Commissioning; Reference To Chapter Safety Instructions; Dangerous Voltage When The Rotor Rotates; Setpoint Values For Monitoring The Bearing Temperature - Siemens SIMOTICS A 1FU8 Operating Instructions Manual

Commissioning

7.1

Reference to chapter Safety instructions

When carrying out any work on the machine, observe the general safety instructions
(Page 13) and the specifications contained in EN 50110-1 regarding safe operation of
electrical equipment.
7.2

Dangerous voltage when the rotor rotates

Dangerous voltage when the rotor rotates
There are dangerous voltages at the terminals while the machine rotor rotates and
immediately afterwards.
You must observe the following safety instructions to prevent death, injury or material
damage:
• Do not touch the terminals while the rotor is rotating and immediately afterwards.
• To discharge the winding, after the rotor comes to a standstill, connect the winding to
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 value
Alarm
Shutting down
1FU8
Operating Instructions, 02/2016, 5 610 70000 02 000
WARNING
ground potential.
Set values for monitoring the bearing temperatures before commissioning
7.1 Reference to chapter Safety instructions
Temperature
115 °C
120 °C
Commissioning
7
65