A General Reset Is Separately Performed For The Nc And Plc - Siemens SINUMERIK 840D sl Commissioning Manual

Requirements for commissioning
3.4 Power-On and boot-up
Result
The NC has now been generally reset and is in the following state:
● NC
– The user data is deleted.
– The system data is initialized.
– The standard machine data is loaded.
● PLC
The general reset places the PLC in a defined initial state:
– The user data has been deleted (data and program blocks).
– The system data blocks (SDB) have been deleted.
– The diagnostics buffer and the MPI parameters have been reset.
The "RUN" LED illuminates. NC and PLC are in cyclic operation.
Note
PLC general reset
If a general PLC reset is performed using a power-on reset, then the user data must again be
transferred to the PLC, e.g. via a programming device (PG).
After the PLC general reset, no PLC start is performed and at least the following alarm issued:
● Alarm: "2001 PLC not booted"
The alarms have no influence on the next steps.
3.4.2

A general reset is separately performed for the NC and PLC

General reset of the NC
Carry out the following actions to perform an NC general reset:
1. Turn the NCK commissioning switch on the front of the NCU to position "1".
2. Initiate a power on reset by switching-off the control system and switching-on again – or by
pressing the reset button on the front of the NCU (labeled "RESET"). The system is shut
down and is restarted with the request for a general reset of the NC.
3. After the system has booted, turn the NCK commissioning switch back to position "0".
Effect:
– The number "6" and a flashing point are output on the 7-segment display on the front of
– LED "RUN" lights up.
36
the NCU.
CNC Commissioning: NC, PLC, Drive
Commissioning Manual, 12/2019, A5E48312804B AA