Insulated Bearings When Operating The Converter; Image 4-2 Schematic Representation Of A Single Drive - Siemens 1LA8 Operating Instructions Manual

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
②
③
Image 4-2
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
● Contact the Service Center, if necessary.
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016
Driving machine
Motor
Coupling
Schematic representation of a single drive
system or a non-insulated vibration sensor, make sure that the bearing insulation cannot
be bridged.
4.13 Converter operation
④
Insulated bearings
⑤
Insulated tachometer fitting
Preparations for use
39