Altivar Process ATV630 Function Manual page 27

Vertical Axis and External Forces
When the safety function STO is triggered, the power stage is immediately disabled. In the case of vertical
applications or external forces acting on the motor shaft, you may have to take additional measures to bring
the motor to a standstill and to keep it at a standstill when the safety function STO is used, for example, by
using a service brake.
INSUFFICIENT DECELERATION OR UNINTENDED EQUIPMENT OPERATION


Failure to follow these instructions can result in death, serious injury, or equipment damage.
Degree of Protection When the Safety Function Is Used
LOSS OF SAFETY FUNCTION CAUSED BY FOREIGN OBJECTS
Conductive foreign objects, dust or liquids may cause safety functions to become inoperative.

Failure to follow these instructions can result in death, serious injury, or equipment damage.
Customer Care Center
For additional support, you can contact our Customer Care Center on:
www.schneider-electric.com/CCC
EAV64334 06/2017
Verify that using the safety function STO does not result in unsafe conditions.
If standstill is required in your application, ensure that the motor comes to a secure standstill when the
safety function STO is used.
Do not use a safety function unless you have protected the system against contamination by
conductive substances.
WARNING
WARNING
.
27