Safe Torque Off (Sto) And Safe Brake Control (Sbc) - Siemens Sinamics G120 Function Manual

System properties
8.5 Response times after selection
8.5.2

Safe Torque Off (STO) and Safe Brake Control (SBC)

The response time of the STO function is the time between selecting the function and the
function becoming active.
Response times when selected via PROFIsafe
Figure 8-1
Table 8-2
Function Selection
STO
SBC
Bus cycle time: Time for cyclic data exchange via PROFINET
1)
Table 8-3
Function Selection
STO
SBC
Bus cycle time: Time for a cyclic data exchange via PROFINET.
1)
374
Response times when selected via PROFIsafe
Response times when using the basic functions
Response
via
PROFIBUS STO is active
PROFINET
PROFIBUS Signal change at
the output of the
PROFINET
Safe Brake Relay
Response times when using the extended functions
Response
via
PROFIBUS STO is active
PROFINET
PROFIBUS Signal change at
the output of the
PROFINET
Safe Brake Relay
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Response time
Worst case for a fault-free
inverter
14 ms
14 ms + bus cycle time
1)
16 ms
16 ms + bus cycle time
1)
Response time
Worst case for a fault-free
inverter
54 ms
54 ms + bus cycle time
1)
56 ms
56 ms + bus cycle time
1)
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
Worst case for an inverter
fault
14 ms
14 ms + bus cycle time
1)
30 ms
30 ms + bus cycle time
1)
Worst case for an inverter
fault
56 ms
56 ms + bus cycle time
1)
62 ms
62 ms + bus cycle time
1)