Device description
4.7.3 Grounding
Caution!
The functional ground (ground connection)
must be connected to the central grounding
point (e.g. control cabinet or system) via the
shortest possible path with the lowest possi-
ble resistance and with the largest possible wire
cross section. This type of grounding is manda-
tory for proper functionality.
For example, a copper strip must be attached to the ground connection at a central grounding point of the control
cabinet or system in which the device is installed. The wire cross section should be as large as possible (at least
4.0 mm²).
4.7.4 USB interfaces
Notice!
Possible damage to USB interfaces or USB devices!
•
USB peripheral devices can be connected to the USB interfaces. Due to the variety of USB
devices available on the market, B&R cannot guarantee their functionality. The functionality of
USB devices available from B&R is ensured.
•
Because of general PC specifications, these USB interfaces should be handled with extreme
care with regard to EMC, cable routing, etc.
The Power Panel has a USB 3.0 host controller with 2 USB interfaces:
USB interfaces
Standard
USB 3.0
Variant
Type A, female
Quantity
2
Low speed (1.5 Mbit/s)
Full speed (12 Mbit/s)
High speed (480 Mbit/s)
Transfer rate
SuperSpeed (5 Gbit/s)
Current-carrying capacity
1)
Max. 1 A per interface
Cable length
USB 2.0
Max. 5 m (without hub)
USB 3.0
Max. 3 m (without hub)
-
1)
USB interface IF4
2)
USB interface IF5
1)
Each USB interface is protected by a maintenance-free USB current-limiting switch (max. 1 A).
Assigning the USB interfaces
The USB interfaces can be independently assigned to either the controller or terminal:
Interface
Default assignment
Alternative assignment
IF4
AR Embedded (controller)
Terminal
IF5
Terminal
AR Embedded (controller)
Using the USB interfaces
Depending on the assignment, the USB interfaces can be used as follows:
Assignment
Usage
Technology Guard
AR Embedded (controller)
USB storage medium (e.g. flash drive)
USB storage medium with system image for updating the terminal system (see
).
USB keyboard
1)
Terminal
USB mouse
1)
1)
USB keyboard and/or USB mouse are automatically recognized by the terminal.
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Power Panel C80 User's manual V1.02
