Siemens SINUMERIK 840D sl Equipment Manual page 28

Connecting
5.1 Pin assignment of the interfaces
Table 5-1
USB sticks
If you want to connect a USB flash drive to the USB interface, you can use a USB flash drive of
any memory size. It must, however, meet the following minimum requirements:
• File system: FAT16 or FAT32
• Partitioning: only in PC partition format (MBR)
USB sticks that deviate from these requirements have not been tested and may not be
recognized by the NCU.
I/O USB interface
All signals required for connecting operator panel fronts, with the exception of the display
interface, are assigned to this interface.
Associated interface cable:
Connector type:
28
Assignment of the USB interface
Type A socket Pin
1
2
3
4
Name Type
P5V_fused V
Data-
B
Data+
GND V
K1
2 x 13-pin socket connector
Equipment Manual, 12/2022, A5E50751046B AA
Remark
+ 5 V (fused)
Data -
Data +
Ground (reference potential)
Operator panel front: OP 010S