Siemens SINUMERIK 840D sl Manual page 24

Interfaces
4.3 Machine control panels
X302
The X302 interface is designed as a "high powered interface" with max. 500 mA, 5 V. The
connection between the keyboard and operator panel is established via X302.
Connector designa‐
tion:
Table 4-1
X303 A/B
These interfaces are used for the connection of simple USB extensions such as a USB mouse
or USB keyboard. They are designed as "low powered interface" with max. 100 mA, 5 V.
Connector designa‐
tion:
Table 4-2
Table 4-3
24
X302; USB-B connector, 4-pin
Assignment of connector X302
Pin Signal name
1 P5
2 USB_DM0
3 USB_DP0
4 M
X303 A/B; USB connector type A, 4-pin
Assignment of connector X303 A
Pin Signal name
A1 1P5
A2 USB_DM2
A3 USB_DP2
A4 M
Assignment of connector X303 B
Pin Signal name
B1 2P5
B2 USB_DM3
B3 USB_DP3
B4 M
Signal type
V
for external USB device
B
V
Signal type
V
for external USB device
B
V
Signal type
V
for external USB device
B
V
Manual, 02/2015, 6FC5397-4FP40-0BA0
Meaning
+ 5 V power supply
Data -; channel 0
Data +; channel 0
Ground
Meaning
+ 5 V power supply
Data -; channel 2
Data +; channel 2
Ground
Meaning
+ 5 V power supply
Data -; channel 3
Data +; channel 3
Ground
ERGOline Stage 3