BECKHOFF CU8870-0000 - Manual (Page 9)

Installation
CU8870-0000 7
3.2 Power Supply
The CF card reader does not need any additional power supply. The power supply (5 V DC) is realized by the USB
connector. The LED P10 lights green when power supply is connected.
3.2.1 Power consumption
The power consumption of the device depends on the CF media plugged in the reader. The table shows the values.
media state current consumption power consumption
None Standby 2 mA 10 mW
CF card Idle 1 mA 5 mW
CF card Access 20 mA 100 mW
3.2.2 UL requirements
Danger
To meet the UL requirements, the USB hub CU8800-0000 must not be connected to
unlimited power sources!