http://down.ymmfa.com/?id=364这份手册你仔细看,有做MODBUS从站和MODBUS主站时的样例程序
在11章节,如下图:
还有,以后要说完整型号,FX3U带ADP字样的,有蛮多型号的,比如:
FX3U-3A-ADP
FX3U-4AD-ADP
FX3U-4AD-PT-ADP
FX3U-4AD-PTW-ADP
FX3U-4AD-PNK-ADP
FX3U-CF-ADP
FX3U-TC-ADP
FX3U-4DA-ADP
FX3U-ENET-ADP
FX3U-2HSY-ADP
FX3U-4HSX-ADP
FX3U-232ADP
FX3U-232ADP-MB
FX3U-485ADP
FX3U-485ADP-MB