Siemens SIMATIC S7-1500 System Manual page 138

Installation of the firmware update
Impermissible plant states possible
Due to the installation of the firmware update, the CPU enters the STOP mode, which can
impact the operation of an online process or a machine.
Unexpected operation of a process or a machine can lead to fatal or severe injuries and/or
to material damages.
Ensure before installing the firmware update, that the CPU is not executing any active
process.
Procedure using STEP 7
Proceed as follows to perform an online firmware update via STEP 7:
1. Select the CPU or the module in the device view.
2. Select the "Online & diagnostics" command from the shortcut menu.
3. In the "Functions" folder, select the "Firmware update" group.
4. In the "Firmware update" area, click the "Browse" button to select the path to the firmware
5. Select the matching firmware file. The table in the firmware update area lists all modules
6. Click the "Run update" button. If the selected file can be interpreted by the module, the
Updating the firmware
The "Run firmware after update" check box is always selected.
After a successful loading process the CPU includes imports the firmware and subsequently
operates with the new firmware.
S7-1500 Automation System
System Manual, 02/2014, A5E03461182-AB
WARNING
For a CPU, you can select whether you want to update the CPU or the CPU's display.
update files.
for which an update is possible with the selected firmware file.
file is downloaded to the module. If the operating mode of the CPU needs to be changed
for this purpose, you will be prompted to do this by means of dialogs.
Maintenance
10.4 Firmware update
137