Siemens SIMATIC PG 720 P Manual page 97

Connecting an You can connect an external keyboard to your PG 720. The connector has the
External Keyboard
following pinout:
Figure 8-3
PinNo.
1
2
3
4
5
6
PG 720 P Programming Device
C79000-G7076-C721-02
View of the socket connector
Connector Pinout for an External Keyboard
Designation
Data line, keyboard
Data line, trackball
0V
Current-limited 5V power supply
Clock line, keyboard
Clock line, trackball
Hardware Information
Input/Output
Input/output
Input/output
–
Output
Input/output
Input/output
8-9