3 609 929 B61/2008-09 | SE352/SE352M
Bosch Rexroth AG
23
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USB host interfaces (X3U1, X3U2)
These interfaces are designed as type A
sockets. They fulfill the requirements in USB
specification 2.0.
Fig. 4: USB socket, type A
USB device interface (X3U3)
This interface is intended for the connection
of a PC for programming and
parameterization. It is designed as a type B
socket. It is also compatible with USB 2.0
(maximum data rate of 3 Mbit/s).
Fig. 5: USB socket, type B
Tab. 2: X3U1, X3U2 assignment
Pin Signal
Description/
function
Voltage/
current
1
VCC
5 V supply
5 V= /
0.5 A
2
USB_Data–
Send USB data
3
U Receive USB
data
4
GND
Reference po-
tential for all volt-
ages
PE poten-
tial
1
2
3
4
Tab. 3: X3U3 assignment
Pin Signal
Description/
function
Voltage/
current
1
USB_S_VBUS 5 V supply
from PC acti-
vates the in-
terface
5 V= /
0.5 A
2
USB_S_Data–
Send USB
data
3
USB Receive USB
data
4
GND
Reference po-
tential for all
voltages
PE poten-
tial
1
2
4
3