德国倍福模块BK/BC系列beckhoff
BK1120,BK1,BK9000,BK9100,BK9105,BK9055,BK5120,BK5,BK5200,BK5220,BK5250,BK4000,BK4020,BK2000,BK2020,BK7350,BK3100,BK3120,BK3,BK9053,BK8100,BK8000,BK7500,BK7520,BC9050,BC9000,BC9020,BX9000,BC9100,BC9120,BC9,BC5,BX5200,BC7300,BC3100,BC3,BC8050,BX8000