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Omron_HostLink.dll V3.2 HostLink通信協議串口通訊動態鏈接庫DLL(以下簡稱DLL)，是為滿足工業通信需要，

針對工業領域要求上位機對歐姆龍系列PLC通訊實時采集與控制的組態編程而設計。

本DLL是采用Delphi語言開發的標準串口通訊庫，具有以下特點：

1)、遵循歐姆龍HostLink通信協議；

2)、支持多串口并發操作，支持多線程串口通訊，將串口通訊對主程序的影響降至最低；

3)、實時性、可靠性好,通用性強；

4)、適用于多PLC(下位機)聯網和上位機通信，滿足多方面的需要；

5)、函數接口功能全，操作簡單，支持歐姆龍PLC的絕大部分地址的讀寫功能函數；

6)、支持USB、PC擴展卡等擴展串口號；

7)、支持多種操作系統win9x/win2000/winXP(標準Win32 DLL)；

8)、易于快速開發(VC等非RAD開發環境的開發)；

9)、更新原有函數調用方式采用數組調用數據發生與接收，初學者快速入門；

10)、可在多種編程環境下使用，例如VB、VC、Delphi、PB、Labview、易語言等開發環境；

11)、擴展了函數功能讀取下位機中的雙字、單精度浮點等類型數據，更加符合工業自動化領域的工控軟件的開發。

軟件版本更新及相關說明：

Omron_HostLink.dll V3.2 HostLink通信協議串口通訊鏈接庫，實現了對歐姆 龍全系列PLC的HostLink協議的支持,

(刪減了一些特權指令)wangjun于2010年在原有omron.dll V2.0版基礎上的更新版，重寫了函數結構，采用數據接收

和發送緩沖區(數組)方式傳遞，讀出和寫入單元數據使用更方便。對于16位整數和32位整數讀取寫入均按有符號整數

處理,小數的返回按單精度浮點型(2進制浮點)處理讀取方式。提供擴展功能函數，方便用戶實現混合數據讀取。

能夠同時滿足32個串口并發情況下的正常使用。

Omron_HostLink.dll V3.2 分為完美版和單機版兩個版本，本DLL于2010年最新規整優化了部分源碼，

通過DLL發送緩存區與接收緩存區數據傳遞的功能擴展，使多語言環境的使用更加便利。

全新的串口通信DLL控件，完美的VB、VC、delphi例程及工件手冊是，廣大立志利用各類高級語言進行上位機軟件開發的首先工具。

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電 話：13912935690 025-84359545

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樓主，你out了，現在是基于fins的了！本來想把源碼貼出來，想想還是不要斷了你的財路，只把通訊協議貼一些出來吧
SUDT ACCESSPORT LOG FILE - Monitor mode

監控: COM8
創建時間: 2011-03-19, 14:35:30
計算機名: J2
系統版本: Microsoft Windows XP Professional Service Pack 3 (Build 2600)

