6.9.8.1 Safe operation sequence
If a controlled braking before the use of STO is necessary, the drive must be braked and
the input STO-ENABLE has to be separated from +24 VDC time-delayed.
1. Brake the drive in a controlled manner (speed setpoint = 0V)
2. When speed = 0 rpm, disable the servo amplifier (enable = 0V)
3. If there is a suspended load, block the drive mechanically
4. Activate STO (STO-Enable = 0V)
The diagram shows how to use STO function to ensure a safe stop of the drive and error
free operation of the servo amplifier.
S300 Instructions Manual 41
Kollmorgen 02/2017 Technical description
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