Safe Stop 1 (Ss1) And Safe Brake Control (Sbc) - Siemens Sinamics G120 Function Manual

System properties
8.5 Response times after selection
8.5.3

Safe Stop 1 (SS1) and Safe Brake Control (SBC)

The response time of the SS1 function is the time between selecting the SS1 function and the
STO function becoming active.
Response times when selected via PROFIsafe
Figure 8-3
Table 8-6
Function Selection
SS1
SBC
Bus cycle time: Time for cyclic data exchange via PROFINET
1)
T = p9652
2)
376
Response times when selected via PROFIsafe
Response times when using the basic functions
Response
via
PROFIBUS STO is ac‐
tive
PROFINET
PROFIBUS Signal
change at
PROFINET
the output
of the Safe
Brake Relay
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Response time
Worst case for a fault-free in‐
verter
14 ms + T
2)
14 ms + T + bus cycle time
2)
16 ms + T
2)
16 ms + T + bus cycle time
2)
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Worst case for an inverter fault
14 ms + T
2)
14 ms + T + bus cycle time
1) 2)
30 ms + T
2)
30 ms + T + bus cycle time
1) 2)
1)
1)