Sequenced Control Interface for Stepper Motors (Dda Type)

摘要

The Sequenced Control Interface is a digital electronic device; it is a complete hardware interface between a digital computer and a stepper motor. Upon a single command from the computer it will generate a sequence of three modes: (1) accelerate the stepper motor to some specified rate; (2) hold the rate constant until the number of steps remaining is just adequate for deceleration; (3) decelerate the motor at the same rate as mode no. 1 to stop the motor precisely at the completion of a specified number of steps. (Author)