#       Time        Function                        Data ( Hex )    

1       [00000000]  IRP_MJ_CREATE                   Port Opened - vb6.exe
2       [00000001]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
3       [00000001]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 1, Parity: No, DataBits: 8
4       [00000010]  IRP_MJ_CLOSE                    Port Closed
5       [00000000]  IRP_MJ_CREATE                   Port Opened - vb6.exe
6       [00000000]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
7       [00000001]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 1, Parity: No, DataBits: 8
8       [00000001]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
9       [00000002]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
10      [00000088]  IRP_MJ_WRITE                    Length: 0017, Data: 40 30 30 52 44 30 30 30 31 30 30 30 31 35 36 2A 0D
11      [00002270]  IRP_MJ_CLOSE                    Port Closed
12      [00000000]  IRP_MJ_CREATE                   Port Opened - AccessPort.exe
13      [00000001]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
14      [00000001]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
15      [00000002]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
16      [00000003]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
17      [00000940]  IRP_MJ_CLOSE                    Port Closed
18      [00000000]  IRP_MJ_CREATE                   Port Opened - vb6.exe
19      [00000000]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
20      [00000001]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 1, Parity: No, DataBits: 8
21      [00000010]  IRP_MJ_CLOSE                    Port Closed
22      [00000000]  IRP_MJ_CREATE                   Port Opened - vb6.exe
23      [00000001]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
24      [00000002]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 1, Parity: No, DataBits: 8
25      [00000002]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
26      [00000003]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
27      [00000941]  IRP_MJ_WRITE                    Length: 0017, Data: 40 30 30 52 44 30 30 30 31 30 30 30 31 35 36 2A 0D
28      [00001933]  IRP_MJ_WRITE                    Length: 0017, Data: 40 30 30 57 44 30 30 30 31 30 30 30 32 35 30 2A 0D
29      [00002507]  IRP_MJ_CLOSE                    Port Closed
30      [00000000]  IRP_MJ_CREATE                   Port Opened - AccessPort.exe
31      [00000000]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
32      [00000001]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
33      [00000002]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
34      [00000003]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
35      [00000804]  IRP_MJ_CLOSE                    Port Closed
36      [00000000]  IRP_MJ_CREATE                   Port Opened - vb6.exe
37      [00000001]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
38      [00000002]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 1, Parity: No, DataBits: 8
39      [00000009]  IRP_MJ_CLOSE                    Port Closed
40      [00000000]  IRP_MJ_CREATE                   Port Opened - vb6.exe
41      [00000001]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
42      [00000001]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 1, Parity: No, DataBits: 8
43      [00000002]  IOCTL_SERIAL_SET_BAUD_RATE      Baud Rate: 9600
44      [00000002]  IOCTL_SERIAL_SET_LINE_CONTROL   StopBits: 2, Parity: Even, DataBits: 7
45      [00000093]  IRP_MJ_WRITE                    Length: 0017, Data: 40 30 30 52 44 30 30 30 31 30 30 30 31 35 36 2A 0D
46      [00000177]  IRP_MJ_WRITE                    Length: 0017, Data: 40 30 30 52 44 30 30 30 31 30 30 30 31 35 36 2A 0D
47      [00000190]  IRP_MJ_WRITE                    Length: 0017, Data: 40 30 30 52 44 30 30 30 31 30 30 30 31 35 36 2A 0D
48      [00000293]  IRP_MJ_CLOSE                    Port Closed

@00FA00000000001018200000000017C*//d0讀
@00FA00000000001018200010000017D*  D1讀   @00FA00000000001018200020000017E*  D2讀
@00FA00000000001018200020000027D*  D2D3 讀
@00FA00000000001018200020000027D*  D2D3 可寫

@00FA0000000000101B2000000000106*  H0 讀
@00FA0000000000101B2000000000106*  H0 可寫
@00FA0000000000101B2000100000107*  H1 讀
@00FA0000000000101B2000100000107*  H1 可寫
@00FA0000000000101B2000200000104*  H2 讀
@00FA0000000000101B2000200000104*  H2 可寫
@00FA0000000000101B2000300000105*  H3 讀
@00FA0000000000101B2000300000105*  H3 可寫
@00FA0000000000101B2000300000206*  H3H4讀
@00FA0000000000101B2000300000206*  H3H4可寫

@00FA00000000001023100010100010176* 設置W1.1位置
@00FA00000000001023000640000010175* 寫100.00
@00FA000000000010130006400000177*  100.00 讀
@00FA000000000010130006401000176*  100.01 讀
@00FA000000000010130006402000175*  100.02 讀
@00FA000000000010130006500000176*  101.00 讀
@00FA000000000010130006501000177*  101.01 讀
@00FA000000000010130006502000174*  101.02 讀


@00FA000000000010130000000000175*  0.00 讀
@00FA000000000010130000001000174*  0.01 讀
@00FA000000000010130000002000177*  0.02 讀
@00FA000000000010130000100000174*  01.00讀
@00FA000000000010130000200000177*  02.00讀
@00FA000000000010131000000000174*  W0.00 讀
@00FA000000000010131000001000175*  W0.01 讀
@00FA000000000010131000002000176*  W0.02 讀
@00FA000000000010131000002000176*   W0.02 讀
@00FA000000000010131000100000175*  W1.00讀
@00FA000000000010131000200000176*  W2.00讀

@00FA000000000010189000000000177*  T0讀
@00FA000000000010189000000000177*  T0讀寫
@00FA000000000010189000100000176*  T1讀
@00FA000000000010189000100000176*  T1讀寫
@00FA000000000010189000200000175*  T2讀
@00FA000000000010189000200000175*  T2讀寫

@00FA000000000010189000000000177*  C0讀
@00FA000000000010189000000000177*  C0讀寫
@00FA000000000010189000100000176*  C1讀
@00FA000000000010189000100000176*  C1讀寫
@00FA000000000010189000100000176*  C1讀寫并寫了上下限100-10

@00FA000000000010189000200000175*  C2讀
@00FA000000000010189000200000175*  C2讀寫
@00FA00000000001018900FA00000170*  C250讀寫
@00FA00000000001018909C400000109*  C2500讀寫
@00FA00000000001018909C40000020A*  C2500 C2501讀寫