Note
Converter documentation
The operating instructions for the converter are not part of this documentation. Refer also to
the configuration information for the converter.
4.13.3 Insulated bearings when operating the converter
If the machine is operated from a low-voltage converter, insulated bearings are fitted at the
NDE and an insulated encoder with insulated bearings (option).
Comply with the plates on the machine relating to bearing insulation and possible bridges.
① Driving machine ④ Insulated bearings
② Motor ⑤ Insulated tachometer fitting
③ Coupling
Image 4-2 Schematic representation of a single drive
NOTICE
Bearing damage
The bearing insulation must not be bridged. Bearing currents can damage bearings.
● Also for subsequent installation work, such as the installation of an automatic lubrication
system or a non-insulated vibration sensor, make sure that the bearing insulation cannot
be bridged.
● Contact the Service Center, if necessary.
Preparations for use
4.13 Converter operation
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016 39
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