Commissioning
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
70
Operating Instructions, 07/2021, A5E50610821B AB
WARNING
Danger to life due to unintentional starting of the drive unit
Unintentional starting of the drive unit can cause death or severe injury.
•
Make sure that the drive unit cannot be started accidentally.
•
Post a warning notice to this effect at the point where the switch is located.
WARNING
Danger to life caused by machine movement and loose objects
Machine movement and loose objects that can fall out or be ejected can cause death or
severe injury.
•
Ensure that the machine has been completely installed and all of the setting work
completed.
•
Ensure that nobody is at risk when the machine is switched on.
•
Before switching on, check that there are no loose objects in or on the motor that can fall
or be flung off.
•
Before switching on, check that all safety guard covers are installed and all safety
equipment functions correctly.
CAUTION
Burns as a result of touching hot surfaces
In operation, the motor enclosure can reach high temperatures, which can cause burns if
touched.
•
Do not touch any hot surfaces.
•
Allow the motor to cool down before starting any work.
•
Use the appropriate personnel protective equipment, e.g. gloves.
NOTICE
Thermal damage to temperature-sensitive parts
Some parts of the frame of electric motors can reach temperatures that exceed 100° C. If
temperature-sensitive parts, e.g. electric cables or electronic components, come into
contact with hot surfaces, these parts could be damaged.
•
Ensure that no temperature-sensitive parts are in contact with hot surfaces.
NOTICE
Motor damage when the maximum speed is exceeded
The maximum speed n
max
is the highest permissible operating speed. The maximum speed
is specified on the rating plate.
Impermissible speeds can cause damage to the motor.
•
Ensure that the maximum permissible speed is not exceeded. Realize this using a suitable
control system or activate the speed monitoring function in the drive.
