Activation
•
If the stop functions SS1/SS2 are requested, a monitoring ramp is calculated and placed
over the current speed characteristic.
Normal behaviour
While the stopping time elapses or before the tolerance window (n = 0) is reached, the para-
meterised speed ramp is not exceeded. When the stopping time has elapsed or the parame-
terised speed ramp has been exceeded, the parameterised stop function STO or SOS is activa-
ted.
Error behaviour
An error message and an error stop are triggered if:
•
the current speed exceeds the stopping time of the speed ramp parameterised.
•
the current speed exceeds the parameterised speed ramp before the tolerance window is
reached.
The power supply for generationg the rotating field is safely interrupted
. The motor cannot generate torques and movements of the drive.
Safety functions
Ramp monitoring
402
Summary of Contents for i950 Series
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