The DMM servos are nice, I've installed a few of them. DMM | AC SERVO DRIVE | AC SERVO MOTOR | ROTARY ENCODER
Also the ClearPath servos work well, I put a set on a customer machine and just ordered 4 more for the next upgrade on his other machine. https://www.teknic.com/products/clea...-servo-motors/
Either brand will take a step & direction input and close the loop at the drive.