6.2.4 Assigning F-destination addresses, address type 1
The F-target addresses of the F-I/O from PROFIsafe address type 1 are assigned to the module
using a DIL switch. Information on how you can set the F-destination address for F-I/O using
DIL switches is provided in the documentation for the F-I/O.
Unique PROFIsafe addresses
To ensure safe communication, unique PROFIsafe addresses are required throughout the
CPU and the network.
The F-I/O of PROFIsafe address type 1 is uniquely addressed by its F-destination address (e.g.
using the position of the address switch) (see Chapter "Checking the PROFIsafe address
(Page 226)").
The F-destination address (and therefore also the position of the address switch) of the F-I/O
must be unique for the entire F-I/O throughout the network and the CPU (system-wide). The F-
I/O of PROFIsafe address type 2 should be taken into account.
See the help for SIMATIC Safety at:
● DIL switch setting
● Special considerations when configuring the F-system
● Recommendation for allocating PROFIsafe addresses
● PROFIsafe addresses for F-I/O of PROFIsafe address type 1
● Configurations supported by the SIMATIC Safety F-safety
● Completeness and correctness of the hardware configuration
6.2.5 Assigning F-destination addresses, address type 2
For the F-I/O of PROFIsafe address type 2, you can adapt the F-destination address in the
module properties - and then use command "Assign F-destination address".
Unique PROFIsafe addresses
To ensure safe communication, unique PROFIsafe addresses are required throughout the
CPU and the network.
F‑I/O of PROFIsafe address type 2 is uniquely addressed using a combination of F-source
address ("Basis for PROFIsafe addresses of the assigned F-CPU" parameter) and F-
destination address.
The combination of F-source address and F-destination address for each F-I/O must be unique
throughout the network and CPU (system-wide). In addition, the F-destination address must
not be occupied by F-I/O of PROFIsafe address type 1.
To ensure that addresses are unique across F-CPUs for supported configurations, you must
ensure that the parameter "Basis for PROFIsafe addresses" is unique for all F-CPUs in the
network*. This is achieved by having different settings for the "Basis for PROFIsafe addresses"
parameter of the F-CPUs.
Commissioning and configuring
6.2 Configuring safety-relevant components
Safety Integrated (with SINAMICS S120)
224 Commissioning Manual, 02/2020, A5E46305916B AB
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