http://down.ymmfa.com/?id=364這份手冊你仔細看,有做MODBUS從站和MODBUS主站時的樣例程序
在11章節,如下圖:
還有,以后要說完整型號,FX3U帶ADP字樣的,有蠻多型號的,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