對于很多同學(xué)來講,在PLC編程、HMI組態(tài)中,特別是PLC通訊編程中經(jīng)常會碰到這個(gè)問題。比如標(biāo)準(zhǔn)的ASCII編碼轉(zhuǎn)換,需要對照對應(yīng)表。多年前我為了方便還自己做了文檔。比如下面這樣的:【在線工具,在二樓】
| ASCII碼 | 字符 | 
| 16進(jìn)制 | 10進(jìn)制 | 2進(jìn)制 | 
| 0x00 | 0 | 00000000 | NUL 空 | 
| 0x01 | 1 | 00000001 | SOH 標(biāo)題開始 | 
| 0x02 | 2 | 00000010 | STX  正文開始 | 
| 0x03 | 3 | 00000011 | ETX  正文結(jié)束 | 
| 0x04 | 4 | 00000100 | EOT  傳輸結(jié)束 | 
| 0x05 | 5 | 00000101 | ENQ  詢問字符 | 
| 0x06 | 6 | 00000110 | ACK  承認(rèn) | 
| 0x07 | 7 | 00000111 | BEL  報(bào)警 | 
| 0x08 | 8 | 00001000 | BS   退一格 | 
| 0x09 | 9 | 00001001 | HT   橫向制表 | 
| 0x0A | 10 | 00001010 | LF   換行 | 
| 0x0B | 11 | 00001011 | VT   垂直制表 | 
| 0x0C | 12 | 00001100 | FF   走紙控制 | 
| 0x0D | 13 | 00001101 | CR   回車 | 
| 0x0E | 14 | 00001110 | SO   移位輸出 | 
| 0x0F | 15 | 00001111 | SI   移位輸入 | 
| 0x10 | 16 | 00010000 | DLE  數(shù)據(jù)鏈路轉(zhuǎn)義 | 
| 0x11 | 17 | 00010001 | DC1  設(shè)備控制1 | 
| 0x12 | 18 | 00010010 | DC2  設(shè)備控制2 | 
| 0x13 | 19 | 00010011 | DC3  設(shè)備控制3 | 
| 0x14 | 20 | 00010100 | DC4  設(shè)備控制4 | 
| 0x15 | 21 | 00010101 | NAK  否定 | 
| 0x16 | 22 | 00010110 | SYN  空轉(zhuǎn)同步 | 
| 0x17 | 23 | 00010111 | ETB  信息組傳送結(jié)束 | 
| 0x18 | 24 | 00011000 | CAN  作廢 | 
| 0x19 | 25 | 00011001 | EM   紙盡 | 
| 0x1A | 26 | 00011010 | SUB  換置 | 
| 0x1B | 27 | 00011011 | ESC  換碼 | 
| 0x1C | 28 | 00011100 | FS   文字分隔符 | 
| 0x1D | 29 | 00011101 | GS   組分隔符 | 
| 0x1E | 30 | 00011110 | RS   記錄分隔符 | 
| 0x1F | 31 | 00011111 | US   單元分隔符 | 
| 0x20 | 32 | 00100000 | (space) | 
| 0x21 | 33 | 00100001 | ! | 
| 0x22 | 34 | 00100010 | ” | 
| 0x23 | 35 | 00100011 | # | 
| 0x24 | 36 | 00100100 | $ | 
| 0x25 | 37 | 00100101 | % | 
| 0x26 | 38 | 00100110 | & | 
| 0x27 | 39 | 00100111 | ' | 
| 0x28 | 40 | 00101000 | ( | 
| 0x29 | 41 | 00101001 | ) | 
| 0x2A | 42 | 00101010 | * | 
| 0x2B | 43 | 00101011 | + | 
| 0x2C | 44 | 00101100 | , | 
| 0x2D | 45 | 00101101 | - | 
| 0x2E | 46 | 00101110 | . | 
| 0x2F | 47 | 00101111 | / | 
| 0x30 | 48 | 00110000 | 0 | 
| 0x31 | 49 | 00110001 | 1 | 
| 0x32 | 50 | 00110010 | 2 | 
| 0x33 | 51 | 00110011 | 3 | 
| 0x34 | 52 | 00110100 | 4 | 
| 0x35 | 53 | 00110101 | 5 | 
| 36 | 54 | 00110110 | 6 | 
| 0x37 | 55 | 00110111 | 7 | 
