Safely-Limited Position (Slp) - Siemens Sinamics S120 Function Manual

3.2.10

Safely-Limited Position (SLP)

Definition according to EN 61800-5-2:
"The SLP function prevents the motor shaft
from exceeding the specified position limit(s)."
The Safely Limited Position function (SLP) is used to safely monitor the limits of two
traversing and/or positioning ranges, which are toggled between using a safe signal.
Ex amples of how the function can be used
Example
The drive must not exit the
specified position ranges.
Features
● Selection via terminals or PROFIsafe
● 2 position ranges, each defined by a limit switch pair
● Safe switchover between the two position ranges
● Adjustable stop response
● To run the motor out of the prohibited range, you must perform a special sequence (see
Chapter "Retraction (Page 124)").
Requirements
● The function is only available with a suitable encoder.
● The drive has to be safely referenced (see Chapter "Safe referencing (Page 58)").
Details and parameterization
For further details and information on how to parameterize this function, see Section "Safely-
Limited Position (SLP) (Page 121)".
Safety Integrated
Function Manual, (FHS), 07/2016, 6SL3097-4AR00-0BP6
3.2 Safety Integrated Extended Functions
Po ssible solution
Selection of SLP in the converter; inhibiting the range that is not
•
permitted.
After the enabled range has been exited, a parameterizable stop
•
response is initiated.
Overview of Safety Integrated functions
57