Siemens SINUMERIK 840 sl Manual page 50

Diagnostics
8.2 Output functions
1. Software version output
Simultaneously press the "FEED START" and "FEED STOP" keys
The flashing of the LEDs is then suppressed and the SW version is output with three digits.
The individual digits are displayed digit-for-digit as in the following example when the keys are
held. The sequence is terminated with a dot.
①
②
③
④
Figure 8-2
Example: SW version V02.02.16.00
1.
2.
50
1st digit of the SW version
2nd digit of the SW version
3rd digit of the SW version
"FEED Start" and "FEED STOP" keys
Activating the SW version output
④
.
Machine control panel: MCP 398C
Manual, 07/2018, A5E43199783B AB