Electrical installation 71
Settings of the cooling fan transformer
The voltage transformer of the cooling fan is located at the top right-hand corner of
the drive module. Remove the front cover for adjusting the settings and replace the
cover after setting.
Installation of optional modules
The optional module (such as a fieldbus adapter, an I/O extension module and the
pulse encoder interface) is inserted in the optional module slot of the RMIO board in
the RDCU control unit and fixed with two screws
.
See the appropriate optional
module manual for the cable connections.
Cabling of I/O and fieldbus modules
Set according to the supply voltage:
380V, 400 V, 415V, 440V, 480V or 500V; or
525 V, 575 V, 600 V, 660 V or 690 V.
Note: No need to set for 230 V units.
Set to 220 V if the supply frequency is 60 Hz. Set
to 230 V if the supply frequency is 50 Hz.
Shield
Module
2
3
4
1
As short as possible
Grounding wire of the outer shield
Strain relief
with a cable tie
Alternative to a)
a)
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