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class="publicWidth pageLocation"> <a href="/" class="title1">首頁</a> >><a href="/list/?167.html">NF社區</a> >><a href="/list/?262_1.html">行業快訊</a> </div> <div class="publicWidth articleDetails"> <h1 id="article-title"> 兩路溫度控制器說明 </h1> <div class="inforArticle"> <span class="author"> <strong>作者：</strong>?？滤? <strong>來源：</strong>網絡 <strong>發布：</strong> 2013-1-17 13:28:35 </span> <span class="fontsize">[<a href="javascript:articleSize('16','30')">大</a>] [<a href="javascript:articleSize('14','24')">中</a>] [<a href="javascript:articleSize('12','21')">小</a>]</span> </div> <div id="article" class="word"> <div align="left">1．傳送界面：<font face="Times New Roman">RS-485</font></div><div align="left">2．出廠波特率為<font face="Times New Roman">1200</font><font face="宋體">，出廠表號為</font><font face="Times New Roman">63H(99)</font><font face="宋體">。</font></div><div align="left">3．傳輸數據格式為：<font face="Times New Roman">1</font><font face="宋體">位起始位，</font><font face="Times New Roman">8</font><font face="宋體">位數據位（最高位為</font><font face="Times New Roman">0</font><font face="宋體">），</font><font face="Times New Roman">1</font><font face="宋體">位停止位，無奇偶校驗。</font></div><div align="left">4．通訊碼：<font face="Times New Roman">ASCLL</font><font face="宋體">碼。</font></div><div align="left">5<font face="宋體">．錯誤偵測方式：</font><font face="Times New Roman">BCC</font><font face="宋體">異或校驗。</font></div><div align="left">6<font face="宋體">．要接收或發送的數據表示方法：二進制補碼。</font></div><div align="left">7<font face="宋體">．通訊格式：</font></div><div align="left">寫入控制器和從控制器的讀出都為<font face="Times New Roman">13</font><font face="宋體">字節的長度。</font></div><div align="left">EOT <font face="宋體">表號路號 </font><font face="Times New Roman">R/W </font><font face="宋體">參數名數據 </font><font face="Times New Roman">ETX BCC</font></div><div align="left">1 2 1 1 2 4 1 1 <font face="宋體">總共</font><font face="Times New Roman">13</font><font face="宋體">字節。</font></div><div align="left">l EOT <font face="宋體">為</font><font face="Times New Roman">ASCLL</font><font face="宋體">的</font><font face="Times New Roman">4</font><font face="宋體">號。為</font><font face="Times New Roman">1</font><font face="宋體">個字節</font></div><div align="left">l 表號每臺控制器的地址，范圍為<font face="Times New Roman">01H-63H(1-99)</font><font face="宋體">，其中</font><font face="Times New Roman">63H(99)</font><font face="宋體">為出廠表號， </font></div><div align="left">62H(98)<font face="宋體">為統一表號（對每個控制器都適合，見附錄</font><font face="Times New Roman">[2]</font><font face="宋體">），不要將正在使用的控制器設置成這兩個表號，以免誤操作。為</font><font face="Times New Roman">2</font><font face="宋體">個字節。</font></div><div align="left">l 路號每臺控制器內有<font face="Times New Roman">2</font><font face="宋體">路，路號為</font><font face="Times New Roman">1</font><font face="宋體">和</font><font face="Times New Roman">2</font><font face="宋體">，如果為</font><font face="Times New Roman">1</font><font face="宋體">，則對該控制器的第一路進行操作，如若為</font><font face="Times New Roman">2</font><font face="宋體">，則對該控制器的第</font><font face="Times New Roman">2</font><font face="宋體">路進行操作，為</font><font face="Times New Roman">1</font><font face="宋體">個字節。</font></div><div align="left">l R/W <font face="宋體">為命令字，如果為</font><font face="Times New Roman">R,</font><font face="宋體">則為讀命令，如果為</font><font face="Times New Roman">W,</font><font face="宋體">則為寫命令，為</font><font face="Times New Roman">1</font><font face="宋體">個字節。