Siemens SINAMICS S120 - Controlling Via Terminals on the Control Unit and Motor Module; Control Via Profisafe

Safety Integrated Basic Functions
10.7 Response times
Drive functions
694 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
10.7.1
Controlling via terminals on the Control Unit and Motor Module
The following table lists the response times from the control via terminals until the response
actually occurs.
Table 10- 2 Response times for control via terminals on the Control Unit and the Motor Module.
Function
Worst case for
Drive system has no fault
A fault is present
STO
2 · r9780 + t_E
1)
3 · r9780 + t_E
1)
SBC
4 · r9780 + t_E
1)
8 · r9780 + t_E
1)
SS1/SS1E (time-controlled)
Selection until STO is initiated
2 · r9780 + p9652 + t_E
1)
3 · r9780 + p9652 + t_E
1)
SS1/SS1E (time-controlled)
Selection until SBC is initiated
4 · r9780 + p9652 + t_E
1)
8 · r9780 + p9652 + t_E
1)
SS1 (time-controlled)
Selection until braking is initiated
3 · r9780 + 2 ms + t_E
1)
4 · r9780 + 2 ms + t_E
1)
1)
The following applies for t_E (debounce time of the digital input being used):
p9651 = 0
t_E = 2 · p0799 (default = 4 ms)
p9651 ≠ 0
t_E = p9651 + p0799 + 1 ms
The minimum time for t_E is t_E_min = 2 ms.
10.7.2
Control via PROFIsafe
The following table lists the response times
1)
from receiving the PROFIsafe telegram at the
Control Unit up to initiating the particular response.
Table 10- 3 Response times when controlling via PROFIsafe
Function
Worst case for
Drive system has no fault
A fault is present
STO
5 · r9780 + t_E
2)
5 · r9780 + t_E
2)
SBC
6 · r9780 + t_E
2)
10 · r9780 + t_E
2)
SS1/SS1E (time-controlled)
Selection until STO is initiated
5 · r9780 + p9652 + t_K
2)
5 · r9780 + p9652 + t_K
2)