NOTICE
Risk of corrosion due to condensate
Humid air can condense inside the machine during operation as a result of intermittent duty
or load fluctuations. Condensate can collect inside the motor. Damage such as rust can result.
● Make sure that any condensation can drain away freely.
NOTICE
Operating the motor at the natural installation frequency
Operating the motor at the natural installation frequency can lead to damage to both the motor
and the foundation.
Do not operate the motor at the natural installation frequency.
DANGER
Overspeed
When the exciter circuit is deactivated, the machine can enter operating conditions that
destroy the machine. Death, serious injury, or material damage will result.
● Interlock the control in such a way that the armature circuit can be connected only when
the exciter circuit is energized.
● If the exciter circuit fails, switch off the armature circuit immediately.
8.1 Switching on the machine
Procedure
1. Run the machine without a load and check that it is running smoothly.
2. If it runs perfectly, connect a load.
3. If it is possible using the available measuring equipment, check the bearing and stator
winding temperatures.
Vibration magnitudes
The vibration response of the system depends on the power output elements, orientation, and
manner of installation, as well as on the influence of external vibrations. The vibration response
of the system at the location where it is installed can result in greater vibration magnitudes on
the motor.
Operation
8.1 Switching on the machine
SIMOTICS DC 1GG5
70 Operating Instructions 02/2016
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