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Profisafe Available For Profinet

22 November 2005

PROFIBUS International (PI) has released PROFIsafe V2 mode for use on PROFIBUS DP and PROFINET IO. A uniform profile has been specified that is available for safety applications with PROFIBUS and PROFINET.

The V2 mode is compatible with previously released versions profiles on PROFIBUS DP limited V1 mode and permits mixed operation on PROFIBUS networks. The goal in developing the PROFIsafe V2 mode was to develop a uniform profile for both PROFIBUS and PROFINET platforms that can be used in all markets including production automation, drive technology and motion control as well as process automation.

The previous black channel principle has been maintained. The safety layer is independent of the communication system and also includes the backplane buses of PLC and field devices. PROFIsafe in V2 mode takes into account the special properties of Ethernet networks, such as the expanded address space and active network components, such as switches.

As an open concept for safety-related applications, PROFIsafe implements the user requirement for coexistence of standard and safety communications on one cable. It can be used for safety applications to category 4 or SIL3. A positive TÜV concept assessment for the V2 mode is available in the mean time.

The corresponding tests from BGIA have also been completed to a large extent. There is a PROFIsafe driver for F devices certified by TÜV for facilitating the development of safe field devices.

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