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Diagnostics and upkeep
5.1 Loading firmware
For the CP 342-5 with firmware version V6.0.66 the speed for updating the firmware was
increased to 1.5 Mbps. Load the firmware file as follows:
• Load the firmware file only via the PROFIBUS interface (direct connection).
• When loading use the PROFIBUS connecting cable 6ES7 901-4BD00-0XA0 or an equivalent
PROFIBUS cable.
Max. length: 200 m
Note: The use of an MPI cable is not permitted.
• When loading us the Firmware Loader:
Windows Start menu > "All Programs > Siemens Automation > SIMATIC > STEP 7 > NCM S7
> Firmware Loader"
Loading with the Firmware Loader
The Firmware Loader opens with the Start dialog.
1. Click the "Next" button.
The Firmware Loader opens the "Step 1" dialog.
2. Select the firmware to be loaded from the file system of your PG/PC using the "Browse"
button.
The selected file with supplementary information is displayed in the Firmware Loader.
After selecting the firmware file click "Next".
The Firmware Loader opens the "Step 2" dialog.
3. As the interface via which you want to load the firmware on the CP select the option
"PROFIBUS direct" and click "Next".
The Firmware Loader opens the dialog "Step 3".
4. Check the configuration of the PG/PC.
Click the "Modify" button to set the access point of the application and the interface
parameter assignment in the "Set PG/PC Interface" diaöog.
The "Set PG/PC interface" dialog opens.
Make the following settings for the access point of the application and the interface
parameter assignment of the PC CP:
– CP 342-5 (5DA03): FWL_FAST_LOAD
Confirm the changes with "OK".
5. Check the settings.
Click "Next".
The Firmware Loader opens the dialog "Step 4".
6. Note the specifications of point 1 ... 6 in the dialog for step 4 of the Firmware Loader!
42
This profile "FWL_FAST_LOAD" is supported as of SIMATIC STEP 7 V5.5 SP1.
Equipment Manual, 01/2023, C79000-G8976-C146-11
CP 342-5
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