</font></div><div align="left">l 參數名控制器內的參數，都有獨立的代碼，詳細見附錄<font face="Times New Roman">[1]</font><font face="宋體">。</font><font face="Times New Roman">2</font><font face="宋體">個字節。</font></div><div align="left">l 數據要讀出或者寫入的控制器的數據，如果為讀命令，則數據可為任意。 <font face="Times New Roman">4</font><font face="宋體">個字節。</font></div><div align="left">l ETX <font face="宋體">為</font><font face="Times New Roman">ASCLL</font><font face="宋體">的</font><font face="Times New Roman">3</font><font face="宋體">號。</font><font face="Times New Roman">1</font><font face="宋體">個字節。</font></div><div align="left">l BCC <font face="宋體">校驗碼，為前面</font><font face="Times New Roman">12</font><font face="宋體">個字節的異或。</font><font face="Times New Roman">1</font><font face="宋體">個字節。</font></div><div align="left">8<font face="宋體">．通訊范例：</font></div><div align="left">l 將<font face="Times New Roman">14H(20)</font><font face="宋體">號的控制器的第一路設定值改成</font><font face="Times New Roman">03E8H(100.0</font><font face="宋體">攝氏度</font><font face="Times New Roman">)</font><font face="宋體">。</font></div><div align="left">EOT 04H</div><div align="left">表號 <font face="Times New Roman">31H 34H </font></div><div align="left">(<font face="宋體">將</font><font face="Times New Roman">14H</font><font face="宋體">分成兩字節為</font><font face="Times New Roman">1</font><font face="宋體">和</font><font face="Times New Roman">4</font><font face="宋體">，它們的</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼分別為</font><font face="Times New Roman">31H</font><font face="宋體">和</font><font face="Times New Roman">34H)</font><font face="宋體">。</font></div><div align="left">路號 <font face="Times New Roman">31H</font></div><div align="left">R/W 57H (W<font face="宋體">的</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼為</font><font face="Times New Roman">57H)</font><font face="宋體">。</font></div><div align="left">參數名 <font face="Times New Roman">30H 34H</font></div><div align="left"> (<font face="宋體">設定值的參數代碼為</font><font face="Times New Roman">04H,</font><font face="宋體">所以</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼就是</font><font face="Times New Roman">30H,34H)</font></div><div align="left">數據 <font face="Times New Roman">30H 33H,45H,38H</font></div><div align="left"> (<font face="宋體">數據為</font><font face="Times New Roman">03E8H</font><font face="宋體">，所以</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼就是</font><font face="Times New Roman">30H,33H,45H,38H)</font></div><div align="left">ETX 03H</div><div align="left">BCC 18H</div><div align="left">(<font face="宋體">從</font><font face="Times New Roman">EOT(04H)</font><font face="宋體">一直到</font><font face="Times New Roman">ETX(03H)</font><font face="宋體">的異或。</font></div><div align="left">上位機需送出的<font face="Times New Roman">HEX</font><font face="宋體">為</font><font face="Times New Roman">04H 31H 34H 31H 57H 30H 34H 30H 35H 45H 38H 03H 18H</font><font face="宋體">。</font></div><div align="left">如果正確，則控制器會回傳原數據即<font face="Times New Roman">04H 31H 34H 31H 57H 30H 34H 30H 35H 45H 38H 03H 18H</font><font face="宋體">給上位機。</font></div><div align="left">如果不正確，控制器將參數名變成<font face="Times New Roman">63H(ASCLL</font><font face="宋體">為</font><font face="Times New Roman">36H 33H</font>),<font face="宋體">數據變成附錄</font><font face="Times New Roman">[1]</font><font face="宋體">出錯參數所提示的數據，</font><font face="Times New Roman">BCC</font><font face="宋體">重新校驗，回傳給上位機。