Siemens SIMOTICS SD - Further Documents; Setpoint Values for Monitoring the Bearing Temperature

7.1.6 Further documents
Note
Further documents
Observe all of the other documents provided with this machine.
7.1.7 Setpoint values for monitoring the bearing temperature
Prior to commissioning
If the machine is equipped with bearing thermometers, set the temperature value for
disconnection on the monitoring equipment before the 󹪝rst machine run.
Table 7-1 Set values for monitoring the bearing temperatures before commissioning
Set value Temperature
Alarm 115°C
Shutting down 120°C
Normal operation
Determine the maximum operating temperature of the bearings T
operation
taking into account the
temperature, bearing load and in󹪞uences of the plant on the motor in °C. Set the values for
shutdown and warning corresponding to the operating temperature T
op
.
Table 7-2 Set values for monitoring the bearing temperatures
Set value Temperature
Alarm T
operation
+ 5K ≤115 °C
Shutting down T
operation
+ 10K ≤120 °C
Commissioning
7.1Measures before commissioning
1LE5, 1PC4 shaft heights 280 ... 355
Operating Instructions, 11/2022, A5E41454666A 83