Siemens SIMOTICS SD 1LE5 Operating Instructions Manual page 82

Commissioning
7.2 Switching on
4. During the test run, check and document the following:
– Check whether it is running smoothly.
– Document the voltage, current and power values. As far as possible, document the
– If this is possible using the available measuring equipment, check the bearing and
– Check the machine for noise or vibrations on the bearings or bearing shields as it runs.
5. In case of uneven running or abnormal noise, switch off the machine. As the machine runs
down, identify the cause.
– If the mechanical operation improves immediately after the machine is switched off,
– If the mechanical running does not improve immediately after switching the machine
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corresponding values of the driven machine.
stator winding temperatures until they have reached steady-state values.
then the cause is magnetic or electrical.
off, then the cause is mechanical.
- Imbalance of the electrical machine or the driven machine
- The machine set has not been adequately aligned
- The machine is being operated at the system resonance point. System = motor, base
frame, foundation, ...
NOTICE
Serious damage to the machine
If the vibration values in operation are not maintained in accordance with DIN ISO
10816-3, then the machine can be mechanically destroyed.
• During operation, observe the vibration values in accordance with
DIN ISO 10816-3.
1LE5, 1PC4 shaft height 315/355
Operating Instructions, 10/2020, A5E41454666A