Malfunctions
Malfunctions due to insufficient shielding!
NOTICE
Use only shielded cables and metallic or conductive connector or coupling
covers with large-area shield support.
Malfunctions due to too long cables!
NOTICE
Use short USB cables, if possible.
Use one of the following cables, see also
chapter 11 "Service and Support"
●
USB_A/B_EMV_3M cable; parts number: R911171414 or
●
USB_A/B_EMV_1M cable; parts number: R911171627
These cables feature additional shield connectors which are connected to the
functional earth ground connections of the control and of the VAU 01.1U. Ad‐
ditionally, the VAU 01.1U features a ferrite clamp between USB connection of
the VAU 01.1U and the bonding clip of the VAU 01.1U.
Connecting the USB cable
●
At first, attach the shield connector of the USB cable to the functional
earth ground connection (FE) of the VAU 01.1U (see ② in the following
figure).
①
USB interface
②
Shield connector of the USB cable
Fig.7-9:
Attaching the USB cable to the functional earth ground of the VAU
01.1U
Pin assignment of the USB con‐
nector
1
2
4
3
Fig.7-10:
Interface XUSB In
Pin
Function
1
USB power supply
2
Data -
DOK-SUPPL*-VAU*01.1U**-PR03-EN-P
Rexroth IndraControl VAU 01.1U UPS with USB interface
Bosch Rexroth AG
45/63
Interfaces and Wiring