Siemens SINUMERIK 840C - Page 775

11 Data Backup/CPU Replacement 01.99
11.1.8 CPU replacement
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Start CPU replacement
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Yes
Steps 1 to 7
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Time
and date
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After MMC CPU replacement
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Steps 8 to 66
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No
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PLC CPU replacement
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NCK CPU replacement
Forced booting
NCK ”Power on”
Loading PLC
user data
Position for
normal operation
PLC general reset
Steps 11 to 15
Steps 30 to 31
Steps 33 to 35
Step 37
Loading
standard data TEA1
Loading NC
user data
Loading cycles
machine data
Formatting NCK UM
Steps 15 to 19
Steps 23 to 29
Steps 32 to 36
Steps 64 to 66
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End of general reset
END OF SECTION
11–16
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SINUMERIK 840C (IA)