Preparing for use
Explosion-protected machines
96 56100000002002, 01/2016
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.
Insulated tachometer fitting
Figure 4-1 Schematic representation of a single drive
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.
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