DS200IQXDG1AAA工控DCS係統_廈門阿米控技術有限公司

產品標題: DS200IQXDG1AAA工控DCS係統模塊卡件

型號： DS200IQXDG1AAA

品牌： GE

產品詳情資料：

DS200IQXDG1A DS200IQXDG1AAA

答復：? 字節計數是從2到250（含）的二進制數。它是正常響應中字節計數之後和錯誤檢查之前的字節數。注意，字節計數等於響應中返回的寄存器數的兩倍。設置了***多250字節（125）的寄存器，以便整個響應可

以容納一個256字節的數據塊。? 寄存器在數據字段中按數字順序返回，在數據字段的前兩個字節中有***數量的寄存器，在***兩個字節內有數量的寄存器。數據字段中***個寄存器的編號等於起始寄存器編號加1。在每個寄存器的低位字節之前發送高位字節。查詢：? 不允許地址為0，因為此請求不能是廣播請求。? 功能代碼等於4。? 起始模擬輸入號的長度為兩個字節。起始模擬輸入數可以是小於所連接CPU中可用的模擬輸入數的任何值。它等於該請求的正常響應中返回的***個模擬輸入的數量的1。

產品英文詳情料:

Response: ? The byte count is a binary number from 2 to 250 inclusive. It is the number of bytes in the normal response following the byte count and preceding the error check. Note that the byte count is equal to two times the number of registers returned in the response. A maximum of 250 bytes (125) registers is set so that the entire response can fit into one 256-byte data block. ? The registers are returned in the Data field in order of number with the lowest number register in the first two bytes and the highest number register in the last two bytes of the Data field. The number of the first register in the Data field is equal to the Starting Register Number plus one. The high order byte is sent before the low order byte of each register.Query: ? An Address of 0 is not allowed as this request cannot be a broadcast request. ? The function code is equal to 4. ? The Starting Analog Input Number is two bytes in length. The Starting Analog Input Number may be any value less than the highest analog input number available in the attached CPU. It is equal to one less than the number of the first analog input returned in the normal response to this request.

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