Siemens S7-300 Configuration Manual page 220

Downloading firmware
13.2 Loading from the Download Center
Load files
The firmware download functions support the following file types:
● <file>.udp or <file>.fwl
A file form that contains extra information that can be displayed by the firmware download
functions in addition to the actual firmware. Based on this information, the firmware
download function can check the firmware for compatibility with the device.
For detailed information, read the documentation, for example, the README file that ships
with the load file.
Requirement:
The "Firmware" tab exists if the following conditions are met on the CP:
● Case a: Security disabled:
– The "Firmware download via Web" option is selected;
● Case b: Security enabled:
– The "Firmware download via Web" option is selected;
– The following right is also set in the rights list: "Web: Update firmware"
Parameters / functions of the firmware download function
Parameters
Firmware status
Activated firmware
Activated on
220
Note
Module access protection
Note the settings for the module access protection of the CP. Depending on the
current protection level, write access to the CP and therefore also the activation of the
reloaded firmware can be blocked.
Function
Version of the firmware currently being used.
"Signature" button
•
Display of the digital signature stored for the firmware version. The signature allows you to
establish the genuineness of the firmware version being used. You can obtain information
about the signature information stored by Siemens for this firmware as a comparison via the
Internet in the firmware descriptions.
Date and time for activation of the firmware version currently being used.
Configuring and commissioning S7 CPs for Industrial Ethernet
Configuration Manual, 09/2013, C79000-G8976-C182-13