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1、目錄1.引言..........................................................................................................11.1儀表通訊及命令............................................................................11.2儀表基本構(gòu)成與通訊命令的關(guān)系................................................22.接線.....
2、.....................................................................................................32.1RS232接口的儀表與計算機的接線............................................32.2RS485接口的儀表與計算機的接線............................................42.3關(guān)于JR485轉(zhuǎn)換器..............................
3、..........................................43.通訊接口要素..........................................................................................54.儀表的版本號..........................................................................................65.校驗核.............................
4、.........................................................................76.一般儀表命令集詳解..............................................................................86.0關(guān)于命令集......................................................................................86.1讀版本號命令.......
5、.........................................................................106.2讀主測量值命令............................................................................106.3讀其它測量值命令........................................................................116.4讀模擬量輸出值及開關(guān)量輸入輸出狀態(tài)命令.....
6、.......................126.5輸出模擬量命令.............................................................................136.6輸出開關(guān)量命令.............................................................................14目錄·i·6.7讀儀表參數(shù)符號命令.......................................................
7、.............156.8讀儀表參數(shù)命令............................................................................166.9設(shè)置儀表參數(shù)命令........................................................................167.巡檢儀通訊命令集.............................................................................
8、...187.0關(guān)于命令集..............................................................
