What does the DIR in the step motor drive mean
These are the control signal inputs, each pair of positive and negative terminals have the light root, and the conductance is valid; B: there are four lines in the two phases of the motor. AC is the AC power input side.
The upstairs answer is absolutely right! DIR is abbreviated in English, meaning direction; CP is an abbreviation for forward pulse. FREE is the motor FREE release signal
In the direction signal, the first one is a pulse signal, and the other one is an offline signal
