BECKHOFF CX2020 - Manual (Page 29)

Mounting and wiring
3.8 USB connections
USB interface (X100 / X101 / X102 / X103):
The CX20x0 has 4 independent USB interfaces, for connecting keyboards, mice, touchscreens and other
input or data storage devices. Attention is thereby to be paid to the power consumption of the individual
devices: No more than 500 mA can be output per port.
The USB socket is a type A socket. The USB interface complies with the USB 2.0 specification.
Pin Assignment Typical assignment
1 VBUS Red
2 D­ White
3 D+ Green
4 GND Black
Shell Shield Drain Wire
CX2020, CX2030, CX2040 29 Version 1.2