Siemens PPU 26x.3 series Manual page 120

Connectable components
7.2 MCP 310 USB
Key assignment
Some of the keys are permanently pre-assigned, the remaining keys can be freely assigned.
The labeling of the permanently assigned keys is shown in brackets in the table. Keys are
designated with S1 to S39 in the following figure.
❑
The keypad with keys S22 to S24 and S31 to S39 is differently assigned for milling and turning
applications.
● Keys S22 to S24 are only preassigned for milling applications.
● You can freely assign keys S22 to S24 for turning applications.
120
These signals are inverse.
PPU and components
Manual, 10/2015, 6FC5397-2DP40-5BA3