Forced Checking Procedure Of The External Stops - Siemens Sinumerik 840D sl Function Manual

Safety functions integrated in the system/drive
6.3 Safe Stops A- -F
The following actions take place at the following instants in time:
t1:
STOP F occurs, ESR starts
t2:
The set SG limit is exceeded, STOP D is initiated
t3:
After t1 + $MA_SAFE_STOP_SWITCH_TIME_F, STOP B is initiated, and the axis
starts to brake at the current limit / OFF3 ramp
t4:
STOP A is initiated after the axis comes to a standstill
6.3.9

Forced checking procedure of the external STOPs

The following applies for the test stop of external STOPs:
All stop SGEs that are used are switched one after the other in each channel and
the positive response evaluated using the associated SGA "STOP x is active".
Note
Only the enabled and activated external standstill functions have to be tested.
SGE "deselect ext. STOP E"
SGA "STOP E is active"
SGE "deselect ext. STOP D"
SGA "STOP D is active"
SGE "deselect ext. STOP C"
Figure 6-10 Sequence of the test stop for external STOPs. Example: External STOPs A, C, D, E are used
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SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition
SGA "STOP C is active"
SGE "deselect ext. STOP A"
SGA "STOP A/B is active"
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