OutByte
End Sub


Private Sub Command2_Click()
Dim OutByte(0 To 32) As Byte
   Dim Num As Double
   Dim Num2 As String
   Dim L
   Dim Lenth2 As String
   Dim ByteXor As Byte
   Dim StrXor As String
   Dim Data_Send  As Double
   Dim Data_Send2 As String
   Dim SetLenth2 As String
  
   Read = False
   If Text2.Text = "" Then
     MsgBox "請輸入寄存器地址", vbOKOnly, "系統提示"
   Else
     Num = Val(Text2.Text)
     Num2 = Hex(Num)
    
     SetLenth2 = Hex(SetLenth * 2)
    
     Data_Send = Val(Text4.Text)
     Data_Send2 = Hex(Data_Send)
      
     ByteXor = 0
    
     OutByte(0) = 103           '起始字符
     OutByte(1) = 6             '指令寫
     OutByte(2) = Asc(0)        'PLC站地址
     OutByte(3) = Asc(2)
     OutByte(4) = Asc(Mid(Address_W, 1, 1))      '寄存器類型
     OutByte(5) = Asc(Mid(Address_W, 2, 1))
     OutByte(6) = Asc(Mid(Address_W, 3, 1))
     OutByte(7) = Asc(Mid(Address_W, 4, 1))
    
     L = Len(Num2)                             '寄存器地址
     For i = 0 To L - 1
       OutByte(11 - i) = Asc(Mid(Num2, L - i, 1))
     Next i
     For i = 0 To 3 - L
       OutByte(11 - L - i) = Asc(0)
     Next i
    
     L = Len(SetLenth2)            '寫入數據的長度
     If L = 2 Then
       OutByte(12) = Asc(Mid(SetLenth2, 1, 1))
       OutByte(13) = Asc(Mid(SetLenth2, 2, 1))
     Else
       OutByte(12) = Asc(0)
       OutByte(13) = Asc(Mid(SetLenth2, 1, 1))
     End If
     '寫入PLC的數據
     L = Len(Data_Send2)
     For i = 1 To L
       OutByte(14 + 2 * SetLenth - i) = Asc(Mid(Data_Send2, L - i + 1, 1))
     Next i
     For i = 1 To SetLenth * 2 - L
       OutByte(13 + i) = Asc(0)
     Next i
    
    
    
    
     '寫入PLC的數據
     For i = 1 To 29                     'BCC校驗碼計算
       ByteXor = ByteXor Xor OutByte(i)
     Next i
     StrXor = Hex(ByteXor)
     If Len(StrXor) = 2 Then
       OutByte(30) = Asc(Mid(StrXor, 1, 1))
       OutByte(31) = Asc(Mid(StrXor, 2, 1))
     Else
       OutByte(30) = Asc(0)
       OutByte(31) = Asc(Mid(StrXor, 1, 1))
     End If
     OutByte(32) = 71
   End If
   MSComm1.Output = OutByte
End Sub

Private Sub Command3_Click()
   Dim OutByte(0 To 32) As Byte
   Dim Num As Double
   Dim Num2 As String
   Dim L
   Dim Lenth2 As String
   Dim ByteXor As Byte
   Dim StrXor As String
  
   ReadPlc = False
   If Text6.Text = "" Then
     MsgBox "請輸入寄存器地址", vbOKOnly, "系統提示"
   Else
     Num = Val(Text6.Text)
     Num2 = Hex(Num)
     Lenth2 = Hex(Lenth)
     ByteXor = 0
    
     OutByte(0) = 103                         '起始字符
     OutByte(1) = Instruction                 '讀寫指令
     OutByte(2) = Asc(0)                      'PLC站地址
     OutByte(3) = Asc(2)
     OutByte(4) = Asc(Mid(Address_B, 1, 1))     '寄存器類型
     OutByte(5) = Asc(Mid(Address_B, 2, 1))
     OutByte(6) = Asc(Mid(Address_B, 3, 1))
     OutByte(7) = Asc(Mid(Address_B, 4, 1))
    
     L = Len(Num2)                           '寄存器地址
     For i = 0 To L - 1
       OutByte(11 - i) = Asc(Mid(Num2, L - i, 1))
     Next i
     For i = 0 To 3 - L
       OutByte(11 - L - i) = Asc(0)
     Next i
    
                                             '位地址
    
       OutByte(12) = Asc(Mid(Bit, 1, 1))
       OutByte(13) = Asc(Mid(Bit, 2, 1))
    

    
     For i = 1 To 29                        'BCC校驗碼計算
       ByteXor = ByteXor Xor OutByte(i)
     Next i
     StrXor = Hex(ByteXor)
     If Len(StrXor) = 2 Then
       OutByte(30) = Asc(Mid(StrXor, 1, 1))
       OutByte(31) = Asc(Mid(StrXor, 2, 1))
     Else
       OutByte(30) = Asc(0)
       OutByte(31) = Asc(Mid(StrXor, 1, 1))
     End If
     OutByte(32) = 71
   End If
   MSComm1.Output = OutByte
End Sub

