Setpoint Values For Monitoring The Bearing Temperature; Further Documents; Switching On - Siemens SIMOTICS XP Operating Instructions Manual

7.1.4

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
Alarm
Shutting down
Normal operation
Determine the maximum operating temperature of the bearings T
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
Table 7- 2
Set value
Alarm
Shutting down
7.1.5

Further documents

Note
Further documents
Observe all of the other documents provided with this machine.
7.2

Switching on

Measures for start-up
After installation or inspections, the following measures are recommended for normal start-
up of the machines:
• Start the machine without a load. To do this, close the circuit breaker and do not switch
the machine off prematurely. Switching the machine off again while it is starting up and
still running at slow speed should be kept to a bare minimum, for example for checking
1MB..5/6 shaft height 71 ... 355
Operating Instructions, 10/2021, A5E41926185A
Set values for monitoring the bearing temperatures before commissioning
Set values for monitoring the bearing temperatures
7.2 Switching on
Temperature
115 °C
120 °C
taking into account
operation
.
op
Temperature
T + 5 K ≤ 115 °C
operation
T + 10 K ≤ 120 °C
operation
Start-up
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