Siemens Simatic S7-300 CPU 31xC Series Installation And Operating Instructions Manual page 166

Maintenance
9.2 Backup of firmware to Micro Memory Card (MMC)
For which CPUs can I back up the firmware?
You can generate a backup copy of the the firmware as of the following CPU versions:
CPU
312
314
315-2 DP
312C
313C
313C-2 DP
313C-2 PtP
314C-2 DP
314C-2 PtP
315-2 PN/DP
317-2 DP
317-2 PN/DP
Creating a backup copy of the CPU firmware on the MMC
Table 9-1
Step
1.
2.
3.
4.
5.
6.
9-2
Order number
as of 6ES7312-1AD10-0AB0
as of 6ES7314-1AF10-0AB0
as of 6ES7315-2AG10-0AB0
as of 6ES7312-5BD00-0AB0
as of 6ES73133-5BE00-0AB0
as of 6ES73133-6CE00-0AB0
as of 6ES73133-6BE00-0AB0
as of 6ES7314-6CF00-0AB0
as of 6ES7314-6BF00-0AB0
as of 6ES7315-2EG10-0AB0
as of 6ES7317-2AJ10-0AB0
as of 6ES7317-2EJ10-0AB0
Firmware backup to MMC
Action required:
Insert a new micro memory card into the
CPU
Turn the mode selector switch to MRES
position and hold it there.
POWER OFF / POWER ON. Hold the
mode selector switch in MRES position
until ...
Mode selector switch to STOP.
Mode selector switch briefly to MRES
position, then let it return to STOP.
Remove the Micro Memory Card.
Firmware as of
V 2.0.0
V 2.0.0
V 2.0.0
V 1.0.0
V 1.0.0
V 1.0.0
V 1.0.0
V 1.0.0
V 1.0.0
V 2.3.0
V 2.1.0
V2.2.0
This happens in the CPU:
The CPU requests memory reset
-
... the STOP, RUN and FRCE LEDs start
flashing.
-
CPU starts backing up operating system
•
on the MMC.
All LEDs are lit during the backup
•
operation.
The STOP LED flashes when the backup
•
is complete to indicate that the CPU
requires a memory reset.
-
S7-300, CPU 31xC and CPU 31x: Installation
Operating Instructions, Edition 08/2004, A5E00105492-05
Required MMC
≥ in MB
2
2
4
2
2
4
2
4
2
4
4
4