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Bosch Rexroth AG
Interfaces and Wiring
7.3.3
Wiring of the VAU 01.1U, Cable Lengths and Cable Cross-Sections
7.4
Interface XUSB In
7.4.1
General Information
Cable type for XUSB In
24 V
power supply unit
I
Fig.7-6:
Wiring the VAU 01.1U
Cable length l
Cross-sections indicated in mm
1 m to 7 m
2.50 (AWG13)
8 m to 10 m
4.00 (AWG11)
Fig.7-7:
Required cable cross-sections for the DC 24 V voltage supply de‐
pending on cable length and output power when wired firmly
The following data applies if the load changes immediately
caused by connecting or disconnecting loads at the VAU 01.1U:
Cable length I: Maximum 2 m with minimum 5 mm
cross-section.
Cable length II: Maximum 2 m with minimum 2.5 mm
cross-section.
During the connection of a VAU 01.1U to an USB interface at a PC, the infor‐
mation regarding the existence as well as the state of the VAU 01.1U are
communicated to the PC via a USB connection. The communication is estab‐
lished via a virtual COM interface provided by the USB interface.
The electrical properties of the XUSB In interface correspond to the proper‐
ties of the standard USB interface.
The driver for the VAU 01.1U has to be installed.
Permitted cable lengths
Cable type
Maximum current consumption
Fig.7-8:
Cable type XUSB In
DOK-SUPPL*-VAU*01.1U**-PR03-EN-P
Rexroth IndraControl VAU 01.1U UPS with USB interface
UPS
X1S1
X1S2
XUSB In
2
when wired firmly
0.5 m
1 m
3 m (maximum length)
Shielded, cross-section min. 2 x 0.08 mm
(AWG28),
2 x 0.25 mm
(AWG24)
2
200 mA
PC
X1S1 (X10)
XUSB
II
2
(AWG10)
2
(AWG13)
2
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