| 0x38 | 56 | 00111000 | 8 | 
| 0x39 | 57 | 00111001 | 9 | 
| 0x3A | 58 | 00111010 | : | 
| 0x3B | 59 | 00111011 | ; | 
| 0x3C | 60 | 00111100 | < | 
| 0x3D | 61 | 00111101 | = | 
| 0x3E | 62 | 00111110 | > | 
| 0x3F | 63 | 00111111 | ? | 
| 0x40 | 64 | 01000000 | @ | 
| 0x41 | 65 | 01000001 | A | 
| 0x42 | 66 | 01000010 | B | 
| 0x43 | 67 | 01000011 | C | 
| 0x44 | 68 | 01000100 | D | 
| 0x45 | 69 | 01000101 | E | 
| 0x46 | 70 | 01000110 | F | 
| 0x47 | 71 | 01000111 | G | 
| 0x48 | 72 | 01001000 | H | 
| 0x49 | 73 | 01001001 | I | 
| 0x4A | 74 | 01001010 | J | 
| 0x4B | 75 | 01001011 | K | 
| 0x4C | 76 | 01001100 | L | 
| 0x4D | 77 | 01001101 | M | 
| 0x4E | 78 | 01001110 | N | 
| 0x4F | 79 | 01001111 | O | 
| 0x50 | 80 | 01010000 | P | 
| 0x51 | 81 | 01010001 | Q | 
| 0x52 | 82 | 01010010 | R | 
| 0x53 | 83 | 01010011 | S | 
| 0x54 | 84 | 01010100 | T | 
| 0x55 | 85 | 01010101 | U | 
| 0x56 | 86 | 01010110 | V | 
| 0x57 | 87 | 01010111 | W | 
| 0x58 | 88 | 01011000 | X | 
| 0x59 | 89 | 01011001 | Y | 
| 0x5A | 90 | 01011010 | Z | 
| 0x5B | 91 | 01011011 | [ | 
| 0x5C | 92 | 01011100 | \ | 
| 0x5D | 93 | 01011101 | ] | 
| 0x5E | 94 | 01011110 | ^ | 
| 0x5F | 95 | 01011111 | _ | 
| 0x60 | 96 | 01100000 | ` | 
| 0x61 | 97 | 01100001 | a | 
| 0x62 | 98 | 01100010 | b | 
| 0x63 | 99 | 01100011 | c | 
| 0x64 | 100 | 01100100 | d | 
| 0x65 | 101 | 01100101 | e | 
| 0x66 | 102 | 01100110 | f | 
| 0x67 | 103 | 01100111 | g | 
| 0x68 | 104 | 01101000 | h | 
| 0x69 | 105 | 01101001 | i | 
| 0x6A | 106 | 01101010 | j | 
| 0x6B | 107 | 01101011 | k | 
| 0x6C | 108 | 01101100 | l | 
| 0x6D | 109 | 01101101 | m | 
| 0x6E | 110 | 01101110 | n | 
| 0x6F | 111 | 01101111 | o | 
| 0x70 | 112 | 01110000 | p | 
| 0x71 | 113 | 01110001 | q | 
| 0x72 | 114 | 01110010 | r | 
| 0x73 | 115 | 01110011 | s | 
| 0x74 | 116 | 01110100 | t | 
| 0x75 | 117 | 01110101 | u | 
| 0x76 | 118 | 01110110 | v | 
| 0x77 | 119 | 01110111 | w | 
| 0x78 | 120 | 01111000 | x | 
| 0x79 | 121 | 01111001 | y | 
| 0x7A | 122 | 01111010 | z | 
| 0x7B | 123 | 01111011 | { | 
| 0x7C | 124 | 01111100 | | | 
| 0x7D | 125 | 01111101 | } | 
| 0x7E | 126 | 01111110 | ~ | 
| 0x7F | 127 | 01111111 | DEL  刪除 |