</font></div><div align="left">l 將<font face="Times New Roman">14H(20)</font><font face="宋體">號的控制器的第二路測量值讀出。</font></div><div align="left">EOT 04H</div><div align="left">表號 <font face="Times New Roman">31H 34H </font></div><div align="left">(<font face="宋體">將</font><font face="Times New Roman">14H</font><font face="宋體">分成兩字節為</font><font face="Times New Roman">1</font><font face="宋體">和</font><font face="Times New Roman">4</font><font face="宋體">，它們的</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼分別為</font><font face="Times New Roman">31H</font><font face="宋體">和</font><font face="Times New Roman">34H)</font><font face="宋體">。</font></div><div align="left">路號 <font face="Times New Roman">32H</font><font face="宋體">（第二路）</font></div><div align="left">R/W 52H (R<font face="宋體">的</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼為</font><font face="Times New Roman">52H)</font><font face="宋體">。</font></div><div align="left">參數名 <font face="Times New Roman">30H 31H</font></div><div align="left"> (<font face="宋體">測量值的參數代碼為</font><font face="Times New Roman">01H,</font><font face="宋體">所以</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼就是</font><font face="Times New Roman">30H,31H)</font></div><div align="left">數據 <font face="Times New Roman">30H 30H,30H,30H</font></div><div align="left"> (<font face="宋體">數據補足為</font><font face="Times New Roman">0000H</font><font face="宋體">，所以</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼就是</font><font face="Times New Roman">30H,30H,30H,30H)</font></div><div align="left">ETX 03H</div><div align="left">BCC 63H</div><div align="left">(<font face="宋體">從</font><font face="Times New Roman">EOT(04H)</font><font face="宋體">一直到</font><font face="Times New Roman">ETX(03H)</font><font face="宋體">的異或。</font></div><div align="left">上位機需送出的<font face="Times New Roman">HEX</font><font face="宋體">為</font><font face="Times New Roman">04H 31H 34H 32H 52H 30H 31H 30H 30H 30H 30H 03H 63H</font><font face="宋體">。</font></div><div align="left">如果正確，則控制器會回傳數據即<font face="Times New Roman">04H 31H 34H 32H 52H 30H 31H 46H 43H 31H 38H 03H 63H</font><font face="宋體">。數據為</font><font face="Times New Roman">46H 43H 31H 38H,</font><font face="宋體">十六進制即為</font><font face="Times New Roman">FF18H,</font><font face="宋體">為補碼，化成十進制為</font><font face="Times New Roman">-100.0</font><font face="宋體">。所以測量值為</font><font face="Times New Roman">-100.0</font><font face="宋體">。</font></div><div align="left">如果不正確，控制器將參數名變成<font face="Times New Roman">63H(ASCLL</font><font face="宋體">為</font><font face="Times New Roman">36H 33H</font>),<font face="宋體">數據變成附錄</font><font face="Times New Roman">[1]</font><font face="宋體">出錯參數所提示的數據，</font><font face="Times New Roman">BCC</font><font face="宋體">重新校驗，回傳給上位機。</font></div><div align="left">l 將<font face="Times New Roman">14H(20)</font><font face="宋體">號的控制器的波特率修改為</font><font face="Times New Roman">2400</font><font face="宋體">，表號修改為</font><font face="Times New Roman">15H(21)</font><font face="宋體">。</font></div><div align="left">EOT 04H</div><div align="left">表號 <font face="Times New Roman">31H 34H </font></div><div align="left">(<font face="宋體">將</font><font face="Times New Roman">14H</font><font face="宋體">分成兩字節為</font><font face="Times New Roman">1</font><font face="宋體">和</font><font face="Times New Roman">4</font><font face="宋體">，它們的</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼分別為</font><font face="Times New Roman">31H</font><font face="宋體">和</font><font face="Times New Roman">34H)</font><font face="宋體">。