ElmoMC SimplIQ Digital Servo Drives-Whistle DC Installation Guide - Manual (Page 24)

DC Whistle Installation Guide Installation
MAN-DCWHIIG (Ver. 1.101)
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24
3.8.3. Low-Power Auxiliary Supply (optional)
Notes for 11 to 95 VDC Auxiliary Supply connections:
1. The source of the 11 to 95 VDC Auxiliary Supply must be isolated from the Main.
2. For safety reasons, connect the return (common) of the Auxiliary Supply source to the
closest ground near the Auxiliary Supply source.
3. Connect the cable shield to the closest ground near the Auxiliary Supply source.
4. 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 6: Auxiliary Supply Connection Diagram
The backup functionality can be used for storing control parameters in case of power-loss,
providing maximum flexibility and backup functionality when needed.