Siemens Sinamics S120 Function Manual page 25

● Safe Brake Control (SBC)
Safe Brake Control is used to safely control a holding brake.
● Safe Operating Stop (SOS)
Safe Operating Stop is used to protect against unintentional movement. The drive is in
closed-loop control mode and is not disconnected from the power supply.
● Safe Stop 2 (SS2)
Safe Stop 2 is used to safely brake the motor with a subsequent transition into the "Safe
Operating Stop" state (SOS). This means that a Category 2 stop in accordance with EN
60204-1 can be implemented.
● Safely Limited Speed (SLS)
Safely Limited Speed monitors that the drive does not exceed a preset speed/velocity
limit.
● Safe Speed Monitor (SSM)
Safe Speed Monitor is used for safely identifying when a speed limit is undershot in both
directions of motion, e.g. to identify zero speed. A fail-safe output signal is available for
further processing.
● Safe Direction (SDI)
Safe Direction is used to safely monitor the direction of motion.
● Safely Limited Position (SLP)
Safely Limited Position ensures that a freely definable traversing range is not left.
● Transferring safe position values (SP)
The "Transfer safe position values (SP)" function enables you to transfer a safe position
to the higher-level control via PROFIsafe.
● Safe gearbox stage switchover
The "Safe gearbox stage switchover" function facilitates reliable switching between
different gearbox stages. The switchover is only possible via PROFIsafe.
● Safe Brake Test (SBT)
The diagnostic function "Safe Brake Test" function (SBT) checks the required holding
torque of a brake (operating or holding brake).
Note regarding Power/Motor Modules in the chassis format: For the chassis format, SBC is
1)
only supported by Power/Motor Modules with article number ...3 or higher. A Safe Brake
Adapter is also needed for this design.
Note regarding Power/Motor Modules in the blocksize format: Blocksize Power Modules
2)
also require a Safe Brake Relay for this function.
Not e
P arallel use of Safety Integrated Functions
All Safety Integrated Functions can be used simultaneously.
Exception: If SOS and SLS are activated simultaneously, SOS has higher priority and
overrides the SLS reaction.
Safety Integrated
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
General information about SINAMICS Safety Integrated
2.2 Supported functions
1) 2)
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