該協議實際上適用于PLC編程端口以及FX-232AW模塊的通信

通訊格式
     命令（CMD）   命令碼    目標設備
DEVICE READ  CMD    "0"    X,Y,M,S,T,C,D
DEVICE WRITE CMD    "1"    X,Y,M,S,T,C,D
FORCE  ON    CMD    "7"    X,Y,M,S,T,C
FORCE  OFF   CMD    "8"    X,Y,M,S,T,C

擴展命令碼
讀配置   "E00"
寫配置   "E10"
讀程序   "E01"
寫程序   "E11"

傳輸格式: RS232C
波特率: 9600bps
奇偶: even
校驗: 累加方式和校驗
字符: ASCII

命令   16進制代碼   命令解釋
ENQ       05H       通信請求
ACK       06H     PLC正確響應
NAK       15H     PLC錯誤響應
STX       02H       報文開始
ETX       03H       報文結束

幀格式
STX CMD DATA ...... DATA ETX SUM(upper) SUM(lower)

例子
STX ,CMD ,    ADDRESS,      BYTES,  ETX,  SUM
02H, 30H, 31H,30H,46H,36H, 30H,34H, 03H, 37H,34H 
指令解釋如下：
STX,         "0",     "10F6",       "04",       ETX,       "74" 
報文開始,  讀命令,  地址10F6H處,  04H字節數據, 報文結束, 累加方式和校驗
其中 SUM=CMD+......+ETX=30h+31h+30h+46h+36h+30h+34h+03h=74h;
累加和超過兩位取低兩位，轉換成ascii碼，分 SUM(upper)，SUM(lower)二次傳送。

==========================================================================================

三菱FX 系列PLC 編程口通信協議例一

RS232C接口，通訊波特率 9600，7，e，1 。
PC機(設置為FX1S)向停止運行的FX1S正常下載11步程序。

三菱FX1S PLC下載通信協議說明  
作者：許意義
日期：2009.6.11

------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: 05          // ENQ ；如無應答，延遲1.28X10mS再次發送ENQ，連續3次發送無應答，則通訊出錯，和PLC連接不上。
PC機發送   字節數: 0001, 數據: 05          // ENQ 
PLC應答    字節數: 0001, 數據: 06          // ACK ；PLC應答（已收到）  

PC機發送   字節數: 0011, 數據: 02 30 30 31 45 30 30 31 03 36 41 // STX,"0","01E0","01",ETX,"6A" ；查詢PLC 01E0H地址數據字節（FX1S運行狀態） 
PLC應答    字節數: 0006, 數據: 02 30 41 03 37 34                // STX,"0A",ETX,"74"            ；PLC返回"0A",代表PLC暫停
                                                                                               ；如PLC返回"09",代表PLC運行
PC機發送   字節數: 0011, 數據: 02 30 30 45 30 32 30 32 03 36 43 // STX,"0","0E02","02",ETX,"6C" ；查詢PLC 0E02H地址數據字（PLC型號）
PLC應答    字節數: 0008, 數據: 02 43 32 35 36 03 45 33          // STX,"C256",ETX,"E3"          ；PLC返回"6266",代表PLC型號FX1N
                                                                                               ；如PLC返回"C256",代表PLC型號FX1S
PC機發送   字節數: 0011, 數據: 02 30 38 30 30 30 32 45 03 37 32 // STX,"0","8000","2E",ETX,"72" ；發出讀PLC 8000H地址處連續2EH字節數據指令（這些內容為PLC內預置參數值）
PLC應答    字節數: 0008, 數據: 02 30 32 30 30 36 35 41          // STX,"020065A",               ；PC機讀入PLC 8000H地址處連續2EH字節數據
PLC應答    字節數: 0008, 數據: 39 30 30 30 30 30 30 30          // "90000000", 
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202", 
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 32 30 32          // "02020202",
PLC應答    字節數: 0008, 數據: 30 32 30 32 30 03 42 36          // "02020",ETX,"B6"

