ECM-B3M-E21315RS1+ASD-B3-1521-L can replace ECMA-E21315RS+ASD-B2-1521-B. Specifications of the ASDA-B3 servo drive. Pulse input. ECM-B3 series servo motor. axial load (N). Pulse + Direction, CCW pulse + CW pulse, A phase + B phase.
eBay