Diagnostics and upkeep
7.7 Memory reset / reset to factory defaults
CP 443-1 (EX30)
Manual, 03/2019, C79000-G8976-C255-05
69
How to download new firmware
You can download the firmware via both interfaces of the CP.
Note
Operation with CPU version < V6.0
Remember that the CPU with version < V6.0 changes to STOP during downloading of the
firmware if you are using PROFINET IO comm
unication.
Follow the steps outlined below:
1. Connect the CP module to the PG/PC via a LAN cable.
2. Start the download on your PG/PC using one of the firmware download functions
described above.
The download involves two stages:
– Section 1: Downloading firmware
– Section 2: Activating firmware
You will find the LED displays in the section LEDs (Page 33)
If the download is aborted, RUN and STOP flash alternately.
3. After the firmware download, the CP goes through a warm restart.
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. En entry is made in the
diagnostics buffer. The CP restarts with the firmware that existed before the aborted
download.
Repeat the download using the active MAC address after the CP has started up again.
If you cannot start the download again following an aborted attempt, you should turn off the
entire rack and turn it on again. You can then restart the firmware download.
Memory reset / reset to factory defaults
The CP has a two level function available for resetting:
● Memory reset
● Resetting to factory settings
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