Please use the “Reset” button only in exceptional cases, e.g. if the
operating system does not respond anymore when keypad or mouse
are used.
Data that is not saved on the hard disk or on other storage media, is
lost after a reset. The file system can also be affected negatively
(corrupt file system).
This type of reset does not back up remanent control firmware data.
If the MLC control does not operate as expected, please reboot via
the SysTray! The control is thus shut down securely and restarted.
9.4 USB interfaces XUSB1 to XUSB6
The devices are provided with six USB interfaces on the connector panel
(XUSB1/2 XUSB3/4 and XUSB5/6). There is another USB 3.0 interface in the
housing, refer to chapter 9.8 "Internal interfaces" on page 19.
XUSB1/XUSB2
each port 500 mA
XUSB3/XUSB4
each port 500 mA
XUSB5/XUSB6
each port 900 mA
Maximum
power consumption
Maximum total power
consumption without
plug-in cards: 3,8 A
Maximum total power
consumption with
plug-in cards: 1,5 A
USB 3.0
USB 2.0
USB 2.0
Fig. 9-2: Current carrying capacity of the six USB connections
①: The USB ports are monitored in pairs. If, e. g. XUSB1 switches
off, as the power consumption has been exceeded (> 500 mA),
XUSB2 switches off as well.
②: The specified 3.8 A are applied for the operation without further
5 V consumers (e. g. PCI plug-in cards). Limit the operation with
further 5 V consumers to a total power consumption of 1.5 A to
prevent that the internal power supply unit switches off accidentally.
If the maximum power consumption has been exceeded, a message
is displayed that the USB devices are disabled. The USB devices
operate again as soon as less than 500 mA current is consumed from
a USB 2.0 socket or less than 900 mA from a USB 3.0 socket.
Additionally, the USB error message in the taskbar has to be
acknowledged manually.
Connect only USB devices which comply with the noise immunity
according to the EMC directive (industrial environments). This
avoids an unintended switch-off of the control cabinet PC.
Bosch Rexroth AG
Interfaces
IndraControl VPB 40.4
16/87
DOK-MLC***-INDRACTRLV4-IT02-EN-P
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