Technical data
  Safety Integrated Functions in 
SINAMICS Drive Systems 
  6.7 Control via PROFIsafe 
Connection of the SINAMICS S120 to the Technology CPU 
Product Information, 09/2011, A5E00480378-04 
207 
Communication between SINAMICS S120 drive and TF-CPU 
The following figure illustrates the PROFIdrive and PROFIsafe communication between the 
TF-CPU and drive. In this case, both the PROFIdrive and the PROFIsafe message frames 
are sent and received via the PROFIBUS-DP connection (DRIVE). 
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Figure 6-4  Communication between the SINAMICS S120 drive and the TF-CPU via PROFIBUS DP (DRIVE) 
Table 6- 7  Key 
Icon  Meaning 
1  PROFdrive actual value message frame / setpoint message frame 
2  PROFsafe status / control 
You can find information on commissioning a configuration with a CPU 31xTF-2DP and 
SINAMICS S120 with safety functions in Getting Started "CPU 317TF-2 DP - Controlling 
SINAMICS S120 with Safety Functions". 