PC機發送   字節數: 0011, 數據: 02 30 38 30 32 45 32 45 03 38 39 // STX,"0","802E","2E",ETX,"89" ；發出讀PLC 802EH地址處連續2EH字節數據指令（這些內容為PLC內預置參數值）
PLC應答    字節數: 0008, 數據: 02 32 30 32 30 46 34 30          // STX,"2020F40",               ；PC機讀入PLC 802EH地址處連續2EH字節數據
PLC應答    字節數: 0008, 數據: 39 46 46 30 42 46 34 30          // "9FF0BF40",
PLC應答    字節數: 0008, 數據: 31 45 37 30 33 36 34 30          // "1E703640",
PLC應答    字節數: 0008, 數據: 45 43 37 30 45 44 43 30          // "EC70EDC0",
PLC應答    字節數: 0008, 數據: 45 46 46 30 45 39 30 30          // "EFF0E900",
PLC應答    字節數: 0008, 數據: 31 46 45 30 33 30 30 30          // "1FE03000",
PLC應答    字節數: 0008, 數據: 30 30 30 30 30 30 30 30          // "00000000",
PLC應答    字節數: 0008, 數據: 30 30 30 30 30 30 30 30          // "00000000",
PLC應答    字節數: 0008, 數據: 30 30 30 30 30 30 30 30          // "00000000",
PLC應答    字節數: 0008, 數據: 30 30 30 30 30 30 30 30          // "00000000",
PLC應答    字節數: 0008, 數據: 30 30 30 30 30 30 30 30          // "00000000",
PLC應答    字節數: 0008, 數據: 30 30 30 30 30 03 45 35          // "00000",ETX,"E5"

PC機發送   字節數: 0011, 數據: 02 30 30 45 30 36 30 32 03 37 30 // STX,"0","0E06","02",ETX,"70" ；查詢PLC 0E06H地址數據字
PLC應答    字節數: 0008, 數據: 02 31 30 30 30 03 43 34          // STX,"1000",ETX,"C4"          ；PLC返回"1000",代表？？

PC機發送   字節數: 0011, 數據: 02 30 38 30 35 43 33 45 03 38 42          // STX,"0","805C","3E",ETX,"8B" ；發出讀PLC 805CH地址處連續3EH字節數據指令
PLC應答    字節數: 0128, 數據: 02 30 36 32 34 30 37 43 35 30 46 30 30 30 35 43 // STX,"062407C50F0005C", ；PC機讀入PLC 805CH地址處連續3EH字節數據
                              38 30 46 30 30 46 46 46 46 46 46 46 46 46 46 46 // "80F00FFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 46 46 03 41 41 // "FFFFFFFFFFFFF",ETX,"AA"

PC機發送   字節數: 0055, 數據: 02 31 38 30 35 43 31 36 30 32 32 // STX,"1","805C","16","022", ；發出寫PLC 805CH地址處連續16H字節（11步程序）數據指令
                              34 30 30 43 35 30 46 30 30 46 46 // "400C50F00FF",             ；接出PC機連續送出16H字節（11步程序）數據
                              46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 46 46 46 // "FFFFFFFFFFF",
                              46 46 46 46 46 46 46 46 03 42 31 // "FFFFFFFF",ETX,"B1"
PLC應答    字節數: 0001, 數據: 06                      // ACK ；PLC應答（已收到） 

PC機發送   字節數: 0005, 數據: 02 42 03 34 35          // STX,"B",ETX,"45”   ；發出下載程序寫結束指令
PLC應答    字節數: 0001, 數據: 06                      // ACK                 ；PLC應答（已收到） 

PC機發送   字節數: 0011, 數據: 02 30 38 30 35 43 31 36 03 37 41          // STX,"0","805C","16",ETX,"7A" ；發出讀PLC 805CH地址處連續16H字節（11步程序）數據指令（校驗下載數據）
PLC應答    字節數: 0048, 數據: 02 30 32 32 34 30 30 43 35 30 46 30 30 46 46 46  // STX,"022400C50F00FFF" ；PC機讀入PLC 805CH地址處連續16H字節（11步程序）數據
                                                                               // "FFFFFFFFFFFFFFFF",
                                                                               // "FFFFFFFFFFFFF",ETX,"39"
// 下載結束
 
==========================================================================================

三菱FX 系列PLC 編程口通信協議例二

RS232C接口，通訊波特率 9600，7，e，1 。   
PC機(設置為FX1N)向停止運行的FX1N正常下載3步程序。 

三菱FX1N PLC下載通信協議說明  
作者：許意義
日期：2009.6.12

------------------------------------------------------------------------------------------- 
PC機發送   字節數: 0001, 數據: ENQ                           // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                           // PLC應答（已收到）   
PC機發送   字節數: 0011, 數據: STX,"0","0E02","02",ETX,"6C"  // 查詢PLC 0E02H地址數據字（PLC型號） 
PLC應答    字節數: 0008, 數據: STX,"62","66",ETX,"D7"        // PLC返回"6266",代表PLC型號FX1N 

