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Loading the firmware with the online functions of STEP 7 via Ethernet
Note
Duration of the firmware update
Downloading a new firmware file can take several minutes.
Always wait until the completion of the firmware update can be recognized from the LEDs
(see below).
Requirements:
• The CPU of the station is accessible via Ethernet.
• The engineering station and the CPU are located in the same subnet.
• The new firmware file is stored on your engineering station.
• The engineering station is connected to the network.
• The relevant STEP 7 project is open on the engineering station.
Procedure:
1. Select the station that you want to update with a new firmware.
2. Enable the online functions using the "Connect online" icon.
3. In the "Connect online" dialog, select the Ethernet interface in the "Type of PG/PC interface"
list box.
4. Select the CPU of the station.
5. Click on "Start search" to search for the module in the network and to specify the connection
path.
When the module is found it is displayed in the table.
6. Connect using the "Connect" button.
The "Connect online" wizard guides you through the remaining steps in installation.
7. Select the CPU in the network view and select the "Online & Diagnostics" shortcut menu
(right-click).
8. In the navigation panel of the Online & Diagnostics view, select the entry "Functions >
Firmware update".
9. Using the "Browse" button (parameter group "Firmware loader") search for the new
firmware file in the file system of the engineering station.
10. Start to download the firmware with the "Start update" button when the correct version of
the signed firmware is displayed in the "Status" output box.
You will find further information on the online functions in the STEP 7 information system.
Loading the firmware via the SD card
You can find detailed information on using an SD card in the S7-1500 System Manual, see
section Documentation (Page 9), Documentation guide.
SIMATIC CP 1542-5
Equipment Manual, 01/2023, C79000-G8976-C326-05
Diagnostics and maintenance
5.2 Maintenance
39
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