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Chapter 3 Deployment CPU 21x-2BS03
Manual VIPA System 200V
3-16
HB97E - CPU - RE_21x-2BS03 - Rev. 15/16
The MMC (
M
e
m
ory
C
ard) serves as external transfer and storage medium.
There may be stored several projects and sub-directories on a MMC
storage module. Please regard that your current project is stored in the root
directory and has one of the following file names:
•
S7PROG.WLD
•
S7PROGF.WLD
•
AUTOLOAD.WLD
With
File
>
Memory Card File > New
in the Siemens SIMATIC manager a
new wld file may be created. After the creation copy the blocks from the
project blocks folder and the
System data
into the wld file.
The transfer of the application program from the MMC into the CPU takes
place depending on the file name after an overall reset or PowerON.
•
S7PROG.WLD
is read from the MMC after overall reset and transferred
into the battery buffered RAM.
•
S7PROGF.WLD
is read from the MMC after overall reset and
transferred into the battery buffered RAM and additionally into the Flash
memory. An access to the Flash memory only takes place at empty
battery of the buffer and when no MMC with user program is plugged-in.
•
AUTOLOAD.WLD
is read after PowerON from the MMC and transferred
into the battery-buffered RAM .
During the transfer the "MC" LED blinks. Please regard that your user
memory serves for enough space, otherwise your user program is not
completely loaded and the SF LED gets on. Execute a compression before
the transfer, for this does not happen automatically.
When the MMC has been installed, the write command stores the content
of the battery buffered RAM as
S7PROG.WLD
on the MMC and in the
internal Flash memory.
The write command is controlled by means of the block area of the
Siemens SIMATIC manager
PLC
>
Copy RAM to ROM
. During the write
process the "MC"-LED of the CPU is blinking. When the LED expires the
write process is finished.
If this project is to be loaded automatically from the MMC with PowerON,
you have to rename this on the MMC to
AUTOLOAD.WLD
.
After a MMC access, an ID is written into the diagnostic buffer of the CPU.
To monitor the diagnosis entries, you select
PLC
>
Module Information
in
the Siemens SIMATIC manager. Via the register "Diagnostic Buffer" you
reach the diagnosis window.
Information about the Event-IDs can be found at "VIPA specific diagnostic
entries".
Transfer via
MMC
Transfer
MMC
→
→
→
→
CPU
Transfer
CPU
→
→
→
→
MMC
Transfer control