Power-On And Boot-Up; Nc And Plc Memory Reset - Siemens SINUMERIK 840D sl Commissioning Manual

Requirements for commissioning

3.4 Power-On and boot-up

3.4 Power-On and boot-up
3.4.1

NC and PLC memory reset

SVC/NCK and PLC rotary switches
The NCU has two rotary switches in the lower section of the front panel.
Meaning of the settings at the rotary switch SVC/NCK:
Switch position
The settings on the PLC switch have the same meaning as for a SIMATIC S7-CPU:
Switch position
34
NC operating mode
0 Normal power-up of the NC
1 Power-up of the NC with preset values (= general reset)
2 Power-up of the NC with preset values; after powering up, the PLC is in RUN.
7 Debug mode (NC is not started)
8 IP address of the NCU is displayed on the seven-segment display
All others Not relevant
Operating mode of the PLC
0 RUN
1 RUN (protected mode)
2 STOP
3 Memory reset (MRES)
All others Not relevant
CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA