Siemens SIMOTICS XP 1MB5 SH400, Руководство по эксплуатации, Страница: 94 / 166

See also
Testing the insulation resistance and polarization index (Page 45)
7.3 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 first 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 influences 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
7.4 Set values for monitoring the winding temperature
Prior to commissioning
Before running the machine for the first time, set the temperature value for shutdown on the
monitoring device.
Table 7-3 Set values for monitoring the winding temperatures during commissioning
Set value Temperature
Shutdown 145 °C
Commissioning
7.4 Set values for monitoring the winding temperature
1MB5 SH 400/450
92
Operating Instructions, 05/2019, A5E45959221A