Insulated Bearings When Operated With A Converter - Siemens SIMOTICS XP 1LA5 Compact Operating Instructions

Preparing for use
Note
Converter documentation
The operating instructions for the converter are not part of this documentation. Refer
also to the configuration information for the converter.
4.7.3

Insulated bearings when operated with a 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
②
Motor
③
Coupling
Figure 4-1 Schematic representation of a single drive
NOTICE
Bearing damage
The bearing insulation must not be bridged. Damage may be caused to the
bearings if there is a flow of current.
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.
•
96
④
Insulated bearings
⑤
Insulated tachometer fitting
Explosion-protected machines
56100000002002, 01/2016