Siemens Sinamics S110 Function Manual page 378

Safety Integrated Functions
8.5 Safety Integrated Extended Functions
By contrast to SLS limit parameters, this parameter specifies limits on the motor side instead
of limits on the load side.
● r9733[0] = p9531[x] * p9533; x = selected SLS stage
● r9733[1] = - p9531[x] * p9533; x = selected SLS stage
r9733 is used, for example, for transmitting values to a higher-level control, which can then,
for example, adjust traversing speeds to the SLS levels. r9733 is a part of the Safety Info
Channel (SIC).
Changeover of SLS limits
The changeover is controlled binary-coded via two F-DIs or two PROFIsafe control bits. The
speed selection status can be checked using the r9720.9/r9720.10 parameters. Parameters
r9722.9 and r9722.10 indicate the actual speed limit, bit r9722.4 must carry a "1" signal.
Table 8- 10
F-DI for bit 1 (r9720.10)
0
0
1
1
The changeover from a lower to a higher speed limit takes effect without any delay.
The changeover from a higher to a lower limit triggers a delay time which can be set at the
corresponding parameter (p9351 and p9551).
SLS level 1 must be defined as the lowest speed limit.
SLS level 1 is activated after two unacknowledged discrepancy errors; in other words, 0 is
the failsafe value for the two F-DIs for speed level selection. The SLS levels to be switched
between must, therefore, always be parameterized in ascending order, i.e. with SLS level 1
as the lowest speed and SLS level 4 as the highest.
Responses
Speed limit exceeded:
● Configured subsequent stop STOP A / B / C / D by means of p9363/p9563
● Safety message C01714/C30714
System errors:
● STOP F
● Safety messages C01711/C30711
376
Changeover of speed limits:
CAUTION
F-DI for bit 0 (r9720.9)
0
1
0
1
Function Manual, 01/2011, 6SL3097-4AB10-0BP3
Speed limit
p9331[0]/p9531[0]
p9331[1]/p9531[1]
p9331[2]/p9531[2]
p9331[3]/p9531[3]
Function Manual