PC機發送   字節數: 0001, 數據: ENQ                           // PC機發出通信請求  
PLC應答    字節數: 0001, 數據: ACK                           // PLC應答（已收到）   

PC機發送   字節數: 0013, 數據: STX,"E00","01C0","01",ETX,"DD" // 查詢PLC 01C0H地址數據字節（FX1N運行狀態）   
PLC應答    字節數: 0006, 數據: STX,"0A",ETX,"74"              // PLC返回"0A",代表PLC暫停 
                                                             // 如PLC返回"09",代表PLC運行 

PC機發送   字節數: 0001, 數據: ENQ                           // PC機發出通信請求  
PLC應答    字節數: 0001, 數據: ACK                           // PLC應答（已收到）   

PC機發送   字節數: 0011, 數據: STX,"0","0E02","02",ETX,"6C"  // 再次查詢PLC 0E02H地址數據字（PLC型號） 
PLC應答    字節數: 0008, 數據: STX,"62","66",ETX,"D7"        // PLC返回"6266",代表PLC型號FX1N 

PC機發送   字節數: 0001, 數據: ENQ                             // PC機發出通信請求  
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）    

PC機發送   字節數: 0013, 數據: STX,RTC,"8000","2E",ETX,"E8"    // 發出讀PLC 8000H地址處連續2EH字節數據指令（這些內容為PLC內預置參數值）  
PLC應答    字節數: 0008, 數據: STX,'0','8','0','0','D','7','C' // PC機讀入PLC 8000H地址處連續2EH字節數據  
PLC應答    字節數: 0008, 數據: '9','0','0','0','0','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'  
PLC應答    字節數: 0008, 數據: '0','2','0','2','0',ETX,"CE"  

PC機發送   字節數: 0013, 數據: STX,"E01","802E","2E",ETX,"FF"  // 發出讀PLC 802EH地址處連續2EH字節數據指令（這些內容為PLC內預置參數值）  
PLC應答    字節數: 0008, 數據: STX,'2','0','2','0','F','4','0' // PC機讀入PLC 802EH地址處連續2EH字節數據  
PLC應答    字節數: 0008, 數據: '9','F','F','0','B','F','4','0'  
PLC應答    字節數: 0008, 數據: '1','E','7','0','3','6','4','0'  
PLC應答    字節數: 0008, 數據: 'E','C','7','0','E','D','C','0'  
PLC應答    字節數: 0008, 數據: 'E','F','F','0','E','9','0','0'  
PLC應答    字節數: 0008, 數據: '1','F','E','0','3','0','0','0'  
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0'  
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0'  
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0'  
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0'  
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0'  
PLC應答    字節數: 0008, 數據: '0','0','0','0','0',ETX,"E5"  

PC機發送   字節數: 0001, 數據: ENQ                            // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                            // PLC應答（已收到）   

