User Manual

OBID
®
classic-pro Installation ID CPR74
FEIG ELECTRONIC GmbH Page 13 of 20
CPR74-Manual M60610-
0e.docx
5. Power supply
The reader ID CPR74-SCUSB with 4 SAM slots is designed as a “Self-Powered USB Device” and
needs an additional 5 V DC power supply.
The power supply must meet the following specification:
+5 V DC ± 5 %
Ripple:
0...250 kHz < 10 mVpp
from 250 kHz < 0,1 mVpp
Note:
 On both device variants you need to take care that the voltage supply of the USB port is
not connected in the case if an external power supply is connected.
5.1. Power via USB Interface
The reader ID CPR74-CUSB (without SAM-Sockets) can be optional powered via a High Powered
USB port (500mA).
5.2. Standby- / Wake-up-by-Card-Mode
The Standby mode or the Wake-up-by-Card function can be configured in the reader configura-
tion. See system manual „H60410-xe-ID-B.pdf“.
NOTICE:
 The reader can be set into the Standby mode or the Wake-up-by-Card mode with the
command 0x64 System Reset, see system manual H60410-xe-ID-B. The command can be
executed via the RS232-TTL interface only and not via the USB interface.