Commissioning
4.10 Safety Integrated commissioning
Commissioning with Startdrive
220 Commissioning Manual, 11/2017, 6SL3097-4AA10-0BP1
Taking into account the slip of an induction motor
For Safety Integrated without encoder (depending on the drive load), as a result of slip
(deviations between electrical and mechanical speed), deviations can occur between the
safely determined electrical speed and the mechanical speed at the motor shaft.
Note
Sudden changes in the current and voltage curve (e.g. sudden change in the setpoint setting
and load) and very small absolute values with a high proportion of noise generally result in
faults of the safe encoderless actual value
acquisition and must be avoided.
Note
Safety Integrated Functions "without encoder" for group drives
The Safety Integrated Functions "without encoder" are also permissible for group drives
(several motors connected to one power unit).
"Parking" state for Safety Integrated Extended Functions with encoder
Note
Extended functions with encoder and "parking"
When a drive object, for which Safety Integrated Extended Functions with encoder are
enabled, is switched to "Park" mode, the Safety Integrated
software responds by selecting
STO without generating a separate message. This internal STO selection is displayed in
parameter r9772.19.
Activating the safety commissioning
The following steps are required before parameterizing the safety functions:
● Activating the safety commissioning (Page 222)
● Performing the safety function selection (Page 223)
More detailed information
More detailed theoretical information on the Safety Integrated Functions can be found:
● In the SINAMICS S120 Safety Integrated Function Manual, Section "Overview of Safety
Integrated Functions".
● In the Startdrive online help.
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