Deleting The C7-Cpu Memory / Overall Reset Of C7-Op - Siemens SIMATIC C7-621 Manual

04/99
Select the operating mode STOP by pressing
If a password has not yet been entered, the system requests one. When the C7 is shipped, the
password is preset to 100. Enter the digits 100 via the numeric keypad and confirm your input with
ENTER. Select the operating mode STOP again.

Deleting the C7-CPU memory / Overall reset of C7-OP

Before you load a project into the CPU for the first time, you must make sure the C7-621-AS-i is in a
neutral state. To do this, you must delete both integrated C7 flash memories and then restart the C7-621-
AS-i. To delete the C7 flash memories, proceed as follows:
Deleting C7-CPU memory:
In the SIMATIC Manager select the Accessible Nodes icon
open the folders MPI=2 and Blocks by double-clicking on them .
Mark all OBs, FBs, FCs and DBs. Delete the marked objects from the C7-CPU. You have now
deleted the load memory of the C7-CPU.
Mark the folder MPI=2 and copy the contents of the load memory into the C7-CPU flash memory via
PLC → Save RAM to ROM. You have now deleted the integrated CPU flash memory.
Close the Accessible Nodes window .
Overall reset of C7-OP:
Switch off the power supply of the C7-621-AS-i.
ESC
Now press the
keep these keys depressed,
and switch on the power supply.
Do not release the keys until the message "Flash Test" appears in the display. After the startup tests, the
idle message is displayed and the overall reset of the C7-OP too is complete.
Getting Started with C7-621-AS-i
and and keys simultaneously,
F3
. The STOP LED lights up.
. In the window which appears,
Program Generation
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