Private Sub Form_Load()
   Instruction = &H11
   Address_R = "0100"
   Address_W = "0100"
   Address_B = "0100"
   Bit = "00"
   Lenth = 2
   SetLenth = 2
   MSComm1.CommPort = 1
   MSComm1.Settings = "9600,n,8,1"
   MSComm1.PortOpen = True
    If (Err) Then
       MsgBox "端口打開錯誤", vbOKOnly, "系統信息"
    End If
   MSComm1.RThreshold = 20
   MSComm1.InputMode = 1
   MSComm1.InBufferCount = 0
End Sub



Private Sub MSComm1_OnComm()
  Dim Temp() As Byte
  Dim Read(0 To 32) As Byte
  Dim BBC As Byte
  Dim XorByte As Byte
  Dim BBC_Temp As Byte
  Dim Value As Double
  Dim Trans(1 To 8) As Byte
  Dim TransValue As Double
  
  Value = 0
  XorByte = 0
  Temp = MSComm1.Input
  If ReadPlc = True Then
  
  If Temp(LBound(Temp)) = 103 And Temp(LBound(Temp) + 1) = 1 Then         '如果起始正確
      
      For i = 0 To 20
        Read(i) = Temp(i)
      Next i
      
      For i = 2 To 17                     '計算校驗碼
         XorByte = XorByte Xor Read(i)
      Next i
      
      For i = 2 To 19
        If Read(i) > &H40 Then
           Read(i) = Read(i) - &H37
        Else
           Read(i) = Read(i) - &H30
        End If
      Next
      BBC_Temp = Read(19) + Read(18) * &H10
      If XorByte = BBC_Temp Then
      
        For i = 2 To Lenth * 2 + 1
          
          Value = Value * &H10 + Read(i)
        Next i
      Text3.Text = Value
      End If
  End If
  Else
     If Temp(0) = 103 And Temp(1) = 2 Then
       MsgBox "參數設定成功", vbOKOnly, "系統提示"
     End If
  End If
End Sub


尤其是這幾句，希望能具體解釋一下，多謝


OutByte(0) = 103           '起始字符
     OutByte(1) = 5             '讀寫指令
     OutByte(2) = Asc(0)        'PLC站地址
     OutByte(3) = Asc(2)
     OutByte(4) = Asc(Mid(Address_R, 1, 1))    '寄存器類型
     OutByte(5) = Asc(Mid(Address_R, 2, 1))
     OutByte(6) = Asc(Mid(Address_R, 3, 1))
     OutByte(7) = Asc(Mid(Address_R, 4, 1))
    
     L = Len(Num2)                          '寄存器地址
     For i = 0 To L - 1
       OutByte(11 - i) = Asc(Mid(Num2, L - i, 1))
     Next i
     For i = 0 To 3 - L
       OutByte(11 - L - i) = Asc(0)
     Next i
    
     L = Len(Lenth2)                      '讀取字節數
     If L = 2 Then
       OutByte(12) = Asc(Mid(Lenth2, 1, 1))
       OutByte(13) = Asc(Mid(Lenth2, 2, 1))
     Else
       OutByte(12) = Asc(0)
       OutByte(13) = Asc(Mid(Lenth2, 1, 1))
     End If
    
     For i = 1 To 29                        'BCC校驗碼計算
       ByteXor = ByteXor Xor OutByte(i)
     Next i
     StrXor = Hex(ByteXor)
     If Len(StrXor) = 2 Then
       OutByte(30) = Asc(Mid(StrXor, 1, 1))
       OutByte(31) = Asc(Mid(StrXor, 2, 1))
     Else
       OutByte(30) = Asc(0)
       OutByte(31) = Asc(Mid(StrXor, 1, 1))
     End If
     OutByte(32) = 71
   End If
   MSComm1.Output = OutByte
End Sub


Private Sub Command2_Click()
Dim OutByte(0 To 32) As Byte
   Dim Num As Double
   Dim Num2 As String
   Dim L
   Dim Lenth2 As String
   Dim ByteXor As Byte
   Dim StrXor As String
   Dim Data_Send  As Double
   Dim Data_Send2 As String
   Dim SetLenth2 As String
  
   Read = False
   If Text2.Text = "" Then
     MsgBox "請輸入寄存器地址", vbOKOnly, "系統提示"
   Else
     Num = Val(Text2.Text)
     Num2 = Hex(Num)
    
     SetLenth2 = Hex(SetLenth * 2)
    
     Data_Send = Val(Text4.Text)
     Data_Send2 = Hex(Data_Send)
      
