Siemens SINAMICS S150 - Response Times; Response Times Safety Integrated Basic Functions

System Features
3.5 Response times
Safety Integrated
48 Function Manual, 05/2010, A5E03264275A
3.5 Response times
3.5.1 Response times Safety Integrated Basic Functions
The Basic Functions are executed in the monitoring clock cycle (p9780). PROFIsafe
telegrams are evaluated in the PROFIsafe scan cycle, which corresponds to twice the
monitoring clock cycle (PROFIsafe scan cycle = 2 × r9780).
Controlling Basic Functions via terminals on the Control Unit and Motor/Power Module
The following table lists the response times from the control via terminals until the response
actually occurs.
Table 3- 1 Response times for control via terminals on the Control Unit and the Motor/Power Module.
Function Typical Worst case
STO 2 x r9780 + p0799 4 x r9780 + p0799
SBC
5)
4 x r9780 + p0799 8 x r9780 + p0799
SS1 (time controlled)
Selection until braking is initiated 2 x r9780 + p0799 + 2 ms 4 x r9780 + p0799 + 2 ms
Controlling Basic Functions via Profisafe
The following table lists the response times from receiving the PROFIsafe telegram on the
Control Unit up to initiating the response.
Table 3- 2 Response times when controlling via PROFIsafe
Function Typical Worst case
STO 5 x r9780 5 x r9780
SBC
5)
4 x r9780 10 x r9780
SS1 (time controlled)
Selection until STO is initiated 5 x r9780 + p9652 5 x r9780 + p9652
SS1 (time controlled)
Selection until SBC is initiated 6 x r9780 + p9652 10 x r9780 + p9652
SS1 (time controlled)
Selection until braking is initiated 2 x r9780 + p0799 + 2 ms 4 x r9780 + p0799 + 2 ms