Stop Variants; A.4 Stop Variants - Siemens Sinamics S120 Function Manual

A.4

Stop variants

Safe Stops are used to stop drive motion and bring it to a standstill. The type of stop
response that occurs in the event of faults can either be permanently defined in the system
or configured by the machine manufacturer.
In this way, the shutdown of the machine can be optimally adapted to the respective
situation.
In the following list, STOP B can be compared to an SS1 and STOP C to an SS2.
Image A-23
STOP A
With STOP A (corresponds to Stop Category 0 according to EN 60204-1, without electrical
isolation), the drive is switched directly to zero torque via the STO function. A drive that is
still running coasts to a standstill. A drive at standstill cannot be started again accidentally.
Application:
● E.g. for safety faults
Safety Integrated
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
Overview of the stop variants
Appendix

A.4 Stop variants

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