Siemens SIMOTICS XP 1MB155, Operating Instructions Manual

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Start-up
7.2 Switching on
1MB155 / 1MB555
Operating Instructions, 03/2018, A5E41926185A
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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
corresponding values of the driven machine.
– If this is possible using the available measuring equipment, check the bearing and
stator winding temperatures until they have reached steady-state values.
– 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,
then the cause is magnetic or electrical.
– If the mechanical running does not improve immediately after switching the machine
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.