Stepper, 1-Axis, Single Encoder C Series Motor Drive Interface Module—The NI-9512 provides stepper drive interface signals for a single axis, a full set of motion I/O including inputs for a home switch and limit switches, incremental encoder inputs for position feedback, and general-purpose inputs and outputs. The NI-9512 includes advanced motion features, such as position capture and position compare, as well as direct connectivity to P7000 series stepper drives. The NI-9512 processor runs the spline interpolation engine and patented NI step generation algorithm to produce smoother motion, resulting in precise stepper motion control.