Siemens SIMOTICS SD Operating Instructions Manual page 88

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 stator
– Check mechanical operation for noise or vibration at the bearings or end shields.
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, then
– If the mechanical running does not improve immediately after switching the machine
86
corresponding values of the driven machine.
winding temperatures until they have reached steady-state values.
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
Destruction of the machine
If the vibration values in operation are not maintained in accordance with ISO 10816-3,
then the machine can be mechanically destroyed.
• In operation, maintain vibration values in accordance with ISO 10816‑3.
1LE5, 1PC4 shaft heights 280 ... 355
Operating Instructions, 11/2022, A5E41454666A