Auxiliary power supply (optional) – ElmoMC Gold Line Digital Servo Drives-Gold Whistle User Manual
Page 37
Gold Whistle Installation Guide
Installation
MAN-G-WHIIG (Ver. 1.208)
37
4.7.2.2.
Auxiliary Power Supply (Optional)
Note:
The source of the Auxiliary Supply must be isolated.
Connect the VL+ and PR pins on the Gold Whistle in the manner described in Section 4.3.2.1.
Pin
Function
Pin Positions
VL+
Auxiliary Supply Input
PR
Auxiliary Supply Return
Table 11: Auxiliary Supply Pins
Caution:
Power from the Gold Whistle to the motor must come from the Main Supply
and not from the Auxiliary Supply.
The backup functionality can be used for storing control parameters in case of power-outs,
providing maximum flexibility and backup capability when needed.
Connect the VL+ and PR terminal to the Auxiliary Connector.
Notes for auxiliary supply connections:
•
The source of the Auxiliary Supply must be isolated.
•
For safety reasons, connect the return (common) of the 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.