</font></div><div align="left">路號 <font face="Times New Roman">32H</font><font face="宋體">（</font><font face="Times New Roman">31H</font><font face="宋體">或者</font><font face="Times New Roman">32H</font><font face="宋體">都可以）</font></div><div align="left">R/W 57H (W<font face="宋體">的</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼為</font><font face="Times New Roman">57H)</font><font face="宋體">。</font></div><div align="left">參數名 <font face="Times New Roman">30H 30H</font></div><div align="left"> (<font face="宋體">波特率和表號參數代碼為</font><font face="Times New Roman">00H,</font><font face="宋體">所以</font><font face="Times New Roman">ASCLL</font><font face="宋體">碼就是</font><font face="Times New Roman">30H,30H)</font></div><div align="left">數據 <font face="Times New Roman">30H 32H,31H,35H</font></div><div align="left"> (<font face="宋體">高位數據</font><font face="Times New Roman">02H,</font><font face="宋體">即波特率為</font><font face="Times New Roman">2400</font><font face="宋體">，低位數據為</font><font face="Times New Roman">15H,</font><font face="宋體">即表號，所以</font></div><div align="left">ASCLL<font face="宋體">碼就是</font><font face="Times New Roman">30H,32H,31H,35H)</font></div><div align="left">ETX 03H</div><div align="left">BCC 61H</div><div align="left">(<font face="宋體">從</font><font face="Times New Roman">EOT(04H)</font><font face="宋體">一直到</font><font face="Times New Roman">ETX(05H)</font><font face="宋體">的異或。</font></div><div align="left">上位機需送出的<font face="Times New Roman">HEX</font><font face="宋體">為</font><font face="Times New Roman">04H 31H 34H 32H 57H 30H 30H 30H 32H 31H 35H 03H 61H</font><font face="宋體">。</font></div><div align="left">如果正確，則控制器會按原波特率回傳原數據給上位機，然后修改本身的波特率。</div><div align="left">如果不正確，控制器將參數名變成<font face="Times New Roman">63H(ASCLL</font><font face="宋體">為</font><font face="Times New Roman">36H 33H</font>),<font face="宋體">數據變成附錄</font><font face="Times New Roman">[1]</font><font face="宋體">出錯參數所提示的數據，</font><font face="Times New Roman">BCC</font><font face="宋體">重新校驗，回傳給上位機。</font></div><div align="left">附錄<font face="Times New Roman">[1] </font><font face="宋體">參數代碼</font></div><div align="left">00H:<font face="宋體">波特率和表號，可對表號和波特率進行讀寫，數據高位為波特率</font><font face="Times New Roman">,</font><font face="宋體">數據范圍為</font><font face="Times New Roman">0-6 (00H-->300,01H-->1200,02H-->2400,03H-->4800,04H-->9600,05H-->19200,06H-->38400),</font><font face="宋體">低位為表號，數據范圍為</font><font face="Times New Roman">01H-63H</font><font face="宋體">。</font></div><div align="left">01H:<font face="宋體">測量值讀</font><font face="Times New Roman">,</font><font face="宋體">有小數點；</font></div><div align="left">02H:<font face="宋體">自整定讀寫</font><font face="Times New Roman">,</font><font face="宋體">數據范圍為</font><font face="Times New Roman">0-1</font><font face="宋體">，每次只能啟動一路自整定。 </font></div><div align="left">03H:<font face="宋體">關閉</font><font face="Times New Roman">/</font><font face="宋體">打開控制，數據范圍為</font><font face="Times New Roman">0-1</font><font face="宋體">，可打開或者關閉第一路或者第二路。</font></div><div align="left">04H:<font face="宋體">設定值讀寫，有小數點，數據范圍為全量程。 </font></div><div align="left">05H:<font face="宋體">測量值修正讀寫，有小數點，數據范圍為</font><font face="Times New Roman">-10.0-10.0</font><font face="宋體">。 </font></div><div align="left">06H:<font face="宋體">比例帶讀寫，有小數點，數據范圍為</font><font face="Times New Roman">0-</font><font face="宋體">滿量程。