Delta ASDA-B2 Series User Manual page 68

ASDA-B2
C3-3: The source of pulse input is open-collector NPN equipment which applies the
external power of the servo drive.
C3-4: The source of pulse input is open-collector PNP equipment which applies the
external power of the servo drive.
 Caution: Do not apply to dual power or it may damage the servo drive.
Revision May, 2018
Chapter 3 Wiring
3-29