     ByteXor = 0
    
     OutByte(0) = 103           '起始字符
     OutByte(1) = 6             '指令寫
     OutByte(2) = Asc(0)        'PLC站地址
     OutByte(3) = Asc(2)
     OutByte(4) = Asc(Mid(Address_W, 1, 1))      '寄存器類型
     OutByte(5) = Asc(Mid(Address_W, 2, 1))
     OutByte(6) = Asc(Mid(Address_W, 3, 1))
     OutByte(7) = Asc(Mid(Address_W, 4, 1))
    
     L = Len(Num2)                             '寄存器地址
     For i = 0 To L - 1
       OutByte(11 - i) = Asc(Mid(Num2, L - i, 1))
     Next i
     For i = 0 To 3 - L
       OutByte(11 - L - i) = Asc(0)
     Next i
    
     L = Len(SetLenth2)            '寫入數據的長度
     If L = 2 Then
       OutByte(12) = Asc(Mid(SetLenth2, 1, 1))
       OutByte(13) = Asc(Mid(SetLenth2, 2, 1))
     Else
       OutByte(12) = Asc(0)
       OutByte(13) = Asc(Mid(SetLenth2, 1, 1))
     End If
     '寫入PLC的數據
     L = Len(Data_Send2)
     For i = 1 To L
       OutByte(14 + 2 * SetLenth - i) = Asc(Mid(Data_Send2, L - i + 1, 1))
     Next i
     For i = 1 To SetLenth * 2 - L
       OutByte(13 + i) = Asc(0)
     Next i
    

主站蜘蛛池模板： 日日人人| 欧美一区二区在线播放 | xxxx国产片 | 欧美牲交a欧美牲交aⅴ免费下载 | 69堂.com | 国产精品一区二区三区免费视频 | 久久精品在线 | 亚洲欧美一区二区三区在线 | 新香蕉少妇视频网站 | 国产精品无码av一区二区三区 | 婷婷丁香激情 | 后入内射欧美99二区视频 | 超碰在线日韩 | 国产福利片在线 | 久久久久久婷婷 | 久久九色 | 久久视频黄色 | 凹凸在线无码免费视频 | 久久久欧美国产精品人妻噜噜 | 欧美一区二区三区久久综 | 国产第|页日本草草影院一 久久久久www | 6080电视影片在线观看 | 亚洲另类无码专区国内精品 | 日批视频| 天堂网色| 99国产揄拍国产精品人妻 | 91丝袜| 青草青草久热精品视频在线播放 | 特级av毛片免费观看 | 日韩免费无码视频一区二区三区 | 一级国产精品一级国产精品片 | 欧美黑人一区二区三区 | 狠狠干2020 | 亚洲国产精品久久人人爱潘金莲 | 亚洲国产成人手机在线电影 | 精品无码久久久久久久动漫 | 羞羞视频在线观看 | 伊人亚洲综合影院首页 | 五月六月丁香婷婷激情 | 韩日中文字幕 | 视频在线免费观看 | 久久香蕉国产线看观看怡红院妓院 | 亚洲乱妇 | 亚洲国产成人精品综合av | 欧美成人免费一区二区三区视频 | 国产自产在线 | 精品亚洲国产成人av不卡 | 91丝袜呻吟高潮美腿白嫩在线观看 | 少妇高潮喷水久久久久久久久久 | 盗摄精品av一区二区三区 | 嘿咻嘿咻男女免费专区 | 日本最新中文字幕 | 亚洲欧美日韩v在线观看不卡 | 中文字幕1区2区3区 四虎亚洲精品高清在线观看 | 一本色道无码道dvd在线观看 | 国产精品成人免费999 | 波多野结衣毛片 | 亚洲国产精品国自产拍电影 | 一本大道东京热无码 | 久久综合88熟人妻 | 亚洲人成伊人成综合网无码 | 午夜性色福利在线视频18观看 | 欧美日日日 | 深爱婷婷国产在线精品av | 黄色片成年人 | 欧洲丰满大乳人妻无码欧美 | 五月天综合网站 | 国产私拍 | 欧美片一区二区 | 麻豆精品国产传媒av绿帽社 | 成人区人妻精品一区二区三区 | 在线精品国产一区二区三区 | av动漫无码不卡在线观看 | 日产中文字幕在线观看 | 欧美人牲交a欧美精区日韩 在线中文字幕网 | 91综合国产 | 浴室人妻的情欲hd三级 | 亚洲另类欧美综合久久 | 日本又色又爽又黄的视频免 | 精品国产av色一区二区深夜久久 | 免费香蕉成视频人网站 | 欧美有码视频 | 青青草在线观看视频 | 九九激情网| 国产有码在线 | 爱性久久久久久久久 | 精品九九九九九 | 国产午夜精品一区二区三区嫩草 | 粗大挺进尤物人妻中文字幕 | 黄色一及毛片 | 日日夜精品 | a级片在线看 | 亚洲香蕉伊综合在人在线观看 | 人人干97 | 日韩视频免费观看 | 亚洲伊人久久大香线蕉 | 久久男人天堂 | 国产高清视频在线观看三区 | 黄色片女人 |