Table of Contents
Advertisement
Description
3.6 Description of options
Note
The function is drive-independent. A higher-level controller is not required.
The safety function fulfills the requirements of Safety Integrity Level (SIL) 2 to IEC 61508,
Part 1-4, Category 3 acc. to EN ISO 13849-1, as well as those of the Performance Level (PL)
d according to EN ISO 13849-1. "Safe Torque Off" corresponds to stop Category 1 according
to EN 60204-1. This certification serves as the guidelines for integration of option K80 "Safe
Torque OFF". This certification can only be used if all the specified boundary conditions have
been satisfied in accordance with requirements. In addition to this, we recommend that
acceptance testing of the implemented overall function is performed by an authorized
inspectorate.
3.6.11.1
Safety information regarding the "Safe Torque Off / safe standstill" function
Safety instructions
Unexpected start up of the drive following deactivation of the "Safe Torque Off / Safe
Standstill" function
If the "Safe Torque Off / Safe Standstill" function is deactivated then the drive can start up
unexpectedly.
Death, serious injury, or material damage can result.
● Ensure that the "Safe Torque Off / Safe Standstill" function is clearly deactivated.
● Remove the "Safe Torque Off" mushroom pushbutton and press the "Safe Torque Off"
Unexpected start up following servicing and activation of the "Safe Torque Off / Safe
Standstill" function
If the function "Safe Torque Off / Safe Standstill" is not checked for proper function after
service work, then the drive can also start up unexpectedly after activating the "Safe Torque
Off" function.
Death, serious injury, or material damage can result.
● Upon conclusion of the service work on all safety function components (e.g. replacement
50
WARNING
button to make clear that the "Safe Torque Off / Safe Standstill" function is deactivated.
WARNING
of components) you must verify and document proper function by carrying out the cyclical
function test. Read the chapter on "Cyclical Function Test" in your operating instructions.
SINAMICS SM150 6SL3845-2NN41-8AD0
Operating Instructions Rev.201908010908 EXAMPLE
Advertisement
Table of Contents
