Viking ER20 Setup Manual page 7

Page 7 of 16
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Next wire the spindle to the VFD. Again, note that the protective earth (PE) is located away from the
input terminals to the right of the control terminal group. The diagrams below show both the actual
'as photographed' VFD connection area, and also the labelled schematic view.
Use appropriate shielded 3C+E VFD rated flexible cord for this connection. The shielding should be
connected to chassis ground at the control cabinet end only.
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Version 1.0 – June 2021