Control via PROFIsafe
● Implement a user program in your F-CPU with the following steps to implement a retract
function:
– Select SDI positive in the case that the lower SLP limit is violated, or SDI negative if the
upper SLP limit is violated
– Wait until the selected SDI is active, then deselect SLP
– Safe acknowledgment of the limit violation
– Movement of the drive with suitable setpoint inputs in the range that has been enabled
– Select SLP
– Wait until SLP is active, then deselect SDI
Note
FAQ retraction
A description of how retraction can be implemented via a failsafe control and PROFIsafe
communication is provided in the Internet at:
FAQ retraction (https://support.industry.siemens.com/cs/ww/en/view/65128501)
4.13.1.2 Function diagrams and parameters
Function diagrams (see SINAMICS S120/S150 List Manual)
● 2822 SI Extended Functions - SLP (Safely-Limited Position)
● 2840 SI Extended Functions - SI Motion drive-integrated control signals/status sig‐
nals
Overview of important parameters (see SINAMICS S120/S150 List Manual)
● p9501 SI Motion enable safety functions (Control Unit)
● p9534[0...1] SI Motion SLP (SE) upper limit values (Control Unit)
● p9535[0...1] SI Motion SLP (SE) lower limit values (Control Unit)
● p9544 SI Motion actual value comparison tolerance (referencing) (CU)
● p9562[0...1] SI Motion SLP (SE) stop response (Control Unit)
Safety functions integrated in the drive
4.13 SLP
Safety Integrated (with SINAMICS S120)
Commissioning Manual, 02/2020, A5E46305916B AB 165
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