Usb Interface - Siemens SIMATIC PC Adapter USB Manual

Hardware Design of the PC Adapter USB
4.5

USB interface

Interface pin assignments
Top view of the USB socket:
Description of signals
Pin no.
1
2
3
4
Caution
!
Operating several USB devices on your PC may effect the data transmission rates. To
obtain optimum communication performance with the automation system, disconnect USB
devices that are not required.
4-6
Signal
+5V Power supply
-Data - Differential signal
+ Data + Differential signal
Ground Ground
PC Adapter USB
A5E01134250-01