4.12 Overall reset
During the overall reset the entire user memory is erased. Data located in the memory
card is not affected. You have 2 options to initiate an overall reset:
n
Overall reset by means of the operating mode switch
n
Overall reset by means of the Siemens SIMATIC Manager
You should always establish an overall reset to your CPU before loading
an application program into your CPU to ensure that all blocks have been
cleared from the CPU.
4.12.1
Overall reset by means of the operating mode switch
1.
Your CPU must be in STOP mode. For this switch the operating mode switch of the
CPU to STOP.
ð
Status bar:
2.
Switch the operating mode switch to MR position for about 3 seconds.
ð
The yellow LED blinks with 1Hz
and changes from repeated
blinking to permanently on.
3.
Place the operating mode switch in the position STOP and switch it to MR and
quickly back to STOP within a period of less than 3 seconds.
ð
The overall reset is carried out. Here the yellow LED blinks with 2Hz
.
4.
The overall reset has been completed when the yellow LED is on permanently
.
4.12.2
Overall reset by means of the Siemens SIMATIC Manager
For the following proceeding you must be online connected to your CPU.
1.
For an overall reset the CPU must be switched to STOP state. You may place the
CPU in STOP by the menu command
‘PLC
è
Operating mode’
.
2.
You may request the overall reset by means of the menu command
‘PLC
è
Clean/Reset’
.
ð
A dialog window opens. Here you can bring your CPU in STOP state, if not
already done, and start the overall reset. During the overall reset the yellow
LED of the status bar blinks with 2Hz
. The overall reset has been
completed when the yellow LED is on permanently
.
4.12.3
Actions after the overall reset
If there is a VSC memory card from VIPA plugged, after an overall reset the according
functionalities are automatically activated.
Chap. 4.15 ‘Deployment storage media -
Overview
Proceeding
Proceeding
Activating functionalities
by means of a VSC
VIPA System MICRO
Deployment CPU M13-CCF0000
Overall reset > Actions after the overall reset
HB400 | CPU | M13-CCF0000 | en | 18-50
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