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Setpoint Values For Monitoring The Bearing Temperature; Set Values For Monitoring The Winding Temperature - Siemens 1LA8 Operating & Installation Instructions Manual

Low-voltage motor simotics tn series n-compact.
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See also
Regreasing intervals and types of grease for operating roller bearings (Page 109)
Stoppages (Page 98)
Transport and storage (Page 36)
7.5

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 value
Disconnecting during commissioning
Normal operation
Measure the normal operating temperature of the bearings T
the values for shutdown and warning according to the operating temperature T
Table 7-2
Set value
Warning in normal operation
Disconnection in normal operation
See also
Thermal motor protection (Page 31)
7.6

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 value
Shutdown
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017
7.5 Setpoint values for monitoring the bearing temperature
Set values for monitoring the bearing temperatures before commissioning
Set values for monitoring the bearing temperatures in normal operation
Set values for monitoring the winding temperatures during commissioning
Temperature
120 °C
at the installation site in °C. Set
op
Temperature
T
+ 5 K ≤ 115 °C
op
T
+ 10 K ≤ 120 °C
op
Temperature
145 °C
Start-up
.
op
91

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