Siemens SIMATIC 627B Operating Instructions Manual page 166

Detailed descriptions
16.1 Motherboard
Pin assignment of the internal USB interface connector, X43
Pin no.
1
2
3
4
5
6
7
8
9
10
164
Short description Meaning
VCC 3.3V +3.3V, fused
VCC 5V + 5 V, fused
USB3 USB3_M
USB5 USB5_M
USB3 USB3_P
USB5 USB5_P
GND Ground
GND Ground
GND Ground
GND Ground
Input / output
Output
Output
Input / output
Input / output
Input / output
Input / output
–
–
–
–
SIMATIC Box PC 627B
Operating Instructions, 06/2008, A5E00927393-02