1
Order number
2
Product version
3
Serial number
4
Write protection slider - shown disabled here.
5
Memory size
6
Designation
1
In this position the write protection is disabled - delivery state.
2
In this position, the write protection is enabled and the SD card is protected against
unintentional overwriting.
4.6 MRESET and reset to factory settings
n
The CPU is set to the
Ready
state.
n
The working memory is unloaded, but the user program remains in the overlay file
system.
n
The non-volatile memory for retentive data is deleted.
1.
Switch your CPU to STOP state.
2.
Push the operating mode switch down to position MR.
3.
Release the operating mode switch after 3 seconds and press it back to the MR
position within 3 seconds.
4.
Release the operating mode switch after 3 seconds.
ð
n
The CPU now executes a MRESET.
n
To confirm, you will receive a diagnostic message that a MRESET was exe-
cuted. You can output e.g. in iCube Engineer via
‘Notifications’
in the
‘Cockpit’
editor.
n
The overlay file system with user program, configurations, user data and firmware
adjustments is deleted.
n
The non-volatile memory for retentive data is deleted.
n
The current firmware version remains, but all changes to it are discarded.
1.
Switch off the power supply of the CPU.
2.
Press and hold the operating mode switch in position MR and switch on the power
supply of the CPU again.
3.
As soon as the LEDs show the following behavior after start-up, release the oper-
ating mode switch again:
Status
RN
ER
IO ER
PN-C ER
PN-D ER
IO DIAG
yellow 1Hz
green
red
ð
The CPU now executes a reset to
factory setting type 1
.
2
1
5
3
4
6
1
2
MRESET
Reset to factory settings
type 1
With operating mode
switch
iC9200 Series
Deployment
MRESET and reset to factory settings
HB700 | CPU | PMC921xEx | en | 23-06
71
Summary of Contents for iC9200 Series
Page 123: ...Notes Data Sheet...
