
IMPULSE®•G+/VG+ Series 4 Digital Input Installation Manual - August 2011
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6.
Set the option for SINK mode or SOURCE mode depending on the application.
SINK Mode
•
To use the internal power supply of the drive, connect a wire jumper between terminals SP and
SC.
•
To use an external power supply, connect the positive lead from the power supply to terminal SC
on the option. Do not connect the negative lead to terminal SN on the option.
Figure 10: SINK Mode Connection Diagram
SOURCE Mode
•
To use internal power supply of the drive, short terminals SN and SC.
•
To use an external power supply, connect the negative lead from the power supply to terminal
SC on the option. Do not connect the positive lead to terminal SP.
Figure 11: SOURCE Mode Connection Diagram