发表于:2004/3/30 0:22:00
#0楼
在下下载了《三菱FX系列PLC编程口通信协议举例》其中:
30H+31H+30H+46H+36H+30H+34H+03H=74H为和校验,但不明白74H怎计算转换为37H,34H 请各位大侠能说明一下吗?
在下为一名初学者。···········谢谢···················
30H+31H+30H+46H+36H+30H+34H+03H=74H为和校验,但不明白74H怎计算转换为37H,34H 请各位大侠能说明一下吗?
在下为一名初学者。···········谢谢···················