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Clearing NC Data

Condit ion 1: Clearing NC Data in NCU card

> After this steps load the NC backup before that enter password SUNRISE and then load theNC data backup.

Note: NC data clearing activity is only done during commissioning / replacement of thecard.

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Condit ion 2: Clearing NC Data through HMI Screen

> Select Menu select Soft key> After selecting Menu select soft key press Start UP soft key.

> Select NC soft key> Select Start-up Switch> On right side vertical column select Startup-modei.e Boot the NC with default values(NC restart and comes back to normal condition) Standard data will get loaded> After this steps load the NC backup before that enter password SUNRISE and then load theNC data backup.

Note: NC data clearing activity is only done during commissioning / replacement of thecard.

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Clearing PLC data:

Condition 1: PLC data in the NCU card

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After this steps load the PLC archive backup kept in the hard disk

Note: PLC data clearing activity is only done during commissioning / replacement ofthe card / Diagnosing.

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Condition 2: Clearing the PLC through SIMATIC Manager

1. Open the SIMATIC Manager

Current PLC project

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2. After opening the current PLC project.

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3. Select PLCDiagnostic/settingClear/Reset

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4. After Selecting Clear/Reset.Screen pops up with the message saying that theall user data (including the hardware configurations) are deleted and all existing

connections to the module are cleared. Select Yes

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5. After Selecting YESin the above steps. One more screen pops ups telling thatthe Resetting the memory is only permitted in STOPmode and select YESfor

carrying out the memory reset..

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6. PLC program is completely cleared in the NCU card.

Note: PLC data clearing activity is only done during commissioning / replacement ofthe card / Diagnosing.