NOTICE
Demagnetization of permanent magnets
If, during operation, the maximum permissible temperature of the secondary sections exceeds
70°C, then there is a risk that the permanent magnets will be demagnetized.
• Ensure that the temperature of the secondary sections when operational does not exceed
70°C!
NOTICE
Damaged main insulation
In systems where direct drives are used on controlled infeeds, electrical oscillations can occur
with respect to ground potential. These oscillations are, among other things, inuenced by:
• The lengths of the cables
• The rating of the infeed/regenerative feedback module
• The type of infeed/regenerative feedback module (particularly when an HFD commutating
reactor is already present)
• The number of axes
• The size of the motor
• The winding design of the motor
• The type of line supply
• The place of installation
The oscillations lead to increased voltage loads and may damage the main insulation!
• To dampen the oscillations we recommend the use of the associated Active Interface
Module or an HFD reactor with damping resistor. Review the documentation of the drive
system being used for details. If you have any questions, please contact your local sales
partner.
Note
Use an Active Interface Module or the matching HFD line reactor
Please note the following when connecting the motor to a SINAMICS S120 drive system:
The corresponding Active Interface Module or the appropriate HFD line reactor must be used to
operate the Active Line Module controlled infeed unit.
Commissioning
7.1Safety instructions for commissioning
Naturally-Cooled 1FN3 Linear Motors
100 Operating Instructions, 06/2023, A5E52220465B AB
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