BR-Automation Automation PC 820, User Manual, Page: 44 / 252

44
Technical data • Entire device
Automation PC 820 User's Manual V 1.00
2.6.4 USB interfaces
The APC820 devices have a USB 2.0 (Universal Serial Bus) host controller with multiple USB
ports, two of which are on the outside for easy access.
USB 1, 2, 3, 4
Warning!
Peripheral USB devices can be connected to the USB interfaces. Due to the vast
number of USB devices available on the market, B&R cannot guarantee their
performance. B&R does ensure the performance of all USB devices that they
provide.
Important!
Because of general PC specifications, this interface should be handled with extreme
care with regard to EMC, location of cables, etc.
Universal Serial Bus (USB1, USB2, USB3, USB4)
Transfer rate Low speed (1.5 MBit/s), Full speed (12
MBit/s) to High speed (480 Mbit/s)
4 x USB type A, female
Power Supplies
1)
USB1, USB3
USB2, USB4
1) For safety, every USB port is equipped with a maintenance free "USB current-limiting circuit breaker" (max. 500 mA or 1 A).
Max. 1 A
Max. 500 mA
Maximum
cable length
5 m (without hub)
Table 17: USB1, USB2, USB3, USB4 connection
USB1 USB2
USB3
USB4