Siemens 1LA8, Руководство по эксплуатации

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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 values for monitoring the bearing temperatures before commissioning
Set value Temperature
Disconnecting during commissioning 120 °C
Normal operation
Measure the normal operating temperature T
op
at the installation site in °C. Set the values for
disconnection and warning according to operating temperature T
op
.
Table 7-2 Set values for monitoring the bearing temperatures in normal operation
Set value Temperature
Warning in normal operation T
op
+ 5 K
Disconnection in normal operation T
op
+ 10 K
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 values for monitoring the winding temperatures during commissioning
Set value Temperature
Shutdown 145 °C
Normal operation
Measure the normal operating temperature T
operation
at the installation site in °C. Set the values
for shutdown and warning according to the operating temperature T
operation
.
Table 7-4 Set values for monitoring the winding temperatures in normal operation
Set value Insulation class 155(F)
Warning T
op
+ 10 K ≤ 145 °C
Shutdown T
op
+ 15 K ≤ 155 °C
Start-up
7.5 Set values for monitoring the winding temperature
SIMOTICS TN Series N-compact 1LA8
86
Operating Instructions 05/2014