Memory Reset On The C7 - Siemens simatic c7-621 Hardware Installation Manual

Installing and Preparing the C7

2.10 Memory Reset on the C7

Memory Reset on
The C7 must be turned off. To reset the memory of the C7 OP, follow the
the C7 OP
steps outlined below:
1. Press and hold down the following keys at the same time:
2. Turn on the power to the C7.
3. Wait until a line appears under the text FLASHTEST.
4. The C7 OP then starts up with English texts.
5. Following this the memory of the C7 OP is reset, in other words the
Note
The default configuration contained in the firmware in English remains
available and can be worked with.
Memory Reset on
A memory reset on the C7 CPU means that the C7 CPU is reinitialized, the
the C7 CPU
current user program in the RAM is deleted and any user program currently
in the flash memory of the C7 CPU is reloaded.
There are two ways of resetting the C7 CPU memory:
A memory reset using the PG function is only possible with the C7 CPU in
the STOP mode.
2-20
C7 OP is reinitialized and the entire configuration is deleted.
Memory reset using the C7 system function "C7 CPU Mode" on the C7
Memory reset using the PG function (see programming device manual)
C7-621 / C7-621 AS-i Control Systems
C79000-G7076-C621-01