Power on and boot up
5.2 NCK and PLC general reset
CNC Part 1 (NCK, PLC, drive)
Commissioning Manual, 11/2006, 6FC5397-2AP10-2BA0
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5.2 NCK and PLC general reset
Introduction
On initial startup of the PLC, a general reset of the PLC has to be performed after the NCU
has been switched on and booted.
To obtain a defined output state of the complete system (NCK and PLC), the NCK must also
be deleted.
• PLC general reset
General reset puts the PLC in a defined initial state by deleting and initializing all system
and user data.
• Delete NCK data
After a request to delete NCKs, all user data is deleted and the system data is
reinitialized on the next NCK boot, e.g., after NCK Reset.
Operator input sequence steps NCK and PLC general reset for initial boot
If you want to boot the control for the first time, then the following operator input sequence
steps are to be executed for an NCK and PLC general reset:
1. On the NCU, turn the startup switch and mode selector to the following positions:
– NCK startup switch (SIM/NCK label) to "1"
– PLC mode selector (PLC label) to "3"
2. Execute a POWER ON (switch on control).
3. Wait until the NCU displays the following continuously:
– STOP LED flashes
– SF LED is lit.
4. Turn the PLC-mode selector to the following switch positions in succession:
– Briefly to "2"
– Back to "3"
LED STOP first flashes with about 2Hz and then illuminates.
5. Turn the switch for NCK and PLC back to position "0".
6. On proper completion of startup, the number "6" and a flashing dot is output on the status
display of the NCU.
– LED RUN illuminates GREEN continuously.
7. Re-execute a POWER ON.
⇒ PLC and NCK are in cyclic operation.
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