PC機發送   字節數: 0013, 數據: STX,"E00","0E06","02",ETX,"E5" // 發出讀PLC 0E06H地址處一字數據指令（這些內容為PLC內預置參數值）  
PLC應答    字節數: 0008, 數據: STX,"1000",ETX,"C4"            // PC機讀入PLC 0E06H地址處一字數據  
------------------------------------------------------------------------------------------- 
// 讀入PLC中已有程序 
------------------------------------------------------------------------------------------- 
PC機發送   字節數: 0001, 數據: ENQ                            // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                            // PLC應答（已收到）  
PC機發送   字節數: 0013, 數據: STX,"E01","805C","2E",ETX,"00"  // 發出讀PLC 805CH地址處連續2EH字節數據指令 
PLC應答    字節數: 0008, 數據: STX,'0','2','2','4','0','3','C' // PC機讀入PLC 805CH地址處連續2EH字節數據  
PLC應答    字節數: 0008, 數據: '5','0','F','0','0','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F'  
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F',ETX,"5C"  
------------------------------------------------------------------------------------------- 
// 讀入結束 
------------------------------------------------------------------------------------------- 
PC機發送   字節數: 0001, 數據: ENQ                             // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）   
PC機發送   字節數: 0010, 數據: STX,'E','7','7','6','0','E',ETX,"61" 
PLC應答    字節數: 0001, 數據: ACK                              
------------------------------------------------------------------------------------------- 
// 下載程序 
------------------------------------------------------------------------------------------- 
PC機發送   字節數: 0001, 數據: ENQ                             // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）   
PC機發送   字節數: 0025, 數據: STX,"E11","805C","06",'0','2','2','4','0','3','C','5','0','F','0','0',ETX,"69"  
                                                              // PC機發出寫PLC 805CH地址處連續06H字節（3步程序）數據指令 
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）   
------------------------------------------------------------------------------------------- 
// 下載結束 
------------------------------------------------------------------------------------------- 
PC機發送   字節數: 0001, 數據: ENQ                            // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                            // PLC應答（已收到）   
PC機發送   字節數: 0010, 數據: STX,'E','8','7','6','0','E',ETX,"62" 
PLC應答    字節數: 0001, 數據: ACK  
PC機發送   字節數: 0001, 數據: ENQ  
PLC應答    字節數: 0001, 數據: ACK  
PC機發送   字節數: 00ENQ, 數據: STX,"B",ETX,"45"  
PLC應答    字節數: 0001, 數據: ACK  
------------------------------------------------------------------------------------------- 
// 檢驗程序 
------------------------------------------------------------------------------------------- 
PC機發送   字節數: 0001, 數據: ENQ  
PLC應答    字節數: 0001, 數據: ACK  
PC機發送   字節數: 0013, 數據: STX,"E01","805C","06",ETX,"EF"           // 發出讀PLC 805CH地址處連續06H字節數據指令 
PLC應答    字節數: 0008, 數據: STX,'0','2','2','4','0','3','C','5','0','F','0','0',ETX,"7C"  
                                                                       // PC機讀入PLC 805CH地址處連續06字節數據  
------------------------------------------------------------------------------------------- 
// 結束下載 
------------------------------------------------------------------------------------------- 


-------------------------------------------------------------------------------------------
RS232C接口，通訊波特率 9600，7，e，1 。  
PC機(設置為FX1N)向停止運行的FX1N正常下載3步程序。
-------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: ENQ                           // PC機發出通信請求
PLC應答    字節數: 0001, 數據: ACK                           // PLC應答（已收到）  
PC機發送   字節數: 0011, 數據: STX,"0","0E02","02",ETX,"6C"  // 查詢PLC 0E02H地址數據字（PLC型號）
PLC應答    字節數: 0008, 數據: STX,"62","66",ETX,"D7"        // PLC返回"6266",代表PLC型號FX1N

PC機發送   字節數: 0001, 數據: ENQ                           // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                           // PLC應答（已收到）  

PC機發送   字節數: 0013, 數據: STX,"E00","01C0","01",ETX,"DD" // 查詢PLC 01C0H地址數據字節（FX1N運行狀態）  
PLC應答    字節數: 0006, 數據: STX,"0A",ETX,"74"              // PLC返回"0A",代表PLC暫停
                                                             // 如PLC返回"09",代表PLC運行

PC機發送   字節數: 0001, 數據: ENQ                           // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                           // PLC應答（已收到）  

PC機發送   字節數: 0011, 數據: STX,"0","0E02","02",ETX,"6C"  // 再次查詢PLC 0E02H地址數據字（PLC型號）
PLC應答    字節數: 0008, 數據: STX,"62","66",ETX,"D7"        // PLC返回"6266",代表PLC型號FX1N

PC機發送   字節數: 0001, 數據: ENQ                             // PC機發出通信請求 
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）   

PC機發送   字節數: 0013, 數據: STX,RTC,"8000","2E",ETX,"E8"    // 發出讀PLC 8000H地址處連續2EH字節數據指令（這些內容為PLC內預置參數值） 
PLC應答    字節數: 0008, 數據: STX,'0','8','0','0','D','7','C' // PC機讀入PLC 8000H地址處連續2EH字節數據 
PLC應答    字節數: 0008, 數據: '9','0','0','0','0','0','0','0'
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2'
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0','2','0','2' 
PLC應答    字節數: 0008, 數據: '0','2','0','2','0',ETX,"CE" 

