User manual

Duo User Guide
MAN-DUOUG (Ver. 1.0)
3-10
3.8.3 Low power Auxiliary Supply (optional)
Notes for 12 ~ 95 VDC Auxiliary Supply connections:
The source of the 12 ~ 95 VDC Auxiliary Supply must be isolated from the Main.
the
For safety reasons, connect the return (common) of
Auxiliary Supply source to
the closest ground near the Auxiliary Supply source.
Connect the cable shield to the closest ground near the Auxiliary Supply source.
Before applying power, first verify the polarity of the connection.
Caution: Power to each Whistle and motor must come from the Main Supply
and NOT from the Auxiliary Supply.
Figure 3-5: Auxiliary Supply Connection Diagram
The back-up functionality can be used for storing control parameters in case of power-loss,
providing maximum flexibility and backup functionality when needed.