04.96 6 Startup, Flowcharts
6.1 Restart after failure or replacement of the central service board
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Startup
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B
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General reset mode
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PLC general reset
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Forced boat
NCK PLC
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End of general reset mode
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General reset mode
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PLC general reset
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End of general reset mode
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Ready
6.2 Saving the PLC program on the hard disk of the MMC
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Area switchover
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Ready
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Diagnosis
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Startup
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General reset
mode
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Save PLC
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Yes
© Siemens AG 1992 All Rights Reserved 6FC5197- AA60 6–3
SINUMERIK 840C (IA)