ClassicController CR0053
12
5.8 USB interface
5.8.1 Hardware requirement
The USB controller used is USB 2�0 compatible� The USB interface is provided as
a virtual COM port under Windows
(→ 6.3 Communication via USB interface)
1� Controller (55-pin connector)
2� USB connector for programming and service purposes
3� Notebook/PC
Connection controller to USB connector, permanent (≤ 3 m).
►
Position the USB connector in immediate vicinity to the controller�
The cable length "A" considerably influences the quality of the USB data
transmission�
Connection USB connector to notebook / PC, temporary
►
Use a connection cable with the designation "Full Speed/High Speed" (=
USB connection cable with twisted and screened cores)�
►
Do not make a connection using several USB connection cables�
►
Remove the connection cable after the programming or service works�
5.8.2 Short-circuit protection
NOTE
The USB interface is not protected against short circuits with a live wire outside
the following voltage ranges:
USB_P: -0�5���3�8 V DC
USB_N: -0�5���3�8 V DC
USB_5V: -0�5���10�0 V DC
A short circuit will destruct the USB interface�
