已经知道的
   字符   0           1           2        3          4         5          6          7          8        9        A         B          C          D          E        F
  
ASCII码 H30     H31      H32   H33    H34     H35    H36    H37     H38   H39    H41    H42     H43     H44    H45   H46



                    ENQ       变频器站号  指令代码    等待时间       数据       总和校验  

字符                  00                 FA                                               02                      49

ASCII码    H05          H30 H30       H46 H41                                  H30   H32         H34  H49
                                      

这行不明白                  H30+H30+H46+H41+H30+H32
                                    =H149

请问               H30+H30+H46+H41+H30+H32=H149用哪个方式加得到H149请高手详细解答 谢谢！  

16进制的加法是有16个数才进1位。
H30+H30=H60
+H46=HA6
+H41=HE7
+H30=H117
+H32=H149