How to load new firmware
9.3 Downloading Siemens firmware
CP 343-1 ERPC
68 Manual, 03/2010, C79000-G8976-C239-02
9.3 Downloading Siemens firmware
Requirements
You download new firmware to a SIMATIC NET CP using the firmware loader shipped with
STEP 7 / NCM S7.
Requirements for downloading
● To download firmware, you require an Industrial Ethernet CP module in the PG/PC (for
example, CP 1613) or a normal Ethernet module with the “Softnet" software package.
● The S7ONLINE interface must be set to the "ISO - Industrial Ethernet" protocol. It is not
possible to download using TCP/IP (and therefore not to other networks).
How to download new firmware
You always start the download using the MAC address of the CP set in the factory!
LED display of the download status
The different combinations of the LEDs on the front panel indicate the download status:
SF
(red)
BF
(red)
RUN
(green)
STOP
(yellow)
Download status of the CP
Downloading firmware.
Firmware was successfully downloaded.
Firmware could not be downloaded.
Legend - meaning of the symbols:
Symbol
Status ON (steady light) OFF Flashing
Restarting the CP
After downloading the firmware, restart the S7 station with the CP by cycling power.
What to do if a download is interrupted
Disturbances or collisions on the network can lead to packets being lost. In such cases, this
can lead to an interruption of the firmware download. The firmware loader then signals a
timeout or negative response from the module being loaded. In this case, turn the station off
and on again and repeat the download.
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