Siemens Industry Online Support
Siemens AG
Entry type: Product note Entry ID: 109768664, Entry date: 06/26/2019

Sales and delivery release for CP 1616/CP 1604 firmware V2.5.2 & V2.6.2 & V2.7.2

  • Entry
  • Associated product(s)
The firmware V2.5.2 & V2.6.2 & V2.7.2 for CP 1616 and CP 1604 is now available for download.

1. Product description 

Drivers and IO Base software for CP 1616 and CP 1604 as PROFINET IO controller and IO device under Linux and Windows in source code for porting to any PC-based operating systems

  • Interface to PROFINET IO controller (RT and IRT): Connection of field devices to the PC via PROFINET IO using real-time communication in accordance with the PROFINET standard
  • Interface to PROFINET IO device (RT and IRT): Connection of the PC to a PROFINET IO controller using real-time communication in accordance with the PROFINET standard

The software can be used for the operation and upgrading of any number of CP 1616 and CP 1604 modules.


Security is supported with versions V2.5.2 & V2.6.2 & V2.7.2.


Security fixes and improvements

Correction of SSA-559174: Multiple vulnerabilities in CP 1604 and CP 1616 devices



You can update the CP1604/CP1616 firmware using the following links:


 Registrierung notwendig  V02p05p02.zip (3.5 MB) 

 Registrierung notwendig  V02p06p02.zip (3.5 MB)

 Registrierung notwendig  V02p07p02.zip (111.0 MB)



2. Ordering data 

Product name

Order number

CP 1616

6GK1 161-6AA02

CP 1604

6GK1 160-4AA01

CP 1604 EEC

6GK1 160-4AT01



3. Target application

The Development Kit DK-16xx PN IO permits the simple integration of the CP 1616 and CP 1604 PROFINET modules in any operating system environments with a standard PCI slot or PCI-104 interface.

The kit contains the required source code including the descriptions in PDF format.

The CP 1616 and CP 1604 enable connection to PROFINET.

High-performance control tasks can be implemented using the CP 1616 and CP 1604 (Soft Control, Numeric Control, Robot Control, Motion Control).    

Security information
In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
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