</font></div><div align="left">07H:<font face="宋體">積分時間讀寫，數據范圍為</font><font face="Times New Roman">0-3600</font><font face="宋體">秒。 </font></div><div align="left">08H:<font face="宋體">微分時間讀寫，數據范圍為</font><font face="Times New Roman">0-3600</font><font face="宋體">秒。</font></div><div align="left">09H:<font face="宋體">積分限幅讀寫，有小數點，數據范圍為</font><font face="Times New Roman">0-100.0</font><font face="宋體">。 </font></div><div align="left">0AH:<font face="宋體">控制周期讀寫，數據范圍為</font><font face="Times New Roman">1-100</font><font face="宋體">。 </font></div><div align="left">0BH:<font face="宋體">濾波系數讀寫，數據范圍為</font><font face="Times New Roman">0-255</font><font face="宋體">。 </font></div><div align="left">10H:<font face="宋體">密碼鎖讀寫，數據范圍為</font><font face="Times New Roman">0-2</font></div><div align="left">29H:<font face="宋體">參數初始化寫命令，可將以上參數恢復成出廠參數。</font></div><div align="left">63H:<font face="宋體">出錯參數，如果讀或者寫出錯，將參數代碼變成</font><font face="Times New Roman">63H,</font><font face="宋體">返回的數據如下，顯示錯誤情況。</font></div><div align="left">0000H: 一般錯誤<font face="Times New Roman">; </font> 0001H: 上溢出<font face="Times New Roman">; </font></div><div align="left">0002H: 下溢出<font face="Times New Roman">; </font> 0003H: 該路關閉<font face="Times New Roman">; </font></div><div align="left">0004H: 路數超 0005H: 無該參數<font face="Times New Roman">; </font></div><div align="left">0006H: <font face="宋體">參數數據溢出</font><font face="Times New Roman">; </font> 0007H: 空 </div><div align="left">0008H: bcc<font face="宋體">校驗出錯</font><font face="Times New Roman">; </font> 0009H: ascll<font face="宋體">字符出錯</font></div><div align="left">000Ah: 重復命令<font face="Times New Roman">;</font> 000BH: <font face="宋體">無效命令</font></div><div align="left">附錄<font face="Times New Roman">[2] </font><font face="宋體">關于統一表號，出廠表號和波特率</font></div><div align="left">如果不知道某個控制器的表號，這個時候可以使用統一表號<font face="Times New Roman">62H(98),</font><font face="宋體">即表號的</font><font face="Times New Roman">HEX</font><font face="宋體">為</font><font face="Times New Roman">36H 32H</font><font face="宋體">，例如上位機發送 </font><font face="Times New Roman">04H 36H 32H 32H 57H 30H 30H 30H 32H 31H 35H 05H 30H</font><font face="宋體">，即表示將該控制器的表號修改為</font><font face="Times New Roman">15H(31H 35H),</font><font face="宋體">波特率修改為</font><font face="Times New Roman">2400</font><font face="宋體">（</font><font face="Times New Roman">30H 32H</font><font face="宋體">）。注意的是如果使用統一表號，上位機只能連一臺控制器，否則將因多臺控制器表號相同而出現錯誤。</font></div><div align="left">如果不知道某個控制器的波特率，這個時候可以使用讀波特率和地址參數代碼找到波特率，方法如下：上位機的波特率可以運用試探方法，首先為<font face="Times New Roman">300</font><font face="宋體">，如果能收到應答原數據，說明控制器的波特率就是</font><font face="Times New Roman">300</font><font face="宋體">，隔</font><font face="Times New Roman">200</font><font face="宋體">毫秒連續</font><font face="Times New Roman">3</font><font face="宋體">次沒有收到應答原數據，則說明控制器波特率不為</font><font face="Times New Roman">300</font><font face="宋體">，將上位機波特率改為</font><font face="Times New Roman">1200</font><font face="宋體">，重復上述。如此類推，一直到找到控制器波特率為止。</font></div><div align="left">出廠表號的使用主要是當設備已經連接了好幾臺控制器再需要加一臺控制器時，新控制器的表號為<font face="Times New Roman">63H(99),</font><font face="宋體">通過對該新控制器寫波特率和地址參數，將新控制器的表號改成所需要的表號。</font></div><br /><br /><font size="2"><font color="gray"> <img src="http://www.003lm.com/bbs/xwb/images/bgimg/icon_logo.png" border="0" 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