Setpoint Values For Monitoring The Bearing Temperature; Set Values For Monitoring The Winding Temperature; Table 7-1 Set Values For Monitoring The Bearing Temperatures Before Commissioning; Table 7-2 Set Values For Monitoring The Bearing Temperatures In Normal Operation - Siemens 1LA8 Operating Instructions Manual

Start-up

7.5 Set values for monitoring the winding temperature

7.4

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 27)
7.5 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
84
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
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016
.
op