PC機發送   字節數: 0013, 數據: STX,"E01","802E","2E",ETX,"FF"  // 發出讀PLC 802EH地址處連續2EH字節數據指令（這些內容為PLC內預置參數值） 
PLC應答    字節數: 0008, 數據: STX,'2','0','2','0','F','4','0' // PC機讀入PLC 802EH地址處連續2EH字節數據 
PLC應答    字節數: 0008, 數據: '9','F','F','0','B','F','4','0' 
PLC應答    字節數: 0008, 數據: '1','E','7','0','3','6','4','0' 
PLC應答    字節數: 0008, 數據: 'E','C','7','0','E','D','C','0' 
PLC應答    字節數: 0008, 數據: 'E','F','F','0','E','9','0','0' 
PLC應答    字節數: 0008, 數據: '1','F','E','0','3','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','0','0','0','0','0','0','0' 
PLC應答    字節數: 0008, 數據: '0','0','0','0','0',ETX,"E5" 

PC機發送   字節數: 0001, 數據: ENQ                            // PC機發出通信請求
PLC應答    字節數: 0001, 數據: ACK                            // PLC應答（已收到）  

PC機發送   字節數: 0013, 數據: STX,"E00","0E06","02",ETX,"E5" // 發出讀PLC 0E06H地址處一字數據指令（這些內容為PLC內預置參數值） 
PLC應答    字節數: 0008, 數據: STX,"1000",ETX,"C4"            // PC機讀入PLC 0E06H地址處一字數據 
-------------------------------------------------------------------------------------------
// 讀入PLC中已有程序
-------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: ENQ                            // PC機發出通信請求
PLC應答    字節數: 0001, 數據: ACK                            // PLC應答（已收到） 
PC機發送   字節數: 0013, 數據: STX,"E01","805C","2E",ETX,"00"  // 發出讀PLC 805CH地址處連續2EH字節數據指令
PLC應答    字節數: 0008, 數據: STX,'0','2','2','4','0','3','C' // PC機讀入PLC 805CH地址處連續2EH字節數據 
PLC應答    字節數: 0008, 數據: '5','0','F','0','0','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F','F','F','F' 
PLC應答    字節數: 0008, 數據: 'F','F','F','F','F',ETX,"5C" 
-------------------------------------------------------------------------------------------
// 讀入結束
-------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: ENQ                             // PC機發出通信請求
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）  
PC機發送   字節數: 0010, 數據: STX,'E','7','7','6','0','E',ETX,"61"
PLC應答    字節數: 0001, 數據: ACK                             
-------------------------------------------------------------------------------------------
// 下載程序
-------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: ENQ                             // PC機發出通信請求
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）  
PC機發送   字節數: 0025, 數據: STX,"E11","805C","06",'0','2','2','4','0','3','C','5','0','F','0','0',ETX,"69" 
                                                              // PC機發出寫PLC 805CH地址處連續06H字節（3步程序）數據指令
PLC應答    字節數: 0001, 數據: ACK                             // PLC應答（已收到）  
-------------------------------------------------------------------------------------------
// 下載結束
-------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: ENQ                            // PC機發出通信請求
PLC應答    字節數: 0001, 數據: ACK                            // PLC應答（已收到）  
PC機發送   字節數: 0010, 數據: STX,'E','8','7','6','0','E',ETX,"62"
PLC應答    字節數: 0001, 數據: ACK 
PC機發送   字節數: 0001, 數據: ENQ 
PLC應答    字節數: 0001, 數據: ACK 
PC機發送   字節數: 00ENQ, 數據: STX,"B",ETX,"45" 
PLC應答    字節數: 0001, 數據: ACK 
-------------------------------------------------------------------------------------------
// 檢驗程序
-------------------------------------------------------------------------------------------
PC機發送   字節數: 0001, 數據: ENQ 
PLC應答    字節數: 0001, 數據: ACK 
PC機發送   字節數: 0013, 數據: STX,"E01","805C","06",ETX,"EF"           // 發出讀PLC 805CH地址處連續06H字節數據指令
PLC應答    字節數: 0008, 數據: STX,'0','2','2','4','0','3','C','5','0','F','0','0',ETX,"7C" 
                                                                       // PC機讀入PLC 805CH地址處連續06字節數據 
-------------------------------------------------------------------------------------------
// 結束下載
-------------------------------------------------------------------------------------------