After completion of homing position shift of the origin, moves away from the origin is a positive direction, a negative direction of movement origin live
When the origin is returned, the position of the offset origin is shifted away from the origin, and the negative number is to move in the direction of the live origin
After returning to the original point, offset the position of the original point. The positive number is to move away from the original point, and the negative number is to move in the original point