NORD Drivesystems BU0750 - Manual (Page 29)

3.2 Overview of Technology Units
BU 0750 GB-3311 Subject to technical amendments 29
3.2.1 Installing the Technology Unit
Installation of the technology units must be carried out as
follows:
1. Switch off the mains voltage, observe the waiting
period.
2. Remove the blank cover by removing the 6 screws
and the PE cable.
3. Connect the technology unit to the PE cable and
push it in using slight pressure. Take care that the
connector strip makes proper contact.
4. Tighten the 6 fastening screws.
WARNING
Modules must not be inserted or removed unless the device is free of voltage. The slots must only
be used for the intended modules.
Installation of a technology unit separate from the frequency inverter is not possible. It must be connected
directly to the frequency inverter.
NOTE
ATTENTION
Operation is not permitted if there is no secure
PE connection to the frequency inverter and to
the technology unit (see adjacent illustration)!