Technical specifications 
  8.5 Hardware descriptions 
SIMATIC IPC627D/827D 
Operating Instructions, 09/2014, A5E32990859-AB 
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Firmware 
Firmware loader 
When to load firmware 
The CP 1616 onboard is supplied with the latest version of the firmware. If new functions 
become available due to product development, you can make them available by performing 
a firmware download.  
This section will familiarize you with the application area and use of the firmware loader. You 
can find additional, detailed information about the individual loader variants in the integrated 
help of the program. 
This refers to the system program in the SIMATIC NET modules. 
Application area for the firmware loader 
The firmware loader enables you to reload new firmware releases to SIMATIC NET modules. 
It is used for: 
●  PROFIBUS modules 
●  Industrial Ethernet modules 
●  Modules for gateways, for example, IE/PB link 
The firmware loader is available on your PG/PC under Windows following the installation of 
STEP 7/NCM PC. 
The firmware loader supports the following file types: 
●  <file>.FWL  
A file form that contains further information, which is displayed by the firmware loader. 
The firmware loader can use this information to check if the firmware is compatible to the 
device. 
Read the information provided along with the loader file, for example, in the readme file. This 
information is also displayed in the firmware loader when the FWL file is loaded.